Mercurial > hg > truffle
annotate src/share/vm/utilities/ostream.cpp @ 20314:46bbe04d1cad
8039498: Add iterators to GrowableArray
Summary: To simplify the management of multiple code heaps in the code cache (see JDK-8015774), STL-style iterator capability is added to the GrowableArray. Further, custom iterators allow to only iterate over elements that satisfy a given predicate.
Reviewed-by: kvn, twisti
Contributed-by: Tobias Hartmann <tobias.hartmann@oracle.com>
| author | anoll |
|---|---|
| date | Fri, 11 Apr 2014 13:52:51 +0200 |
| parents | 0982ec23da03 |
| children | 6e0cb14ce59b |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "compiler/compileLog.hpp" | |
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27 #include "gc_implementation/shared/gcId.hpp" |
| 1972 | 28 #include "oops/oop.inline.hpp" |
| 29 #include "runtime/arguments.hpp" | |
| 30 #include "utilities/defaultStream.hpp" | |
| 31 #include "utilities/ostream.hpp" | |
| 32 #include "utilities/top.hpp" | |
| 33 #include "utilities/xmlstream.hpp" | |
| 34 #ifdef TARGET_OS_FAMILY_linux | |
| 35 # include "os_linux.inline.hpp" | |
| 36 #endif | |
| 37 #ifdef TARGET_OS_FAMILY_solaris | |
| 38 # include "os_solaris.inline.hpp" | |
| 39 #endif | |
| 40 #ifdef TARGET_OS_FAMILY_windows | |
| 41 # include "os_windows.inline.hpp" | |
| 42 #endif | |
| 14411 | 43 #ifdef TARGET_OS_FAMILY_aix |
| 44 # include "os_aix.inline.hpp" | |
| 45 #endif | |
| 3960 | 46 #ifdef TARGET_OS_FAMILY_bsd |
| 47 # include "os_bsd.inline.hpp" | |
| 48 #endif | |
| 0 | 49 |
| 50 extern "C" void jio_print(const char* s); // Declarationtion of jvm method | |
| 51 | |
| 52 outputStream::outputStream(int width) { | |
| 53 _width = width; | |
| 54 _position = 0; | |
| 55 _newlines = 0; | |
| 56 _precount = 0; | |
| 57 _indentation = 0; | |
| 58 } | |
| 59 | |
| 60 outputStream::outputStream(int width, bool has_time_stamps) { | |
| 61 _width = width; | |
| 62 _position = 0; | |
| 63 _newlines = 0; | |
| 64 _precount = 0; | |
| 65 _indentation = 0; | |
| 66 if (has_time_stamps) _stamp.update(); | |
| 67 } | |
| 68 | |
| 69 void outputStream::update_position(const char* s, size_t len) { | |
| 70 for (size_t i = 0; i < len; i++) { | |
| 71 char ch = s[i]; | |
| 72 if (ch == '\n') { | |
| 73 _newlines += 1; | |
| 74 _precount += _position + 1; | |
| 75 _position = 0; | |
| 76 } else if (ch == '\t') { | |
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77 int tw = 8 - (_position & 7); |
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78 _position += tw; |
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79 _precount -= tw-1; // invariant: _precount + _position == total count |
| 0 | 80 } else { |
| 81 _position += 1; | |
| 82 } | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 // Execute a vsprintf, using the given buffer if necessary. | |
| 87 // Return a pointer to the formatted string. | |
| 88 const char* outputStream::do_vsnprintf(char* buffer, size_t buflen, | |
| 89 const char* format, va_list ap, | |
| 90 bool add_cr, | |
| 91 size_t& result_len) { | |
| 92 const char* result; | |
| 93 if (add_cr) buflen--; | |
| 94 if (!strchr(format, '%')) { | |
| 95 // constant format string | |
| 96 result = format; | |
| 97 result_len = strlen(result); | |
| 98 if (add_cr && result_len >= buflen) result_len = buflen-1; // truncate | |
| 99 } else if (format[0] == '%' && format[1] == 's' && format[2] == '\0') { | |
| 100 // trivial copy-through format string | |
| 101 result = va_arg(ap, const char*); | |
| 102 result_len = strlen(result); | |
| 103 if (add_cr && result_len >= buflen) result_len = buflen-1; // truncate | |
| 104 } else if (vsnprintf(buffer, buflen, format, ap) >= 0) { | |
| 105 result = buffer; | |
| 106 result_len = strlen(result); | |
| 107 } else { | |
| 108 DEBUG_ONLY(warning("increase O_BUFLEN in ostream.hpp -- output truncated");) | |
| 109 result = buffer; | |
| 110 result_len = buflen - 1; | |
| 111 buffer[result_len] = 0; | |
| 112 } | |
| 113 if (add_cr) { | |
| 114 if (result != buffer) { | |
| 115 strncpy(buffer, result, buflen); | |
| 116 result = buffer; | |
| 117 } | |
| 118 buffer[result_len++] = '\n'; | |
| 119 buffer[result_len] = 0; | |
| 120 } | |
| 121 return result; | |
| 122 } | |
| 123 | |
| 124 void outputStream::print(const char* format, ...) { | |
| 125 char buffer[O_BUFLEN]; | |
| 126 va_list ap; | |
| 127 va_start(ap, format); | |
| 128 size_t len; | |
| 129 const char* str = do_vsnprintf(buffer, O_BUFLEN, format, ap, false, len); | |
| 130 write(str, len); | |
| 131 va_end(ap); | |
| 132 } | |
| 133 | |
| 134 void outputStream::print_cr(const char* format, ...) { | |
| 135 char buffer[O_BUFLEN]; | |
| 136 va_list ap; | |
| 137 va_start(ap, format); | |
| 138 size_t len; | |
| 139 const char* str = do_vsnprintf(buffer, O_BUFLEN, format, ap, true, len); | |
| 140 write(str, len); | |
| 141 va_end(ap); | |
| 142 } | |
| 143 | |
| 144 void outputStream::vprint(const char *format, va_list argptr) { | |
| 145 char buffer[O_BUFLEN]; | |
| 146 size_t len; | |
| 147 const char* str = do_vsnprintf(buffer, O_BUFLEN, format, argptr, false, len); | |
| 148 write(str, len); | |
| 149 } | |
| 150 | |
| 151 void outputStream::vprint_cr(const char* format, va_list argptr) { | |
| 152 char buffer[O_BUFLEN]; | |
| 153 size_t len; | |
| 154 const char* str = do_vsnprintf(buffer, O_BUFLEN, format, argptr, true, len); | |
| 155 write(str, len); | |
| 156 } | |
| 157 | |
| 158 void outputStream::fill_to(int col) { | |
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159 int need_fill = col - position(); |
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160 sp(need_fill); |
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161 } |
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162 |
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163 void outputStream::move_to(int col, int slop, int min_space) { |
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164 if (position() >= col + slop) |
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165 cr(); |
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166 int need_fill = col - position(); |
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167 if (need_fill < min_space) |
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168 need_fill = min_space; |
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169 sp(need_fill); |
| 0 | 170 } |
| 171 | |
| 172 void outputStream::put(char ch) { | |
| 173 assert(ch != 0, "please fix call site"); | |
| 174 char buf[] = { ch, '\0' }; | |
| 175 write(buf, 1); | |
| 176 } | |
| 177 | |
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178 #define SP_USE_TABS false |
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179 |
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180 void outputStream::sp(int count) { |
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181 if (count < 0) return; |
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182 if (SP_USE_TABS && count >= 8) { |
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183 int target = position() + count; |
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184 while (count >= 8) { |
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185 this->write("\t", 1); |
