Mercurial > hg > truffle
annotate src/share/vm/utilities/ostream.cpp @ 356:1ee8caae33af
Merge
| author | tonyp |
|---|---|
| date | Thu, 21 Aug 2008 23:36:31 -0400 |
| parents | fab5f738c515 9c2ecc2ffb12 |
| children | 2328d1d3f8cf |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 196 | 2 * Copyright 1997-2008 Sun Microsystems, Inc. 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_ostream.cpp.incl" | |
| 27 | |
| 28 extern "C" void jio_print(const char* s); // Declarationtion of jvm method | |
| 29 | |
| 30 outputStream::outputStream(int width) { | |
| 31 _width = width; | |
| 32 _position = 0; | |
| 33 _newlines = 0; | |
| 34 _precount = 0; | |
| 35 _indentation = 0; | |
| 36 } | |
| 37 | |
| 38 outputStream::outputStream(int width, bool has_time_stamps) { | |
| 39 _width = width; | |
| 40 _position = 0; | |
| 41 _newlines = 0; | |
| 42 _precount = 0; | |
| 43 _indentation = 0; | |
| 44 if (has_time_stamps) _stamp.update(); | |
| 45 } | |
| 46 | |
| 47 void outputStream::update_position(const char* s, size_t len) { | |
| 48 for (size_t i = 0; i < len; i++) { | |
| 49 char ch = s[i]; | |
| 50 if (ch == '\n') { | |
| 51 _newlines += 1; | |
| 52 _precount += _position + 1; | |
| 53 _position = 0; | |
| 54 } else if (ch == '\t') { | |
|
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
55 int tw = 8 - (_position & 7); |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
56 _position += tw; |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
57 _precount -= tw-1; // invariant: _precount + _position == total count |
| 0 | 58 } else { |
| 59 _position += 1; | |
| 60 } | |
| 61 } | |
| 62 } | |
| 63 | |
| 64 // Execute a vsprintf, using the given buffer if necessary. | |
| 65 // Return a pointer to the formatted string. | |
| 66 const char* outputStream::do_vsnprintf(char* buffer, size_t buflen, | |
| 67 const char* format, va_list ap, | |
| 68 bool add_cr, | |
| 69 size_t& result_len) { | |
| 70 const char* result; | |
| 71 if (add_cr) buflen--; | |
| 72 if (!strchr(format, '%')) { | |
| 73 // constant format string | |
| 74 result = format; | |
| 75 result_len = strlen(result); | |
| 76 if (add_cr && result_len >= buflen) result_len = buflen-1; // truncate | |
| 77 } else if (format[0] == '%' && format[1] == 's' && format[2] == '\0') { | |
| 78 // trivial copy-through format string | |
| 79 result = va_arg(ap, const char*); | |
| 80 result_len = strlen(result); | |
| 81 if (add_cr && result_len >= buflen) result_len = buflen-1; // truncate | |
| 82 } else if (vsnprintf(buffer, buflen, format, ap) >= 0) { | |
| 83 result = buffer; | |
| 84 result_len = strlen(result); | |
| 85 } else { | |
| 86 DEBUG_ONLY(warning("increase O_BUFLEN in ostream.hpp -- output truncated");) | |
| 87 result = buffer; | |
| 88 result_len = buflen - 1; | |
| 89 buffer[result_len] = 0; | |
| 90 } | |
| 91 if (add_cr) { | |
| 92 if (result != buffer) { | |
| 93 strncpy(buffer, result, buflen); | |
| 94 result = buffer; | |
| 95 } | |
| 96 buffer[result_len++] = '\n'; | |
| 97 buffer[result_len] = 0; | |
| 98 } | |
| 99 return result; | |
| 100 } | |
| 101 | |
| 102 void outputStream::print(const char* format, ...) { | |
| 103 char buffer[O_BUFLEN]; | |
| 104 va_list ap; | |
| 105 va_start(ap, format); | |
| 106 size_t len; | |
| 107 const char* str = do_vsnprintf(buffer, O_BUFLEN, format, ap, false, len); | |
| 108 write(str, len); | |
| 109 va_end(ap); | |
| 110 } | |
| 111 | |
| 112 void outputStream::print_cr(const char* format, ...) { | |
| 113 char buffer[O_BUFLEN]; | |
| 114 va_list ap; | |
| 115 va_start(ap, format); | |
| 116 size_t len; | |
| 117 const char* str = do_vsnprintf(buffer, O_BUFLEN, format, ap, true, len); | |
| 118 write(str, len); | |
| 119 va_end(ap); | |
| 120 } | |
| 121 | |
| 122 void outputStream::vprint(const char *format, va_list argptr) { | |
| 123 char buffer[O_BUFLEN]; | |
| 124 size_t len; | |
| 125 const char* str = do_vsnprintf(buffer, O_BUFLEN, format, argptr, false, len); | |
| 126 write(str, len); | |
| 127 } | |
| 128 | |
| 129 void outputStream::vprint_cr(const char* format, va_list argptr) { | |
| 130 char buffer[O_BUFLEN]; | |
| 131 size_t len; | |
| 132 const char* str = do_vsnprintf(buffer, O_BUFLEN, format, argptr, true, len); | |
| 133 write(str, len); | |
| 134 } | |
| 135 | |
| 136 void outputStream::fill_to(int col) { | |
|
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
137 int need_fill = col - position(); |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
138 sp(need_fill); |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
139 } |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
140 |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
141 void outputStream::move_to(int col, int slop, int min_space) { |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
142 if (position() >= col + slop) |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
143 cr(); |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
144 int need_fill = col - position(); |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
145 if (need_fill < min_space) |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
146 need_fill = min_space; |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
147 sp(need_fill); |
| 0 | 148 } |
| 149 | |
| 150 void outputStream::put(char ch) { | |
| 151 assert(ch != 0, "please fix call site"); | |
| 152 char buf[] = { ch, '\0' }; | |
| 153 write(buf, 1); | |
| 154 } | |
| 155 | |
|
100
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
156 #define SP_USE_TABS false |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
157 |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
158 void outputStream::sp(int count) { |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
159 if (count < 0) return; |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
160 if (SP_USE_TABS && count >= 8) { |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
161 int target = position() + count; |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
162 while (count >= 8) { |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
163 this->write("\t", 1); |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
164 count -= 8; |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
165 } |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
166 count = target - position(); |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
167 } |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
168 while (count > 0) { |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
169 int nw = (count > 8) ? 8 : count; |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
170 this->write(" ", nw); |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
171 count -= nw; |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
parents:
0
diff
changeset
|
172 } |
| 0 | 173 } |
| 174 | |
| 175 void outputStream::cr() { | |
| 176 this->write("\n", 1); | |
| 177 } | |
| 178 | |
| 179 void outputStream::stamp() { | |
| 180 if (! _stamp.is_updated()) { | |
| 181 _stamp.update(); // start at 0 on first call to stamp() | |
| 182 } | |
| 183 | |
| 184 // outputStream::stamp() may get called by ostream_abort(), use snprintf | |
| 185 // to avoid allocating large stack buffer in print(). | |
| 186 char buf[40]; | |
| 187 jio_snprintf(buf, sizeof(buf), "%.3f", _stamp.seconds()); | |
| 188 print_raw(buf); | |
| 189 } | |
| 190 | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
102
diff
changeset
|
191 void outputStream::stamp(bool guard, |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
102
diff
changeset
|
192 const char* prefix, |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
102
diff
changeset
|
193 const char* suffix) { |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
102
diff
changeset
|
194 if (!guard) { |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
102
diff
changeset
|
195 return; |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
102
diff
changeset
|
196 } |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
102
diff
changeset
|
197 print_raw(prefix); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
102
diff
changeset
|
198 stamp(); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
102
diff
changeset
|
199 print_raw(suffix); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
102
diff
changeset
|
200 } |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
102
diff
changeset
|
201 |