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186 count -= 8; |
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187 } |
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188 count = target - position(); |
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189 } |
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190 while (count > 0) { |
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191 int nw = (count > 8) ? 8 : count; |
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192 this->write(" ", nw); |
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193 count -= nw; |
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194 } |
| 0 | 195 } |
| 196 | |
| 197 void outputStream::cr() { | |
| 198 this->write("\n", 1); | |
| 199 } | |
| 200 | |
| 201 void outputStream::stamp() { | |
| 202 if (! _stamp.is_updated()) { | |
| 203 _stamp.update(); // start at 0 on first call to stamp() | |
| 204 } | |
| 205 | |
| 206 // outputStream::stamp() may get called by ostream_abort(), use snprintf | |
| 207 // to avoid allocating large stack buffer in print(). | |
| 208 char buf[40]; | |
| 209 jio_snprintf(buf, sizeof(buf), "%.3f", _stamp.seconds()); | |
| 210 print_raw(buf); | |
| 211 } | |
| 212 | |
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213 void outputStream::stamp(bool guard, |
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214 const char* prefix, |
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215 const char* suffix) { |
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216 if (!guard) { |
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217 return; |
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218 } |
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219 print_raw(prefix); |
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220 stamp(); |
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221 print_raw(suffix); |
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222 } |
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223 |
| 0 | 224 void outputStream::date_stamp(bool guard, |
| 225 const char* prefix, | |
| 226 const char* suffix) { | |
| 227 if (!guard) { | |
| 228 return; | |
| 229 } | |
| 230 print_raw(prefix); | |
| 231 static const char error_time[] = "yyyy-mm-ddThh:mm:ss.mmm+zzzz"; | |
| 232 static const int buffer_length = 32; | |
| 233 char buffer[buffer_length]; | |
| 234 const char* iso8601_result = os::iso8601_time(buffer, buffer_length); | |
| 235 if (iso8601_result != NULL) { | |
| 236 print_raw(buffer); | |
| 237 } else { | |
| 238 print_raw(error_time); | |
| 239 } | |
| 240 print_raw(suffix); | |
| 241 return; | |
| 242 } | |
| 243 | |
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244 void outputStream::gclog_stamp(const GCId& gc_id) { |
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245 date_stamp(PrintGCDateStamps); |
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246 stamp(PrintGCTimeStamps); |
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247 if (PrintGCID) { |
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248 print("#%u: ", gc_id.id()); |
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249 } |
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250 } |
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251 |
| 6605 | 252 outputStream& outputStream::indent() { |
| 0 | 253 while (_position < _indentation) sp(); |
| 6605 | 254 return *this; |
| 0 | 255 } |
| 256 | |
| 257 void outputStream::print_jlong(jlong value) { | |
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258 print(JLONG_FORMAT, value); |
| 0 | 259 } |
| 260 | |
| 261 void outputStream::print_julong(julong value) { | |
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262 print(JULONG_FORMAT, value); |
| 0 | 263 } |
| 264 | |
| 6605 | 265 /** |
| 266 * This prints out hex data in a 'windbg' or 'xxd' form, where each line is: | |
| 267 * <hex-address>: 8 * <hex-halfword> <ascii translation (optional)> | |
| 268 * example: | |
| 269 * 0000000: 7f44 4f46 0102 0102 0000 0000 0000 0000 .DOF............ | |
| 270 * 0000010: 0000 0000 0000 0040 0000 0020 0000 0005 .......@... .... | |
| 271 * 0000020: 0000 0000 0000 0040 0000 0000 0000 015d .......@.......] | |
| 272 * ... | |
| 273 * | |
| 274 * indent is applied to each line. Ends with a CR. | |
| 275 */ | |
| 276 void outputStream::print_data(void* data, size_t len, bool with_ascii) { | |
| 277 size_t limit = (len + 16) / 16 * 16; | |
| 278 for (size_t i = 0; i < limit; ++i) { | |
| 279 if (i % 16 == 0) { | |
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280 indent().print(SIZE_FORMAT_HEX_W(07)":", i); |
| 6605 | 281 } |
| 282 if (i % 2 == 0) { | |
| 283 print(" "); | |
| 284 } | |
| 285 if (i < len) { | |
| 286 print("%02x", ((unsigned char*)data)[i]); | |
| 287 } else { | |
| 288 print(" "); | |
| 289 } | |
| 290 if ((i + 1) % 16 == 0) { | |
| 291 if (with_ascii) { | |
| 292 print(" "); | |
| 293 for (size_t j = 0; j < 16; ++j) { | |
| 294 size_t idx = i + j - 15; | |
| 295 if (idx < len) { | |
| 296 char c = ((char*)data)[idx]; | |
| 297 print("%c", c >= 32 && c <= 126 ? c : '.'); | |
| 298 } | |
| 299 } | |
| 300 } | |
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301 cr(); |
| 6605 | 302 } |
| 303 } | |
| 304 } | |
| 305 | |
| 0 | 306 stringStream::stringStream(size_t initial_size) : outputStream() { |
| 307 buffer_length = initial_size; | |
| 308 buffer = NEW_RESOURCE_ARRAY(char, buffer_length); | |
| 309 buffer_pos = 0; | |
| 310 buffer_fixed = false; | |
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311 DEBUG_ONLY(rm = Thread::current()->current_resource_mark();) |
| 0 | 312 } |
| 313 | |
| 314 // useful for output to fixed chunks of memory, such as performance counters | |
| 315 stringStream::stringStream(char* fixed_buffer, size_t fixed_buffer_size) : outputStream() { | |
| 316 buffer_length = fixed_buffer_size; | |
| 317 buffer = fixed_buffer; | |
| 318 buffer_pos = 0; | |
| 319 buffer_fixed = true; | |
| 320 } | |
| 321 | |
| 322 void stringStream::write(const char* s, size_t len) { | |
| 323 size_t write_len = len; // number of non-null bytes to write | |
| 324 size_t end = buffer_pos + len + 1; // position after write and final '\0' | |
| 325 if (end > buffer_length) { | |
| 326 if (buffer_fixed) { | |
| 327 // if buffer cannot resize, silently truncate | |
| 328 end = buffer_length; | |
| 329 write_len = end - buffer_pos - 1; // leave room for the final '\0' | |
| 330 } else { | |
| 331 // For small overruns, double the buffer. For larger ones, | |
| 332 // increase to the requested size. | |
| 333 if (end < buffer_length * 2) { | |
| 334 end = buffer_length * 2; | |
| 335 } | |
| 336 char* oldbuf = buffer; | |
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337 assert(rm == NULL || Thread::current()->current_resource_mark() == rm, |
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338 "stringStream is re-allocated with a different ResourceMark"); |
| 0 | 339 buffer = NEW_RESOURCE_ARRAY(char, end); |
| 340 strncpy(buffer, oldbuf, buffer_pos); | |
| 341 buffer_length = end; | |
| 342 } | |
| 343 } | |
| 344 // invariant: buffer is always null-terminated | |
| 345 guarantee(buffer_pos + write_len + 1 <= buffer_length, "stringStream oob"); | |