| 0 | 202 void outputStream::date_stamp(bool guard, |
| 203 const char* prefix, | |
| 204 const char* suffix) { | |
| 205 if (!guard) { | |
| 206 return; | |
| 207 } | |
| 208 print_raw(prefix); | |
| 209 static const char error_time[] = "yyyy-mm-ddThh:mm:ss.mmm+zzzz"; | |
| 210 static const int buffer_length = 32; | |
| 211 char buffer[buffer_length]; | |
| 212 const char* iso8601_result = os::iso8601_time(buffer, buffer_length); | |
| 213 if (iso8601_result != NULL) { | |
| 214 print_raw(buffer); | |
| 215 } else { | |
| 216 print_raw(error_time); | |
| 217 } | |
| 218 print_raw(suffix); | |
| 219 return; | |
| 220 } | |
| 221 | |
| 222 void outputStream::indent() { | |
| 223 while (_position < _indentation) sp(); | |
| 224 } | |
| 225 | |
| 226 void outputStream::print_jlong(jlong value) { | |
| 227 // N.B. Same as INT64_FORMAT | |
| 228 print(os::jlong_format_specifier(), value); | |
| 229 } | |
| 230 | |
| 231 void outputStream::print_julong(julong value) { | |
| 232 // N.B. Same as UINT64_FORMAT | |
| 233 print(os::julong_format_specifier(), value); | |
| 234 } | |
| 235 | |
| 236 stringStream::stringStream(size_t initial_size) : outputStream() { | |
| 237 buffer_length = initial_size; | |
| 238 buffer = NEW_RESOURCE_ARRAY(char, buffer_length); | |
| 239 buffer_pos = 0; | |
| 240 buffer_fixed = false; | |
| 241 } | |
| 242 | |
| 243 // useful for output to fixed chunks of memory, such as performance counters | |
| 244 stringStream::stringStream(char* fixed_buffer, size_t fixed_buffer_size) : outputStream() { | |
| 245 buffer_length = fixed_buffer_size; | |
| 246 buffer = fixed_buffer; | |
| 247 buffer_pos = 0; | |
| 248 buffer_fixed = true; | |
| 249 } | |
| 250 | |
| 251 void stringStream::write(const char* s, size_t len) { | |
| 252 size_t write_len = len; // number of non-null bytes to write | |
| 253 size_t end = buffer_pos + len + 1; // position after write and final '\0' | |
| 254 if (end > buffer_length) { | |
| 255 if (buffer_fixed) { | |
| 256 // if buffer cannot resize, silently truncate | |
| 257 end = buffer_length; | |
| 258 write_len = end - buffer_pos - 1; // leave room for the final '\0' | |
| 259 } else { | |
| 260 // For small overruns, double the buffer. For larger ones, | |
| 261 // increase to the requested size. | |
| 262 if (end < buffer_length * 2) { | |
| 263 end = buffer_length * 2; | |
| 264 } | |
| 265 char* oldbuf = buffer; | |
| 266 buffer = NEW_RESOURCE_ARRAY(char, end); | |
| 267 strncpy(buffer, oldbuf, buffer_pos); | |
| 268 buffer_length = end; | |
| 269 } | |
| 270 } | |
| 271 // invariant: buffer is always null-terminated | |
| 272 guarantee(buffer_pos + write_len + 1 <= buffer_length, "stringStream oob"); | |
| 273 buffer[buffer_pos + write_len] = 0; | |
| 274 strncpy(buffer + buffer_pos, s, write_len); | |
| 275 buffer_pos += write_len; | |
| 276 | |
| 277 // Note that the following does not depend on write_len. | |
| 278 // This means that position and count get updated | |
| 279 // even when overflow occurs. | |
| 280 update_position(s, len); | |
| 281 } | |
| 282 | |
| 283 char* stringStream::as_string() { | |
| 284 char* copy = NEW_RESOURCE_ARRAY(char, buffer_pos+1); | |
| 285 strncpy(copy, buffer, buffer_pos); | |
| 286 copy[buffer_pos] = 0; // terminating null | |
| 287 return copy; | |
| 288 } | |
| 289 | |
| 290 stringStream::~stringStream() {} | |
| 291 | |
| 292 xmlStream* xtty; | |
| 293 outputStream* tty; | |
| 294 outputStream* gclog_or_tty; | |
| 295 extern Mutex* tty_lock; | |
| 296 | |
| 297 fileStream::fileStream(const char* file_name) { | |
| 298 _file = fopen(file_name, "w"); | |
| 299 _need_close = true; | |
| 300 } | |
| 301 | |
| 302 void fileStream::write(const char* s, size_t len) { | |
| 303 if (_file != NULL) fwrite(s, 1, len, _file); | |
| 304 update_position(s, len); | |
| 305 } | |
| 306 | |
| 307 fileStream::~fileStream() { | |
| 308 if (_file != NULL) { | |
| 309 if (_need_close) fclose(_file); | |
| 310 _file = NULL; | |
| 311 } | |
| 312 } | |
| 313 | |
| 314 void fileStream::flush() { | |
| 315 fflush(_file); | |
| 316 } | |
| 317 | |
| 318 fdStream::fdStream(const char* file_name) { | |
| 319 _fd = open(file_name, O_WRONLY | O_CREAT | O_TRUNC, 0666); | |
| 320 _need_close = true; | |
| 321 } | |
| 322 | |
| 323 fdStream::~fdStream() { | |
| 324 if (_fd != -1) { | |
| 325 if (_need_close) close(_fd); | |
| 326 _fd = -1; | |
| 327 } | |
| 328 } | |
| 329 | |
| 330 void fdStream::write(const char* s, size_t len) { | |
| 331 if (_fd != -1) ::write(_fd, s, (int)len); | |
| 332 update_position(s, len); | |
| 333 } | |
| 334 | |
| 335 defaultStream* defaultStream::instance = NULL; | |
| 336 int defaultStream::_output_fd = 1; | |
| 337 int defaultStream::_error_fd = 2; | |
| 338 FILE* defaultStream::_output_stream = stdout; | |
| 339 FILE* defaultStream::_error_stream = stderr; | |
| 340 | |
| 341 #define LOG_MAJOR_VERSION 160 | |
| 342 #define LOG_MINOR_VERSION 1 | |
| 343 | |
| 344 void defaultStream::init() { | |
| 345 _inited = true; | |
| 346 if (LogVMOutput || LogCompilation) { | |
| 347 init_log(); | |
| 348 } | |
| 349 } | |
| 350 | |
| 351 bool defaultStream::has_log_file() { | |
| 352 // lazily create log file (at startup, LogVMOutput is false even | |
| 353 // if +LogVMOutput is used, because the flags haven't been parsed yet) | |
| 354 // For safer printing during fatal error handling, do not init logfile | |
| 355 // if a VM error has been reported. | |
| 356 if (!_inited && !is_error_reported()) init(); | |
| 357 return _log_file != NULL; | |
| 358 } | |
| 359 | |
| 360 static const char* make_log_name(const char* log_name, const char* force_directory, char* buf) { | |
| 361 const char* basename = log_name; | |
| 362 char file_sep = os::file_separator()[0]; | |
| 363 const char* cp; | |
| 364 for (cp = log_name; *cp != '\0'; cp++) { | |
| 365 if (*cp == '/' || *cp == file_sep) { | |
| 366 basename = cp+1; | |
| 367 } | |
| 368 } | |
| 369 const char* nametail = log_name; | |
| 370 | |
| 371 strcpy(buf, ""); | |
| 372 if (force_directory != NULL) { | |
| 373 strcat(buf, force_directory); | |
| 374 strcat(buf, os::file_separator()); | |
| 375 nametail = basename; // completely skip directory prefix | |
| 376 } | |
| 377 | |
| 378 const char* star = strchr(basename, '*'); | |
| 379 int star_pos = (star == NULL) ? -1 : (star - nametail); | |
| 380 | |
| 381 if (star_pos >= 0) { | |
| 382 // convert foo*bar.log to foo123bar.log | |
| 383 int buf_pos = (int) strlen(buf); | |
| 384 strncpy(&buf[buf_pos], nametail, star_pos); | |
| 385 sprintf(&buf[buf_pos + star_pos], "%u", os::current_process_id()); | |
| 386 nametail += star_pos + 1; // skip prefix and star | |
| 387 } | |
| 388 | |
| 389 strcat(buf, nametail); // append rest of name, or all of name | |
| 390 return buf; | |
| 391 } | |
| 392 | |
| 393 void defaultStream::init_log() { | |
| 394 // %%% Need a MutexLocker? | |
| 395 const char* log_name = LogFile != NULL ? LogFile : "hotspot.log"; | |
| 396 char buf[O_BUFLEN*2]; | |
| 397 const char* try_name = make_log_name(log_name, NULL, buf); | |
| 398 fileStream* file = new(ResourceObj::C_HEAP) fileStream(try_name); | |
| 399 if (!file->is_open()) { | |
| 400 // Try again to open the file. | |
| 401 char warnbuf[O_BUFLEN*2]; | |
| 402 sprintf(warnbuf, "Warning: Cannot open log file: %s\n", try_name); | |
| 403 // Note: This feature is for maintainer use only. No need for L10N. | |
| 404 jio_print(warnbuf); | |
| 405 try_name = make_log_name("hs_pid*.log", os::get_temp_directory(), buf); | |
| 406 sprintf(warnbuf, "Warning: Forcing option -XX:LogFile=%s\n", try_name); | |
| 407 jio_print(warnbuf); | |
| 408 delete file; | |
| 409 file = new(ResourceObj::C_HEAP) fileStream(try_name); | |
| 410 } | |
| 411 if (file->is_open()) { | |
| 412 _log_file = file; | |
| 413 xmlStream* xs = new(ResourceObj::C_HEAP) xmlStream(file); | |
| 414 _outer_xmlStream = xs; | |
| 415 if (this == tty) xtty = xs; | |
| 416 // Write XML header. | |
| 417 xs->print_cr("<?xml version='1.0' encoding='UTF-8'?>"); | |
| 418 // (For now, don't bother to issue a DTD for this private format.) | |
| 419 jlong time_ms = os::javaTimeMillis() - tty->time_stamp().milliseconds(); | |
| 420 // %%% Should be: jlong time_ms = os::start_time_milliseconds(), if | |
| 421 // we ever get round to introduce that method on the os class | |
| 422 xs->head("hotspot_log version='%d %d'" | |
| 423 " process='%d' time_ms='"INT64_FORMAT"'", | |