| 346 buffer[buffer_pos + write_len] = 0; | |
| 347 strncpy(buffer + buffer_pos, s, write_len); | |
| 348 buffer_pos += write_len; | |
| 349 | |
| 350 // Note that the following does not depend on write_len. | |
| 351 // This means that position and count get updated | |
| 352 // even when overflow occurs. | |
| 353 update_position(s, len); | |
| 354 } | |
| 355 | |
| 356 char* stringStream::as_string() { | |
| 12215 | 357 char* copy = NEW_RESOURCE_ARRAY(char, buffer_pos + 1); |
| 0 | 358 strncpy(copy, buffer, buffer_pos); |
| 359 copy[buffer_pos] = 0; // terminating null | |
| 360 return copy; | |
| 361 } | |
| 362 | |
| 363 stringStream::~stringStream() {} | |
| 364 | |
| 365 xmlStream* xtty; | |
| 366 outputStream* tty; | |
| 367 outputStream* gclog_or_tty; | |
| 368 extern Mutex* tty_lock; | |
| 369 | |
| 12215 | 370 #define EXTRACHARLEN 32 |
| 371 #define CURRENTAPPX ".current" | |
| 372 #define FILENAMEBUFLEN 1024 | |
| 373 // convert YYYY-MM-DD HH:MM:SS to YYYY-MM-DD_HH-MM-SS | |
| 374 char* get_datetime_string(char *buf, size_t len) { | |
| 375 os::local_time_string(buf, len); | |
| 376 int i = (int)strlen(buf); | |
| 377 while (i-- >= 0) { | |
| 378 if (buf[i] == ' ') buf[i] = '_'; | |
| 379 else if (buf[i] == ':') buf[i] = '-'; | |
| 380 } | |
| 381 return buf; | |
| 382 } | |
| 383 | |
| 384 static const char* make_log_name_internal(const char* log_name, const char* force_directory, | |
| 385 int pid, const char* tms) { | |
| 386 const char* basename = log_name; | |
| 387 char file_sep = os::file_separator()[0]; | |
| 388 const char* cp; | |
| 389 char pid_text[32]; | |
| 390 | |
| 391 for (cp = log_name; *cp != '\0'; cp++) { | |
| 392 if (*cp == '/' || *cp == file_sep) { | |
| 393 basename = cp + 1; | |
| 394 } | |
| 395 } | |
| 396 const char* nametail = log_name; | |
| 397 // Compute buffer length | |
| 398 size_t buffer_length; | |
| 399 if (force_directory != NULL) { | |
| 400 buffer_length = strlen(force_directory) + strlen(os::file_separator()) + | |
| 401 strlen(basename) + 1; | |
| 402 } else { | |
| 403 buffer_length = strlen(log_name) + 1; | |
| 404 } | |
| 405 | |
| 406 // const char* star = strchr(basename, '*'); | |
| 407 const char* pts = strstr(basename, "%p"); | |
| 408 int pid_pos = (pts == NULL) ? -1 : (pts - nametail); | |
| 409 | |
| 410 if (pid_pos >= 0) { | |
| 411 jio_snprintf(pid_text, sizeof(pid_text), "pid%u", pid); | |
| 412 buffer_length += strlen(pid_text); | |
| 413 } | |
| 414 | |
| 415 pts = strstr(basename, "%t"); | |
| 416 int tms_pos = (pts == NULL) ? -1 : (pts - nametail); | |
| 417 if (tms_pos >= 0) { | |
| 418 buffer_length += strlen(tms); | |
| 419 } | |
| 420 | |
| 421 // Create big enough buffer. | |
| 422 char *buf = NEW_C_HEAP_ARRAY(char, buffer_length, mtInternal); | |
| 423 | |
| 424 strcpy(buf, ""); | |
| 425 if (force_directory != NULL) { | |
| 426 strcat(buf, force_directory); | |
| 427 strcat(buf, os::file_separator()); | |
| 428 nametail = basename; // completely skip directory prefix | |
| 429 } | |
| 430 | |
| 431 // who is first, %p or %t? | |
| 432 int first = -1, second = -1; | |
| 433 const char *p1st = NULL; | |
| 434 const char *p2nd = NULL; | |
| 435 | |
| 436 if (pid_pos >= 0 && tms_pos >= 0) { | |
| 437 // contains both %p and %t | |
| 438 if (pid_pos < tms_pos) { | |
| 439 // case foo%pbar%tmonkey.log | |
| 440 first = pid_pos; | |
| 441 p1st = pid_text; | |
| 442 second = tms_pos; | |
| 443 p2nd = tms; | |
| 444 } else { | |
| 445 // case foo%tbar%pmonkey.log | |
| 446 first = tms_pos; | |
| 447 p1st = tms; | |
| 448 second = pid_pos; | |
| 449 p2nd = pid_text; | |
| 450 } | |
| 451 } else if (pid_pos >= 0) { | |
| 452 // contains %p only | |
| 453 first = pid_pos; | |
| 454 p1st = pid_text; | |
| 455 } else if (tms_pos >= 0) { | |
| 456 // contains %t only | |
| 457 first = tms_pos; | |
| 458 p1st = tms; | |
| 459 } | |
| 460 | |
| 461 int buf_pos = (int)strlen(buf); | |
| 462 const char* tail = nametail; | |
| 463 | |
| 464 if (first >= 0) { | |
| 465 tail = nametail + first + 2; | |
| 466 strncpy(&buf[buf_pos], nametail, first); | |
| 467 strcpy(&buf[buf_pos + first], p1st); | |
| 468 buf_pos = (int)strlen(buf); | |
| 469 if (second >= 0) { | |
| 470 strncpy(&buf[buf_pos], tail, second - first - 2); | |
| 471 strcpy(&buf[buf_pos + second - first - 2], p2nd); | |
| 472 tail = nametail + second + 2; | |
| 473 } | |
| 474 } | |
| 475 strcat(buf, tail); // append rest of name, or all of name | |
| 476 return buf; | |
| 477 } | |
| 478 | |
| 479 // log_name comes from -XX:LogFile=log_name or -Xloggc:log_name | |
|
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480 // in log_name, %p => pid1234 and |
| 12215 | 481 // %t => YYYY-MM-DD_HH-MM-SS |
| 482 static const char* make_log_name(const char* log_name, const char* force_directory) { | |
| 483 char timestr[32]; | |
| 484 get_datetime_string(timestr, sizeof(timestr)); | |
| 485 return make_log_name_internal(log_name, force_directory, os::current_process_id(), | |
| 486 timestr); | |
| 487 } | |
| 488 | |
| 489 #ifndef PRODUCT | |
| 490 void test_loggc_filename() { | |
| 491 int pid; | |
| 492 char tms[32]; | |
| 493 char i_result[FILENAMEBUFLEN]; | |
| 494 const char* o_result; | |
| 495 get_datetime_string(tms, sizeof(tms)); | |
| 496 pid = os::current_process_id(); | |
| 497 | |
| 498 // test.log | |
| 499 jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "test.log", tms); | |
| 500 o_result = make_log_name_internal("test.log", NULL, pid, tms); | |
| 501 assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"test.log\", NULL)"); | |
| 502 FREE_C_HEAP_ARRAY(char, o_result, mtInternal); | |
| 503 | |
| 504 // test-%t-%p.log | |
| 505 jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "test-%s-pid%u.log", tms, pid); | |
| 506 o_result = make_log_name_internal("test-%t-%p.log", NULL, pid, tms); | |
| 507 assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"test-%%t-%%p.log\", NULL)"); | |
| 508 FREE_C_HEAP_ARRAY(char, o_result, mtInternal); | |
| 509 | |
| 510 // test-%t%p.log | |
| 511 jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "test-%spid%u.log", tms, pid); | |
| 512 o_result = make_log_name_internal("test-%t%p.log", NULL, pid, tms); | |
| 513 assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"test-%%t%%p.log\", NULL)"); | |
| 514 FREE_C_HEAP_ARRAY(char, o_result, mtInternal); | |
| 515 | |
| 516 // %p%t.log | |
| 517 jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "pid%u%s.log", pid, tms); | |
| 518 o_result = make_log_name_internal("%p%t.log", NULL, pid, tms); | |
| 519 assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"%%p%%t.log\", NULL)"); | |
| 520 FREE_C_HEAP_ARRAY(char, o_result, mtInternal); | |
| 521 | |
| 522 // %p-test.log | |
| 523 jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "pid%u-test.log", pid); | |
| 524 o_result = make_log_name_internal("%p-test.log", NULL, pid, tms); | |
| 525 assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"%%p-test.log\", NULL)"); | |
| 526 FREE_C_HEAP_ARRAY(char, o_result, mtInternal); | |
| 527 | |
| 528 // %t.log | |
| 529 jio_snprintf(i_result, sizeof(char)*FILENAMEBUFLEN, "%s.log", tms); | |
| 530 o_result = make_log_name_internal("%t.log", NULL, pid, tms); | |