| 424 LOG_MAJOR_VERSION, LOG_MINOR_VERSION, | |
| 425 os::current_process_id(), time_ms); | |
| 426 // Write VM version header immediately. | |
| 427 xs->head("vm_version"); | |
| 428 xs->head("name"); xs->text("%s", VM_Version::vm_name()); xs->cr(); | |
| 429 xs->tail("name"); | |
| 430 xs->head("release"); xs->text("%s", VM_Version::vm_release()); xs->cr(); | |
| 431 xs->tail("release"); | |
| 432 xs->head("info"); xs->text("%s", VM_Version::internal_vm_info_string()); xs->cr(); | |
| 433 xs->tail("info"); | |
| 434 xs->tail("vm_version"); | |
| 435 // Record information about the command-line invocation. | |
| 436 xs->head("vm_arguments"); // Cf. Arguments::print_on() | |
| 437 if (Arguments::num_jvm_flags() > 0) { | |
| 438 xs->head("flags"); | |
| 439 Arguments::print_jvm_flags_on(xs->text()); | |
| 440 xs->tail("flags"); | |
| 441 } | |
| 442 if (Arguments::num_jvm_args() > 0) { | |
| 443 xs->head("args"); | |
| 444 Arguments::print_jvm_args_on(xs->text()); | |
| 445 xs->tail("args"); | |
| 446 } | |
| 447 if (Arguments::java_command() != NULL) { | |
| 448 xs->head("command"); xs->text()->print_cr("%s", Arguments::java_command()); | |
| 449 xs->tail("command"); | |
| 450 } | |
| 451 if (Arguments::sun_java_launcher() != NULL) { | |
| 452 xs->head("launcher"); xs->text()->print_cr("%s", Arguments::sun_java_launcher()); | |
| 453 xs->tail("launcher"); | |
| 454 } | |
| 455 if (Arguments::system_properties() != NULL) { | |
| 456 xs->head("properties"); | |
| 457 // Print it as a java-style property list. | |
| 458 // System properties don't generally contain newlines, so don't bother with unparsing. | |
| 459 for (SystemProperty* p = Arguments::system_properties(); p != NULL; p = p->next()) { | |
| 460 xs->text()->print_cr("%s=%s", p->key(), p->value()); | |
| 461 } | |
| 462 xs->tail("properties"); | |
| 463 } | |
| 464 xs->tail("vm_arguments"); | |
| 465 // tty output per se is grouped under the <tty>...</tty> element. | |
| 466 xs->head("tty"); | |
| 467 // All further non-markup text gets copied to the tty: | |
| 468 xs->_text = this; // requires friend declaration! | |
| 469 } else { | |
| 470 delete(file); | |
| 471 // and leave xtty as NULL | |
| 472 LogVMOutput = false; | |
| 473 DisplayVMOutput = true; | |
| 474 LogCompilation = false; | |
| 475 } | |
| 476 } | |
| 477 | |
| 478 // finish_log() is called during normal VM shutdown. finish_log_on_error() is | |
| 479 // called by ostream_abort() after a fatal error. | |
| 480 // | |
| 481 void defaultStream::finish_log() { | |
| 482 xmlStream* xs = _outer_xmlStream; | |
| 483 xs->done("tty"); | |
| 484 | |
| 485 // Other log forks are appended here, at the End of Time: | |
| 486 CompileLog::finish_log(xs->out()); // write compile logging, if any, now | |
| 487 | |
| 488 xs->done("hotspot_log"); | |
| 489 xs->flush(); | |
| 490 | |
| 491 fileStream* file = _log_file; | |
| 492 _log_file = NULL; | |
| 493 | |
| 494 delete _outer_xmlStream; | |
| 495 _outer_xmlStream = NULL; | |
| 496 | |
| 497 file->flush(); | |
| 498 delete file; | |
| 499 } | |
| 500 | |
| 501 void defaultStream::finish_log_on_error(char *buf, int buflen) { | |
| 502 xmlStream* xs = _outer_xmlStream; | |
| 503 | |
| 504 if (xs && xs->out()) { | |
| 505 | |
| 506 xs->done_raw("tty"); | |
| 507 | |
| 508 // Other log forks are appended here, at the End of Time: | |
| 509 CompileLog::finish_log_on_error(xs->out(), buf, buflen); // write compile logging, if any, now | |
| 510 | |
| 511 xs->done_raw("hotspot_log"); | |
| 512 xs->flush(); | |
| 513 | |
| 514 fileStream* file = _log_file; | |
| 515 _log_file = NULL; | |
| 516 _outer_xmlStream = NULL; | |
| 517 | |
| 518 if (file) { | |
| 519 file->flush(); | |
| 520 | |
| 521 // Can't delete or close the file because delete and fclose aren't | |
| 522 // async-safe. We are about to die, so leave it to the kernel. | |
| 523 // delete file; | |
| 524 } | |
| 525 } | |
| 526 } | |
| 527 | |
| 528 intx defaultStream::hold(intx writer_id) { | |
| 529 bool has_log = has_log_file(); // check before locking | |
| 530 if (// impossible, but who knows? | |
| 531 writer_id == NO_WRITER || | |
| 532 | |
| 533 // bootstrap problem | |
| 534 tty_lock == NULL || | |
| 535 | |
| 536 // can't grab a lock or call Thread::current() if TLS isn't initialized | |
| 537 ThreadLocalStorage::thread() == NULL || | |
| 538 | |
| 539 // developer hook | |
| 540 !SerializeVMOutput || | |
| 541 | |
| 542 // VM already unhealthy | |
| 543 is_error_reported() || | |
| 544 | |
| 545 // safepoint == global lock (for VM only) | |
| 546 (SafepointSynchronize::is_synchronizing() && | |
| 547 Thread::current()->is_VM_thread()) | |
| 548 ) { | |
| 549 // do not attempt to lock unless we know the thread and the VM is healthy | |
| 550 return NO_WRITER; | |
| 551 } | |
| 552 if (_writer == writer_id) { | |
| 553 // already held, no need to re-grab the lock | |
| 554 return NO_WRITER; | |
| 555 } | |
| 556 tty_lock->lock_without_safepoint_check(); | |
| 557 // got the lock | |
| 558 if (writer_id != _last_writer) { | |
| 559 if (has_log) { | |
| 560 _log_file->bol(); | |
| 561 // output a hint where this output is coming from: | |
| 562 _log_file->print_cr("<writer thread='"INTX_FORMAT"'/>", writer_id); | |
| 563 } | |
| 564 _last_writer = writer_id; | |
| 565 } | |
| 566 _writer = writer_id; | |
| 567 return writer_id; | |
| 568 } | |
| 569 | |
| 570 void defaultStream::release(intx holder) { | |
| 571 if (holder == NO_WRITER) { | |
| 572 // nothing to release: either a recursive lock, or we scribbled (too bad) | |
| 573 return; | |
| 574 } | |
| 575 if (_writer != holder) { | |
| 576 return; // already unlocked, perhaps via break_tty_lock_for_safepoint | |
| 577 } | |
| 578 _writer = NO_WRITER; | |
| 579 tty_lock->unlock(); | |
| 580 } | |
| 581 | |
| 582 | |
| 583 // Yuck: jio_print does not accept char*/len. | |
| 584 static void call_jio_print(const char* s, size_t len) { | |
| 585 char buffer[O_BUFLEN+100]; | |
| 586 if (len > sizeof(buffer)-1) { | |
| 587 warning("increase O_BUFLEN in ostream.cpp -- output truncated"); | |
| 588 len = sizeof(buffer)-1; | |
| 589 } | |
| 590 strncpy(buffer, s, len); | |
| 591 buffer[len] = '\0'; | |
| 592 jio_print(buffer); | |
| 593 } | |
| 594 | |
| 595 | |
| 596 void defaultStream::write(const char* s, size_t len) { | |
| 597 intx thread_id = os::current_thread_id(); | |
| 598 intx holder = hold(thread_id); | |
| 599 | |
| 600 if (DisplayVMOutput && | |
| 601 (_outer_xmlStream == NULL || !_outer_xmlStream->inside_attrs())) { | |
| 602 // print to output stream. It can be redirected by a vfprintf hook | |
| 603 if (s[len] == '\0') { | |
| 604 jio_print(s); | |
| 605 } else { | |
| 606 call_jio_print(s, len); | |
| 607 } | |
| 608 } | |
| 609 | |
| 610 // print to log file | |
| 611 if (has_log_file()) { | |
| 612 int nl0 = _newlines; | |
| 613 xmlTextStream::write(s, len); | |
| 614 // flush the log file too, if there were any newlines | |
| 615 if (nl0 != _newlines){ | |
| 616 flush(); | |
| 617 } | |
| 618 } else { | |
| 619 update_position(s, len); | |
| 620 } | |
| 621 | |
| 622 release(holder); | |
| 623 } | |
| 624 | |
| 625 intx ttyLocker::hold_tty() { | |
| 626 if (defaultStream::instance == NULL) return defaultStream::NO_WRITER; | |
| 627 intx thread_id = os::current_thread_id(); | |
| 628 return defaultStream::instance->hold(thread_id); | |
| 629 } | |
| 630 | |
| 631 void ttyLocker::release_tty(intx holder) { | |
| 632 if (holder == defaultStream::NO_WRITER) return; | |
| 633 defaultStream::instance->release(holder); | |
| 634 } | |
| 635 | |
| 636 void ttyLocker::break_tty_lock_for_safepoint(intx holder) { | |
| 637 if (defaultStream::instance != NULL && | |
| 638 defaultStream::instance->writer() == holder) { | |
| 639 if (xtty != NULL) { | |
| 640 xtty->print_cr("<!-- safepoint while printing -->"); | |
| 641 } | |
| 642 defaultStream::instance->release(holder); | |
| 643 } | |
| 644 // (else there was no lock to break) | |
| 645 } | |
| 646 | |
| 647 void ostream_init() { | |
| 648 if (defaultStream::instance == NULL) { | |
| 649 defaultStream::instance = new(ResourceObj::C_HEAP) defaultStream(); | |
| 650 tty = defaultStream::instance; | |
| 651 | |
| 652 // We want to ensure that time stamps in GC logs consider time 0 | |
| 653 // the time when the JVM is initialized, not the first time we ask | |