| 531 assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"%%t.log\", NULL)"); | |
| 532 FREE_C_HEAP_ARRAY(char, o_result, mtInternal); | |
| 533 } | |
| 534 #endif // PRODUCT | |
| 535 | |
| 0 | 536 fileStream::fileStream(const char* file_name) { |
| 537 _file = fopen(file_name, "w"); | |
| 12215 | 538 if (_file != NULL) { |
| 539 _need_close = true; | |
| 540 } else { | |
| 541 warning("Cannot open file %s due to %s\n", file_name, strerror(errno)); | |
| 542 _need_close = false; | |
| 543 } | |
| 0 | 544 } |
| 545 | |
|
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546 fileStream::fileStream(const char* file_name, const char* opentype) { |
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547 _file = fopen(file_name, opentype); |
| 12215 | 548 if (_file != NULL) { |
| 549 _need_close = true; | |
| 550 } else { | |
| 551 warning("Cannot open file %s due to %s\n", file_name, strerror(errno)); | |
| 552 _need_close = false; | |
| 553 } | |
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554 } |
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555 |
| 0 | 556 void fileStream::write(const char* s, size_t len) { |
|
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557 if (_file != NULL) { |
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558 // Make an unused local variable to avoid warning from gcc 4.x compiler. |
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559 size_t count = fwrite(s, 1, len, _file); |
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560 } |
| 0 | 561 update_position(s, len); |
| 562 } | |
| 563 | |
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564 long fileStream::fileSize() { |
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565 long size = -1; |
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566 if (_file != NULL) { |
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567 long pos = ::ftell(_file); |
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568 if (::fseek(_file, 0, SEEK_END) == 0) { |
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569 size = ::ftell(_file); |
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570 } |
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571 ::fseek(_file, pos, SEEK_SET); |
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572 } |
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573 return size; |
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574 } |
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575 |
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576 char* fileStream::readln(char *data, int count ) { |
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577 char * ret = ::fgets(data, count, _file); |
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578 //Get rid of annoying \n char |
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579 data[::strlen(data)-1] = '\0'; |
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580 return ret; |
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581 } |
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582 |
| 0 | 583 fileStream::~fileStream() { |
| 584 if (_file != NULL) { | |
| 585 if (_need_close) fclose(_file); | |
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586 _file = NULL; |
| 0 | 587 } |
| 588 } | |
| 589 | |
| 590 void fileStream::flush() { | |
| 591 fflush(_file); | |
| 592 } | |
| 593 | |
| 594 fdStream::fdStream(const char* file_name) { | |
| 595 _fd = open(file_name, O_WRONLY | O_CREAT | O_TRUNC, 0666); | |
| 596 _need_close = true; | |
| 597 } | |
| 598 | |
| 599 fdStream::~fdStream() { | |
| 600 if (_fd != -1) { | |
| 601 if (_need_close) close(_fd); | |
| 602 _fd = -1; | |
| 603 } | |
| 604 } | |
| 605 | |
| 606 void fdStream::write(const char* s, size_t len) { | |
|
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607 if (_fd != -1) { |
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608 // Make an unused local variable to avoid warning from gcc 4.x compiler. |
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609 size_t count = ::write(_fd, s, (int)len); |
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610 } |
| 0 | 611 update_position(s, len); |
| 612 } | |
| 613 | |
| 12215 | 614 // dump vm version, os version, platform info, build id, |
| 615 // memory usage and command line flags into header | |
| 616 void gcLogFileStream::dump_loggc_header() { | |
| 617 if (is_open()) { | |
|
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618 print_cr("%s", Abstract_VM_Version::internal_vm_info_string()); |
| 12215 | 619 os::print_memory_info(this); |
| 620 print("CommandLine flags: "); | |
| 621 CommandLineFlags::printSetFlags(this); | |
| 622 } | |
| 623 } | |
| 624 | |
| 625 gcLogFileStream::~gcLogFileStream() { | |
|
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626 if (_file != NULL) { |
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627 if (_need_close) fclose(_file); |
| 12215 | 628 _file = NULL; |
| 629 } | |
| 630 if (_file_name != NULL) { | |
| 6197 | 631 FREE_C_HEAP_ARRAY(char, _file_name, mtInternal); |
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632 _file_name = NULL; |
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633 } |
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634 } |
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635 |
| 12215 | 636 gcLogFileStream::gcLogFileStream(const char* file_name) { |
|
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637 _cur_file_num = 0; |
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638 _bytes_written = 0L; |
| 12215 | 639 _file_name = make_log_name(file_name, NULL); |
| 640 | |
| 641 // gc log file rotation | |
| 642 if (UseGCLogFileRotation && NumberOfGCLogFiles > 1) { | |
| 643 char tempbuf[FILENAMEBUFLEN]; | |
| 644 jio_snprintf(tempbuf, sizeof(tempbuf), "%s.%d" CURRENTAPPX, _file_name, _cur_file_num); | |
| 645 _file = fopen(tempbuf, "w"); | |
| 646 } else { | |
| 647 _file = fopen(_file_name, "w"); | |
| 648 } | |
| 649 if (_file != NULL) { | |
| 650 _need_close = true; | |
| 651 dump_loggc_header(); | |
| 652 } else { | |
| 653 warning("Cannot open file %s due to %s\n", _file_name, strerror(errno)); | |
| 654 _need_close = false; | |
| 655 } | |
|
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656 } |
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657 |
| 12215 | 658 void gcLogFileStream::write(const char* s, size_t len) { |
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659 if (_file != NULL) { |
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660 size_t count = fwrite(s, 1, len, _file); |
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661 _bytes_written += count; |
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662 } |
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663 update_position(s, len); |
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664 } |
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665 |
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666 // rotate_log must be called from VMThread at safepoint. In case need change parameters |
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667 // for gc log rotation from thread other than VMThread, a sub type of VM_Operation |
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668 // should be created and be submitted to VMThread's operation queue. DO NOT call this |
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669 // function directly. Currently, it is safe to rotate log at safepoint through VMThread. |
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670 // That is, no mutator threads and concurrent GC threads run parallel with VMThread to |
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671 // write to gc log file at safepoint. If in future, changes made for mutator threads or |
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672 // concurrent GC threads to run parallel with VMThread at safepoint, write and rotate_log |
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673 // must be synchronized. |
| 17827 | 674 void gcLogFileStream::rotate_log(bool force, outputStream* out) { |
| 12215 | 675 char time_msg[FILENAMEBUFLEN]; |
| 676 char time_str[EXTRACHARLEN]; | |
| 677 char current_file_name[FILENAMEBUFLEN]; | |
| 678 char renamed_file_name[FILENAMEBUFLEN]; | |
| 679 | |
| 17827 | 680 if (!should_rotate(force)) { |
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681 return; |
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682 } |
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683 |
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684 #ifdef ASSERT |
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685 Thread *thread = Thread::current(); |
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686 assert(thread == NULL || |
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687 (thread->is_VM_thread() && SafepointSynchronize::is_at_safepoint()), |
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688 "Must be VMThread at safepoint"); |
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689 #endif |
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690 if (NumberOfGCLogFiles == 1) { |
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691 // rotate in same file |
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692 rewind(); |
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693 _bytes_written = 0L; |
| 12215 | 694 jio_snprintf(time_msg, sizeof(time_msg), "File %s rotated at %s\n", |
| 695 _file_name, os::local_time_string((char *)time_str, sizeof(time_str))); | |
| 696 write(time_msg, strlen(time_msg)); | |
| 17827 | 697 |
| 698 if (out != NULL) { | |
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699 out->print("%s", time_msg); |
| 17827 | 700 } |
| 701 | |
| 12215 | 702 dump_loggc_header(); |
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703 return; |
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704 } |
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705 |
| 12215 | 706 #if defined(_WINDOWS) |
| 707 #ifndef F_OK | |
| 708 #define F_OK 0 | |
| 709 #endif | |
| 710 #endif // _WINDOWS | |
| 711 | |
| 712 // rotate file in names extended_filename.0, extended_filename.1, ..., | |
| 713 // extended_filename.<NumberOfGCLogFiles - 1>. Current rotation file name will | |
| 714 // have a form of extended_filename.<i>.current where i is the current rotation | |
| 715 // file number. After it reaches max file size, the file will be saved and renamed | |
| 716 // with .current removed from its tail. | |
| 717 size_t filename_len = strlen(_file_name); | |
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718 if (_file != NULL) { |
| 12215 | 719 jio_snprintf(renamed_file_name, filename_len + EXTRACHARLEN, "%s.%d", |
| 720 _file_name, _cur_file_num); | |
| 721 jio_snprintf(current_file_name, filename_len + EXTRACHARLEN, "%s.%d" CURRENTAPPX, | |
| 722 _file_name, _cur_file_num); | |
| 17827 | 723 |
| 724 const char* msg = force ? "GC log rotation request has been received." | |
| 725 : "GC log file has reached the maximum size."; | |
| 726 jio_snprintf(time_msg, sizeof(time_msg), "%s %s Saved as %s\n", | |
| 727 os::local_time_string((char *)time_str, sizeof(time_str)), | |
| 728 msg, renamed_file_name); | |
| 12215 | 729 write(time_msg, strlen(time_msg)); |
| 730 | |
| 17827 | 731 if (out != NULL) { |
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732 out->print("%s", time_msg); |
| 17827 | 733 } |
| 734 | |
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735 fclose(_file); |
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736 _file = NULL; |
| 12215 | 737 |
| 738 bool can_rename = true; | |
| 739 if (access(current_file_name, F_OK) != 0) { | |
| 740 // current file does not exist? | |
| 741 warning("No source file exists, cannot rename\n"); | |
| 742 can_rename = false; | |
| 743 } | |
| 744 if (can_rename) { | |
| 745 if (access(renamed_file_name, F_OK) == 0) { | |
| 746 if (remove(renamed_file_name) != 0) { | |
| 747 warning("Could not delete existing file %s\n", renamed_file_name); | |
| 748 can_rename = false; | |
| 749 } | |
| 750 } else { | |
| 751 // file does not exist, ok to rename | |
| 752 } | |
| 753 } | |
| 754 if (can_rename && rename(current_file_name, renamed_file_name) != 0) { | |
| 755 warning("Could not rename %s to %s\n", _file_name, renamed_file_name); | |
| 756 } | |
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757 } |
| 12215 | 758 |
| 759 _cur_file_num++; | |
| 760 if (_cur_file_num > NumberOfGCLogFiles - 1) _cur_file_num = 0; | |
| 761 jio_snprintf(current_file_name, filename_len + EXTRACHARLEN, "%s.%d" CURRENTAPPX, | |
| 762 _file_name, _cur_file_num); | |
| 763 _file = fopen(current_file_name, "w"); | |
| 764 | |
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765 if (_file != NULL) { |
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766 _bytes_written = 0L; |
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767 _need_close = true; |
| 12215 | 768 // reuse current_file_name for time_msg |
| 769 jio_snprintf(current_file_name, filename_len + EXTRACHARLEN, | |
| 770 "%s.%d", _file_name, _cur_file_num); | |
| 771 jio_snprintf(time_msg, sizeof(time_msg), "%s GC log file created %s\n", | |
| 772 os::local_time_string((char *)time_str, sizeof(time_str)), | |
| 773 current_file_name); | |
| 774 write(time_msg, strlen(time_msg)); | |
| 17827 | 775 |
| 776 if (out != NULL) { | |
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777 out->print("%s", time_msg); |
| 17827 | 778 } |
| 779 | |
| 12215 | 780 dump_loggc_header(); |
| 781 // remove the existing file | |
| 782 if (access(current_file_name, F_OK) == 0) { | |
| 783 if (remove(current_file_name) != 0) { | |
| 784 warning("Could not delete existing file %s\n", current_file_name); | |
| 785 } | |
| 786 } | |
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787 } else { |
| 12215 | 788 warning("failed to open rotation log file %s due to %s\n" |
| 789 "Turned off GC log file rotation\n", | |
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790 _file_name, strerror(errno)); |
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791 _need_close = false; |
| 12215 | 792 FLAG_SET_DEFAULT(UseGCLogFileRotation, false); |
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793 } |
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794 } |
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795 |
| 0 | 796 defaultStream* defaultStream::instance = NULL; |