| 654 // for a time stamp. So, here, we explicitly update the time stamp | |
| 655 // of tty. | |
| 656 tty->time_stamp().update_to(1); | |
| 657 } | |
| 658 } | |
| 659 | |
| 660 void ostream_init_log() { | |
| 661 // For -Xloggc:<file> option - called in runtime/thread.cpp | |
| 662 // Note : this must be called AFTER ostream_init() | |
| 663 | |
| 664 gclog_or_tty = tty; // default to tty | |
| 665 if (Arguments::gc_log_filename() != NULL) { | |
| 666 fileStream * gclog = new(ResourceObj::C_HEAP) | |
| 667 fileStream(Arguments::gc_log_filename()); | |
| 668 if (gclog->is_open()) { | |
| 669 // now we update the time stamp of the GC log to be synced up | |
| 670 // with tty. | |
| 671 gclog->time_stamp().update_to(tty->time_stamp().ticks()); | |
| 672 gclog_or_tty = gclog; | |
| 673 } | |
| 674 } | |
| 675 | |
| 676 // If we haven't lazily initialized the logfile yet, do it now, | |
| 677 // to avoid the possibility of lazy initialization during a VM | |
| 678 // crash, which can affect the stability of the fatal error handler. | |
| 679 defaultStream::instance->has_log_file(); | |
| 680 } | |
| 681 | |
| 682 // ostream_exit() is called during normal VM exit to finish log files, flush | |
| 683 // output and free resource. | |
| 684 void ostream_exit() { | |
| 685 static bool ostream_exit_called = false; | |
| 686 if (ostream_exit_called) return; | |
| 687 ostream_exit_called = true; | |
| 688 if (gclog_or_tty != tty) { | |
| 689 delete gclog_or_tty; | |
| 690 } | |
| 691 { | |
| 692 // we temporaly disable PrintMallocFree here | |
| 693 // as otherwise it'll lead to using of almost deleted | |
| 694 // tty or defaultStream::instance in logging facility | |
| 695 // of HeapFree(), see 6391258 | |
| 696 DEBUG_ONLY(FlagSetting fs(PrintMallocFree, false);) | |
| 697 if (tty != defaultStream::instance) { | |
| 698 delete tty; | |
| 699 } | |
| 700 if (defaultStream::instance != NULL) { | |
| 701 delete defaultStream::instance; | |
| 702 } | |
| 703 } | |
| 704 tty = NULL; | |
| 705 xtty = NULL; | |
| 706 gclog_or_tty = NULL; | |
| 707 defaultStream::instance = NULL; | |
| 708 } | |
| 709 | |
| 710 // ostream_abort() is called by os::abort() when VM is about to die. | |
| 711 void ostream_abort() { | |
| 712 // Here we can't delete gclog_or_tty and tty, just flush their output | |
| 713 if (gclog_or_tty) gclog_or_tty->flush(); | |
| 714 if (tty) tty->flush(); | |
| 715 | |
| 716 if (defaultStream::instance != NULL) { | |
| 717 static char buf[4096]; | |
| 718 defaultStream::instance->finish_log_on_error(buf, sizeof(buf)); | |
| 719 } | |
| 720 } | |
| 721 | |
| 722 staticBufferStream::staticBufferStream(char* buffer, size_t buflen, | |
| 723 outputStream *outer_stream) { | |
| 724 _buffer = buffer; | |
| 725 _buflen = buflen; | |
| 726 _outer_stream = outer_stream; | |
| 727 } | |
| 728 | |
| 729 void staticBufferStream::write(const char* c, size_t len) { | |
| 730 _outer_stream->print_raw(c, (int)len); | |
| 731 } | |
| 732 | |
| 733 void staticBufferStream::flush() { | |
| 734 _outer_stream->flush(); | |
| 735 } | |
| 736 | |
| 737 void staticBufferStream::print(const char* format, ...) { | |
| 738 va_list ap; | |
| 739 va_start(ap, format); | |
| 740 size_t len; | |
| 741 const char* str = do_vsnprintf(_buffer, _buflen, format, ap, false, len); | |
| 742 write(str, len); | |
| 743 va_end(ap); | |
| 744 } | |
| 745 | |
| 746 void staticBufferStream::print_cr(const char* format, ...) { | |
| 747 va_list ap; | |
| 748 va_start(ap, format); | |
| 749 size_t len; | |
| 750 const char* str = do_vsnprintf(_buffer, _buflen, format, ap, true, len); | |
| 751 write(str, len); | |
| 752 va_end(ap); | |
| 753 } | |
| 754 | |
| 755 void staticBufferStream::vprint(const char *format, va_list argptr) { | |
| 756 size_t len; | |
| 757 const char* str = do_vsnprintf(_buffer, _buflen, format, argptr, false, len); | |
| 758 write(str, len); | |
| 759 } | |
| 760 | |
| 761 void staticBufferStream::vprint_cr(const char* format, va_list argptr) { | |
| 762 size_t len; | |
| 763 const char* str = do_vsnprintf(_buffer, _buflen, format, argptr, true, len); | |
| 764 write(str, len); | |
| 765 } | |
| 766 | |
| 222 | 767 bufferedStream::bufferedStream(size_t initial_size, size_t bufmax) : outputStream() { |