| 797 int defaultStream::_output_fd = 1; | |
| 798 int defaultStream::_error_fd = 2; | |
| 799 FILE* defaultStream::_output_stream = stdout; | |
| 800 FILE* defaultStream::_error_stream = stderr; | |
| 801 | |
| 802 #define LOG_MAJOR_VERSION 160 | |
| 803 #define LOG_MINOR_VERSION 1 | |
| 804 | |
| 805 void defaultStream::init() { | |
| 806 _inited = true; | |
| 807 if (LogVMOutput || LogCompilation) { | |
| 808 init_log(); | |
| 809 } | |
| 810 } | |
| 811 | |
| 812 bool defaultStream::has_log_file() { | |
| 813 // lazily create log file (at startup, LogVMOutput is false even | |
| 814 // if +LogVMOutput is used, because the flags haven't been parsed yet) | |
| 815 // For safer printing during fatal error handling, do not init logfile | |
| 816 // if a VM error has been reported. | |
| 817 if (!_inited && !is_error_reported()) init(); | |
| 818 return _log_file != NULL; | |
| 819 } | |
| 820 | |
| 821 void defaultStream::init_log() { | |
| 822 // %%% Need a MutexLocker? | |
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823 const char* log_name = LogFile != NULL ? LogFile : "hotspot_%p.log"; |
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824 const char* try_name = make_log_name(log_name, NULL); |
| 6197 | 825 fileStream* file = new(ResourceObj::C_HEAP, mtInternal) fileStream(try_name); |
| 0 | 826 if (!file->is_open()) { |
| 827 // Try again to open the file. | |
| 828 char warnbuf[O_BUFLEN*2]; | |
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829 jio_snprintf(warnbuf, sizeof(warnbuf), |
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830 "Warning: Cannot open log file: %s\n", try_name); |
| 0 | 831 // Note: This feature is for maintainer use only. No need for L10N. |
| 832 jio_print(warnbuf); | |
| 6197 | 833 FREE_C_HEAP_ARRAY(char, try_name, mtInternal); |
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834 try_name = make_log_name(log_name, os::get_temp_directory()); |
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835 jio_snprintf(warnbuf, sizeof(warnbuf), |
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836 "Warning: Forcing option -XX:LogFile=%s\n", try_name); |
| 0 | 837 jio_print(warnbuf); |
| 838 delete file; | |
| 6197 | 839 file = new(ResourceObj::C_HEAP, mtInternal) fileStream(try_name); |
| 0 | 840 } |
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841 FREE_C_HEAP_ARRAY(char, try_name, mtInternal); |
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842 |
| 0 | 843 if (file->is_open()) { |
| 844 _log_file = file; | |
| 6197 | 845 xmlStream* xs = new(ResourceObj::C_HEAP, mtInternal) xmlStream(file); |
| 0 | 846 _outer_xmlStream = xs; |
| 847 if (this == tty) xtty = xs; | |
| 848 // Write XML header. | |
| 849 xs->print_cr("<?xml version='1.0' encoding='UTF-8'?>"); | |
| 850 // (For now, don't bother to issue a DTD for this private format.) | |
| 851 jlong time_ms = os::javaTimeMillis() - tty->time_stamp().milliseconds(); | |
| 852 // %%% Should be: jlong time_ms = os::start_time_milliseconds(), if | |
| 853 // we ever get round to introduce that method on the os class | |
| 854 xs->head("hotspot_log version='%d %d'" | |
| 855 " process='%d' time_ms='"INT64_FORMAT"'", | |
| 856 LOG_MAJOR_VERSION, LOG_MINOR_VERSION, | |
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857 os::current_process_id(), (int64_t)time_ms); |
| 0 | 858 // Write VM version header immediately. |
| 859 xs->head("vm_version"); | |
| 860 xs->head("name"); xs->text("%s", VM_Version::vm_name()); xs->cr(); | |
| 861 xs->tail("name"); | |
| 862 xs->head("release"); xs->text("%s", VM_Version::vm_release()); xs->cr(); | |
| 863 xs->tail("release"); | |
| 864 xs->head("info"); xs->text("%s", VM_Version::internal_vm_info_string()); xs->cr(); | |
| 865 xs->tail("info"); | |
| 866 xs->tail("vm_version"); | |
| 867 // Record information about the command-line invocation. | |
| 868 xs->head("vm_arguments"); // Cf. Arguments::print_on() | |
| 869 if (Arguments::num_jvm_flags() > 0) { | |
| 870 xs->head("flags"); | |
| 871 Arguments::print_jvm_flags_on(xs->text()); | |
| 872 xs->tail("flags"); | |
| 873 } | |
| 874 if (Arguments::num_jvm_args() > 0) { | |
| 875 xs->head("args"); | |
| 876 Arguments::print_jvm_args_on(xs->text()); | |
| 877 xs->tail("args"); | |
| 878 } | |
| 879 if (Arguments::java_command() != NULL) { | |
| 880 xs->head("command"); xs->text()->print_cr("%s", Arguments::java_command()); | |
| 881 xs->tail("command"); | |
| 882 } | |
| 883 if (Arguments::sun_java_launcher() != NULL) { | |
| 884 xs->head("launcher"); xs->text()->print_cr("%s", Arguments::sun_java_launcher()); | |
| 885 xs->tail("launcher"); | |
| 886 } | |
| 887 if (Arguments::system_properties() != NULL) { | |
| 888 xs->head("properties"); | |
| 889 // Print it as a java-style property list. | |
| 890 // System properties don't generally contain newlines, so don't bother with unparsing. | |
| 891 for (SystemProperty* p = Arguments::system_properties(); p != NULL; p = p->next()) { | |
| 892 xs->text()->print_cr("%s=%s", p->key(), p->value()); | |
| 893 } | |
| 894 xs->tail("properties"); | |
| 895 } | |
| 896 xs->tail("vm_arguments"); | |
| 897 // tty output per se is grouped under the <tty>...</tty> element. | |
| 898 xs->head("tty"); | |
| 899 // All further non-markup text gets copied to the tty: | |
| 900 xs->_text = this; // requires friend declaration! | |
| 901 } else { | |
| 902 delete(file); | |
| 903 // and leave xtty as NULL | |
| 904 LogVMOutput = false; | |
| 905 DisplayVMOutput = true; | |
| 906 LogCompilation = false; | |
| 907 } | |
| 908 } | |
| 909 | |
| 910 // finish_log() is called during normal VM shutdown. finish_log_on_error() is | |
| 911 // called by ostream_abort() after a fatal error. | |
| 912 // | |
| 913 void defaultStream::finish_log() { | |
| 914 xmlStream* xs = _outer_xmlStream; | |
| 915 xs->done("tty"); | |
| 916 | |
| 917 // Other log forks are appended here, at the End of Time: | |
| 918 CompileLog::finish_log(xs->out()); // write compile logging, if any, now | |
| 919 | |
| 920 xs->done("hotspot_log"); | |
| 921 xs->flush(); | |
| 922 | |
| 923 fileStream* file = _log_file; | |
| 924 _log_file = NULL; | |
| 925 | |
| 926 delete _outer_xmlStream; | |
| 927 _outer_xmlStream = NULL; | |
| 928 | |
| 929 file->flush(); | |
| 930 delete file; | |
| 931 } | |
| 932 | |
| 933 void defaultStream::finish_log_on_error(char *buf, int buflen) { | |
| 934 xmlStream* xs = _outer_xmlStream; | |
| 935 | |
| 936 if (xs && xs->out()) { | |
| 937 | |
| 938 xs->done_raw("tty"); | |
| 939 | |
| 940 // Other log forks are appended here, at the End of Time: | |
| 941 CompileLog::finish_log_on_error(xs->out(), buf, buflen); // write compile logging, if any, now | |
| 942 | |
| 943 xs->done_raw("hotspot_log"); | |
| 944 xs->flush(); | |
| 945 | |
| 946 fileStream* file = _log_file; | |
| 947 _log_file = NULL; | |
| 948 _outer_xmlStream = NULL; | |
| 949 | |
| 950 if (file) { | |
| 951 file->flush(); | |
| 952 | |
| 953 // Can't delete or close the file because delete and fclose aren't | |
| 954 // async-safe. We are about to die, so leave it to the kernel. | |
| 955 // delete file; | |
| 956 } | |
| 957 } | |
| 958 } | |
| 959 | |
| 960 intx defaultStream::hold(intx writer_id) { | |