| 0 | 768 buffer_length = initial_size; |
| 769 buffer = NEW_C_HEAP_ARRAY(char, buffer_length); | |
| 770 buffer_pos = 0; | |
| 771 buffer_fixed = false; | |
| 222 | 772 buffer_max = bufmax; |
| 0 | 773 } |
| 774 | |
| 222 | 775 bufferedStream::bufferedStream(char* fixed_buffer, size_t fixed_buffer_size, size_t bufmax) : outputStream() { |
| 0 | 776 buffer_length = fixed_buffer_size; |
| 777 buffer = fixed_buffer; | |
| 778 buffer_pos = 0; | |
| 779 buffer_fixed = true; | |
| 222 | 780 buffer_max = bufmax; |
| 0 | 781 } |
| 782 | |
| 783 void bufferedStream::write(const char* s, size_t len) { | |
| 222 | 784 |
| 785 if(buffer_pos + len > buffer_max) { | |
| 786 flush(); | |
| 787 } | |
| 788 | |
| 0 | 789 size_t end = buffer_pos + len; |
| 790 if (end >= buffer_length) { | |
| 791 if (buffer_fixed) { | |
| 792 // if buffer cannot resize, silently truncate | |
| 793 len = buffer_length - buffer_pos - 1; | |
| 794 } else { | |
| 795 // For small overruns, double the buffer. For larger ones, | |
| 796 // increase to the requested size. | |
| 797 if (end < buffer_length * 2) { | |
| 798 end = buffer_length * 2; | |
| 799 } | |
| 800 buffer = REALLOC_C_HEAP_ARRAY(char, buffer, end); | |
| 801 buffer_length = end; | |
| 802 } | |
| 803 } | |
| 804 memcpy(buffer + buffer_pos, s, len); | |
| 805 buffer_pos += len; | |
| 806 update_position(s, len); | |
| 807 } | |
| 808 | |
| 809 char* bufferedStream::as_string() { | |
| 810 char* copy = NEW_RESOURCE_ARRAY(char, buffer_pos+1); | |
| 811 strncpy(copy, buffer, buffer_pos); | |
| 812 copy[buffer_pos] = 0; // terminating null | |
| 813 return copy; | |
| 814 } | |
| 815 | |
| 816 bufferedStream::~bufferedStream() { | |
| 817 if (!buffer_fixed) { | |
| 818 FREE_C_HEAP_ARRAY(char, buffer); | |
| 819 } | |
| 820 } | |
| 821 | |
| 822 #ifndef PRODUCT | |
| 823 | |
| 824 #if defined(SOLARIS) || defined(LINUX) | |
| 825 #include <sys/types.h> | |
| 826 #include <sys/socket.h> | |
| 827 #include <netinet/in.h> | |
| 828 #include <arpa/inet.h> | |
| 829 #endif | |
| 830 | |
| 831 // Network access | |
| 222 | 832 networkStream::networkStream() : bufferedStream(1024*10, 1024*10) { |
| 0 | 833 |
| 834 _socket = -1; | |
| 835 | |
| 836 hpi::initialize_socket_library(); | |
| 837 | |
| 838 int result = hpi::socket(AF_INET, SOCK_STREAM, 0); | |
| 839 if (result <= 0) { | |
| 840 assert(false, "Socket could not be created!"); | |
| 841 } else { | |
| 842 _socket = result; | |
| 843 } | |
| 844 } | |
| 845 | |
| 846 int networkStream::read(char *buf, size_t len) { | |
| 847 return hpi::recv(_socket, buf, (int)len, 0); | |
| 848 } | |
| 849 | |
| 850 void networkStream::flush() { | |
| 851 if (size() != 0) { | |
| 222 | 852 int result = hpi::raw_send(_socket, (char *)base(), (int)size(), 0); |
| 853 assert(result != -1, "connection error"); | |
| 854 assert(result == (int)size(), "didn't send enough data"); | |
| 0 | 855 } |
| 856 reset(); | |
| 857 } | |
| 858 | |
| 859 networkStream::~networkStream() { | |
| 860 close(); | |
| 861 } | |
| 862 | |
| 863 void networkStream::close() { | |
| 864 if (_socket != -1) { | |
| 865 flush(); | |
| 866 hpi::socket_close(_socket); | |
| 867 _socket = -1; | |
| 868 } | |
| 869 } | |
| 870 | |
| 871 bool networkStream::connect(const char *ip, short port) { | |
| 872 | |
| 873 struct sockaddr_in server; | |
| 874 server.sin_family = AF_INET; | |
| 875 server.sin_port = htons(port); | |
| 876 | |
| 877 server.sin_addr.s_addr = inet_addr(ip); | |
|
80
092ea87cc974
6679422: networkStream::connect() in ostream.cpp is not 64-bit clean
jcoomes
parents:
0
diff
changeset
|
878 if (server.sin_addr.s_addr == (uint32_t)-1) { |
| 0 | 879 #ifdef _WINDOWS |
| 880 struct hostent* host = hpi::get_host_by_name((char*)ip); | |
| 881 #else | |
| 882 struct hostent* host = gethostbyname(ip); | |
| 883 #endif | |
| 884 if (host != NULL) { | |
| 885 memcpy(&server.sin_addr, host->h_addr_list[0], host->h_length); | |
| 886 } else { | |
| 887 return false; | |
| 888 } | |
| 889 } | |
| 890 | |
| 891 | |
| 892 int result = hpi::connect(_socket, (struct sockaddr*)&server, sizeof(struct sockaddr_in)); | |
| 893 return (result >= 0); | |
| 894 } | |
| 895 | |
| 896 #endif |