| 961 bool has_log = has_log_file(); // check before locking | |
| 962 if (// impossible, but who knows? | |
| 963 writer_id == NO_WRITER || | |
| 964 | |
| 965 // bootstrap problem | |
| 966 tty_lock == NULL || | |
| 967 | |
| 968 // can't grab a lock or call Thread::current() if TLS isn't initialized | |
| 969 ThreadLocalStorage::thread() == NULL || | |
| 970 | |
| 971 // developer hook | |
| 972 !SerializeVMOutput || | |
| 973 | |
| 974 // VM already unhealthy | |
| 975 is_error_reported() || | |
| 976 | |
| 977 // safepoint == global lock (for VM only) | |
| 978 (SafepointSynchronize::is_synchronizing() && | |
| 979 Thread::current()->is_VM_thread()) | |
| 980 ) { | |
| 981 // do not attempt to lock unless we know the thread and the VM is healthy | |
| 982 return NO_WRITER; | |
| 983 } | |
| 984 if (_writer == writer_id) { | |
| 985 // already held, no need to re-grab the lock | |
| 986 return NO_WRITER; | |
| 987 } | |
| 988 tty_lock->lock_without_safepoint_check(); | |
| 989 // got the lock | |
| 990 if (writer_id != _last_writer) { | |
| 991 if (has_log) { | |
| 992 _log_file->bol(); | |
| 993 // output a hint where this output is coming from: | |
| 6843 | 994 _log_file->print_cr("<writer thread='" UINTX_FORMAT "'/>", writer_id); |
| 0 | 995 } |
| 996 _last_writer = writer_id; | |
| 997 } | |
| 998 _writer = writer_id; | |
| 999 return writer_id; | |
| 1000 } | |
| 1001 | |
| 1002 void defaultStream::release(intx holder) { | |
| 1003 if (holder == NO_WRITER) { | |
| 1004 // nothing to release: either a recursive lock, or we scribbled (too bad) | |
| 1005 return; | |
| 1006 } | |
| 1007 if (_writer != holder) { | |
| 1008 return; // already unlocked, perhaps via break_tty_lock_for_safepoint | |
| 1009 } | |
| 1010 _writer = NO_WRITER; | |
| 1011 tty_lock->unlock(); | |
| 1012 } | |
| 1013 | |
| 1014 | |
| 1015 // Yuck: jio_print does not accept char*/len. | |
| 1016 static void call_jio_print(const char* s, size_t len) { | |
| 1017 char buffer[O_BUFLEN+100]; | |
| 1018 if (len > sizeof(buffer)-1) { | |
| 1019 warning("increase O_BUFLEN in ostream.cpp -- output truncated"); | |
| 1020 len = sizeof(buffer)-1; | |
| 1021 } | |
| 1022 strncpy(buffer, s, len); | |
| 1023 buffer[len] = '\0'; | |
| 1024 jio_print(buffer); | |
| 1025 } | |
| 1026 | |
| 1027 | |
| 1028 void defaultStream::write(const char* s, size_t len) { | |
| 1029 intx thread_id = os::current_thread_id(); | |
| 1030 intx holder = hold(thread_id); | |
| 1031 | |
| 1032 if (DisplayVMOutput && | |
| 1033 (_outer_xmlStream == NULL || !_outer_xmlStream->inside_attrs())) { | |
| 1034 // print to output stream. It can be redirected by a vfprintf hook | |
| 1035 if (s[len] == '\0') { | |
| 1036 jio_print(s); | |
| 1037 } else { | |
| 1038 call_jio_print(s, len); | |
| 1039 } | |
| 1040 } | |
| 1041 | |
| 1042 // print to log file | |
| 1043 if (has_log_file()) { | |
| 1044 int nl0 = _newlines; | |
| 1045 xmlTextStream::write(s, len); | |
| 1046 // flush the log file too, if there were any newlines | |
| 1047 if (nl0 != _newlines){ | |
| 1048 flush(); | |
| 1049 } | |
| 1050 } else { | |
| 1051 update_position(s, len); | |
| 1052 } | |
| 1053 | |
| 1054 release(holder); | |
| 1055 } | |
| 1056 | |
| 1057 intx ttyLocker::hold_tty() { | |
| 1058 if (defaultStream::instance == NULL) return defaultStream::NO_WRITER; | |
| 1059 intx thread_id = os::current_thread_id(); | |
| 1060 return defaultStream::instance->hold(thread_id); | |
| 1061 } | |
| 1062 | |
| 1063 void ttyLocker::release_tty(intx holder) { | |
| 1064 if (holder == defaultStream::NO_WRITER) return; | |
| 1065 defaultStream::instance->release(holder); | |
| 1066 } | |
| 1067 | |
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1068 bool ttyLocker::release_tty_if_locked() { |
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1069 intx thread_id = os::current_thread_id(); |
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1070 if (defaultStream::instance->writer() == thread_id) { |
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1071 // release the lock and return true so callers know if was |
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1072 // previously held. |
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1073 release_tty(thread_id); |
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1074 return true; |
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1075 } |
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1076 return false; |
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1077 } |
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1078 |
| 0 | 1079 void ttyLocker::break_tty_lock_for_safepoint(intx holder) { |
| 1080 if (defaultStream::instance != NULL && | |
| 1081 defaultStream::instance->writer() == holder) { | |
| 1082 if (xtty != NULL) { | |
| 1083 xtty->print_cr("<!-- safepoint while printing -->"); | |
| 1084 } | |
| 1085 defaultStream::instance->release(holder); | |
| 1086 } | |
| 1087 // (else there was no lock to break) | |
| 1088 } | |
| 1089 | |
| 1090 void ostream_init() { | |
| 1091 if (defaultStream::instance == NULL) { | |
| 6197 | 1092 defaultStream::instance = new(ResourceObj::C_HEAP, mtInternal) defaultStream(); |
| 0 | 1093 tty = defaultStream::instance; |
| 1094 | |
| 1095 // We want to ensure that time stamps in GC logs consider time 0 | |
| 1096 // the time when the JVM is initialized, not the first time we ask | |
| 1097 // for a time stamp. So, here, we explicitly update the time stamp | |
| 1098 // of tty. | |
| 1099 tty->time_stamp().update_to(1); | |
| 1100 } | |
| 1101 } | |
| 1102 | |
| 1103 void ostream_init_log() { | |
| 1104 // For -Xloggc:<file> option - called in runtime/thread.cpp | |
| 1105 // Note : this must be called AFTER ostream_init() | |
| 1106 | |
| 1107 gclog_or_tty = tty; // default to tty | |
| 1108 if (Arguments::gc_log_filename() != NULL) { | |
| 12215 | 1109 fileStream * gclog = new(ResourceObj::C_HEAP, mtInternal) |
| 1110 gcLogFileStream(Arguments::gc_log_filename()); | |
| 0 | 1111 if (gclog->is_open()) { |
| 1112 // now we update the time stamp of the GC log to be synced up | |
| 1113 // with tty. | |
| 1114 gclog->time_stamp().update_to(tty->time_stamp().ticks()); | |
| 1115 } | |
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1116 gclog_or_tty = gclog; |
| 0 | 1117 } |
| 1118 | |
| 1119 // If we haven't lazily initialized the logfile yet, do it now, | |
| 1120 // to avoid the possibility of lazy initialization during a VM | |
| 1121 // crash, which can affect the stability of the fatal error handler. | |
| 1122 defaultStream::instance->has_log_file(); | |
| 1123 } | |
| 1124 | |
| 1125 // ostream_exit() is called during normal VM exit to finish log files, flush | |
| 1126 // output and free resource. | |
| 1127 void ostream_exit() { | |
| 1128 static bool ostream_exit_called = false; | |
| 1129 if (ostream_exit_called) return; | |
| 1130 ostream_exit_called = true; | |
| 1131 if (gclog_or_tty != tty) { | |
| 1132 delete gclog_or_tty; | |
| 1133 } | |
| 1134 { | |
| 1135 // we temporaly disable PrintMallocFree here | |
| 1136 // as otherwise it'll lead to using of almost deleted | |
| 1137 // tty or defaultStream::instance in logging facility | |
| 1138 // of HeapFree(), see 6391258 | |
| 1139 DEBUG_ONLY(FlagSetting fs(PrintMallocFree, false);) | |
| 1140 if (tty != defaultStream::instance) { | |
| 1141 delete tty; | |
| 1142 } | |
| 1143 if (defaultStream::instance != NULL) { | |
| 1144 delete defaultStream::instance; | |
| 1145 } | |
| 1146 } | |
| 1147 tty = NULL; | |
| 1148 xtty = NULL; | |
| 1149 gclog_or_tty = NULL; | |
| 1150 defaultStream::instance = NULL; | |
| 1151 } | |
| 1152 | |
| 1153 // ostream_abort() is called by os::abort() when VM is about to die. | |
| 1154 void ostream_abort() { | |
| 1155 // Here we can't delete gclog_or_tty and tty, just flush their output | |
| 1156 if (gclog_or_tty) gclog_or_tty->flush(); | |
| 1157 if (tty) tty->flush(); | |
| 1158 | |
| 1159 if (defaultStream::instance != NULL) { | |
| 1160 static char buf[4096]; | |
| 1161 defaultStream::instance->finish_log_on_error(buf, sizeof(buf)); | |
| 1162 } | |
| 1163 } | |
| 1164 | |
| 1165 staticBufferStream::staticBufferStream(char* buffer, size_t buflen, | |
| 1166 outputStream *outer_stream) { | |
| 1167 _buffer = buffer; | |
| 1168 _buflen = buflen; | |
| 1169 _outer_stream = outer_stream; | |
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1170 // compile task prints time stamp relative to VM start |
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1171 _stamp.update_to(1); |
| 0 | 1172 } |
| 1173 | |
| 1174 void staticBufferStream::write(const char* c, size_t len) { | |
| 1175 _outer_stream->print_raw(c, (int)len); | |
| 1176 } | |
| 1177 | |
| 1178 void staticBufferStream::flush() { | |
| 1179 _outer_stream->flush(); | |
| 1180 } | |
| 1181 | |
| 1182 void staticBufferStream::print(const char* format, ...) { | |
| 1183 va_list ap; | |
| 1184 va_start(ap, format); | |
| 1185 size_t len; | |
| 1186 const char* str = do_vsnprintf(_buffer, _buflen, format, ap, false, len); | |
| 1187 write(str, len); | |
| 1188 va_end(ap); | |
| 1189 } | |
| 1190 | |
| 1191 void staticBufferStream::print_cr(const char* format, ...) { | |
| 1192 va_list ap; | |
| 1193 va_start(ap, format); | |
| 1194 size_t len; | |
| 1195 const char* str = do_vsnprintf(_buffer, _buflen, format, ap, true, len); | |
| 1196 write(str, len); | |
| 1197 va_end(ap); | |
| 1198 } | |
| 1199 | |
| 1200 void staticBufferStream::vprint(const char *format, va_list argptr) { | |
| 1201 size_t len; | |
| 1202 const char* str = do_vsnprintf(_buffer, _buflen, format, argptr, false, len); | |
| 1203 write(str, len); | |
| 1204 } | |
| 1205 | |
| 1206 void staticBufferStream::vprint_cr(const char* format, va_list argptr) { | |
| 1207 size_t len; | |
| 1208 const char* str = do_vsnprintf(_buffer, _buflen, format, argptr, true, len); | |
| 1209 write(str, len); | |
| 1210 } | |
| 1211 | |
| 222 | 1212 bufferedStream::bufferedStream(size_t initial_size, size_t bufmax) : outputStream() { |
| 0 | 1213 buffer_length = initial_size; |
| 6197 | 1214 buffer = NEW_C_HEAP_ARRAY(char, buffer_length, mtInternal); |
| 0 | 1215 buffer_pos = 0; |
| 1216 buffer_fixed = false; | |
| 222 | 1217 buffer_max = bufmax; |
| 0 | 1218 } |
| 1219 | |
| 222 | 1220 bufferedStream::bufferedStream(char* fixed_buffer, size_t fixed_buffer_size, size_t bufmax) : outputStream() { |
| 0 | 1221 buffer_length = fixed_buffer_size; |
| 1222 buffer = fixed_buffer; | |
| 1223 buffer_pos = 0; | |
| 1224 buffer_fixed = true; | |
| 222 | 1225 buffer_max = bufmax; |
| 0 | 1226 } |
| 1227 | |
| 1228 void bufferedStream::write(const char* s, size_t len) { | |
| 222 | 1229 |
| 1230 if(buffer_pos + len > buffer_max) { | |
| 1231 flush(); | |
| 1232 } | |
| 1233 | |
| 0 | 1234 size_t end = buffer_pos + len; |
| 1235 if (end >= buffer_length) { | |
| 1236 if (buffer_fixed) { | |
| 1237 // if buffer cannot resize, silently truncate | |
| 1238 len = buffer_length - buffer_pos - 1; | |
| 1239 } else { | |
| 1240 // For small overruns, double the buffer. For larger ones, | |
| 1241 // increase to the requested size. | |
| 1242 if (end < buffer_length * 2) { | |
| 1243 end = buffer_length * 2; | |
| 1244 } | |
| 6197 | 1245 buffer = REALLOC_C_HEAP_ARRAY(char, buffer, end, mtInternal); |
| 0 | 1246 buffer_length = end; |
| 1247 } | |
| 1248 } | |
| 1249 memcpy(buffer + buffer_pos, s, len); | |
| 1250 buffer_pos += len; | |
| 1251 update_position(s, len); | |
| 1252 } | |
| 1253 | |
| 1254 char* bufferedStream::as_string() { | |
| 1255 char* copy = NEW_RESOURCE_ARRAY(char, buffer_pos+1); | |
| 1256 strncpy(copy, buffer, buffer_pos); | |
| 1257 copy[buffer_pos] = 0; // terminating null | |
| 1258 return copy; | |
| 1259 } | |
| 1260 | |
| 1261 bufferedStream::~bufferedStream() { | |
| 1262 if (!buffer_fixed) { | |
| 6197 | 1263 FREE_C_HEAP_ARRAY(char, buffer, mtInternal); |
| 0 | 1264 } |
| 1265 } | |
| 1266 | |
| 1267 #ifndef PRODUCT | |
| 1268 | |
| 14411 | 1269 #if defined(SOLARIS) || defined(LINUX) || defined(AIX) || defined(_ALLBSD_SOURCE) |
| 0 | 1270 #include <sys/types.h> |
| 1271 #include <sys/socket.h> | |
| 1272 #include <netinet/in.h> | |
| 1273 #include <arpa/inet.h> | |
| 1274 #endif | |
| 1275 | |
| 1276 // Network access | |
| 222 | 1277 networkStream::networkStream() : bufferedStream(1024*10, 1024*10) { |
| 0 | 1278 |
| 1279 _socket = -1; | |
| 1280 | |
|
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1281 int result = os::socket(AF_INET, SOCK_STREAM, 0); |
| 0 | 1282 if (result <= 0) { |
| 1283 assert(false, "Socket could not be created!"); | |
| 1284 } else { | |
| 1285 _socket = result; | |
| 1286 } | |
| 1287 } | |
| 1288 | |
| 1289 int networkStream::read(char *buf, size_t len) { | |
|
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1290 return os::recv(_socket, buf, (int)len, 0); |
| 0 | 1291 } |
| 1292 | |
| 1293 void networkStream::flush() { | |
| 1294 if (size() != 0) { | |
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1295 int result = os::raw_send(_socket, (char *)base(), size(), 0); |
| 222 | 1296 assert(result != -1, "connection error"); |
| 1297 assert(result == (int)size(), "didn't send enough data"); | |
| 0 | 1298 } |
| 1299 reset(); | |
| 1300 } | |
| 1301 | |
| 1302 networkStream::~networkStream() { | |
| 1303 close(); | |
| 1304 } | |
| 1305 | |
| 1306 void networkStream::close() { | |
| 1307 if (_socket != -1) { | |
| 1308 flush(); | |
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1309 os::socket_close(_socket); |
| 0 | 1310 _socket = -1; |
| 1311 } | |
| 1312 } | |
| 1313 | |
| 1314 bool networkStream::connect(const char *ip, short port) { | |
| 1315 | |
| 1316 struct sockaddr_in server; | |
| 1317 server.sin_family = AF_INET; | |
| 1318 server.sin_port = htons(port); | |
| 1319 | |
| 1320 server.sin_addr.s_addr = inet_addr(ip); | |
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1321 if (server.sin_addr.s_addr == (uint32_t)-1) { |
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1322 struct hostent* host = os::get_host_by_name((char*)ip); |
| 0 | 1323 if (host != NULL) { |
| 1324 memcpy(&server.sin_addr, host->h_addr_list[0], host->h_length); | |
| 1325 } else { | |
| 1326 return false; | |
| 1327 } | |
| 1328 } | |
| 1329 | |
| 1330 | |
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1331 int result = os::connect(_socket, (struct sockaddr*)&server, sizeof(struct sockaddr_in)); |
| 0 | 1332 return (result >= 0); |
| 1333 } | |
| 1334 | |
| 1335 #endif |