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comparison src/share/vm/utilities/ostream.hpp @ 18041:52b4284cb496

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Merge with jdk8u20-b26
author Gilles Duboscq <duboscq@ssw.jku.at>
date Wed, 15 Oct 2014 16:02:50 +0200
parents 89152779163c 78bbf4d43a14
children 7848fc12602b
comparison
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17606:45d7b2c7029d 18041:52b4284cb496
1 /* 1 /*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
51 51
52 void update_position(const char* s, size_t len); 52 void update_position(const char* s, size_t len);
53 static const char* do_vsnprintf(char* buffer, size_t buflen, 53 static const char* do_vsnprintf(char* buffer, size_t buflen,
54 const char* format, va_list ap, 54 const char* format, va_list ap,
55 bool add_cr, 55 bool add_cr,
56 size_t& result_len); 56 size_t& result_len) ATTRIBUTE_PRINTF(3, 0);
57 57
58 public: 58 public:
59 // creation 59 // creation
60 outputStream(int width = 80); 60 outputStream(int width = 80);
61 outputStream(int width, bool has_time_stamps); 61 outputStream(int width, bool has_time_stamps);
78 julong count() const { return _precount + _position; } 78 julong count() const { return _precount + _position; }
79 void set_count(julong count) { _precount = count - _position; } 79 void set_count(julong count) { _precount = count - _position; }
80 void set_position(int pos) { _position = pos; } 80 void set_position(int pos) { _position = pos; }
81 81
82 // printing 82 // printing
83 void print(const char* format, ...); 83 void print(const char* format, ...) ATTRIBUTE_PRINTF(2, 3);
84 void print_cr(const char* format, ...); 84 void print_cr(const char* format, ...) ATTRIBUTE_PRINTF(2, 3);
85 void vprint(const char *format, va_list argptr); 85 void vprint(const char *format, va_list argptr) ATTRIBUTE_PRINTF(2, 0);
86 void vprint_cr(const char* format, va_list argptr); 86 void vprint_cr(const char* format, va_list argptr) ATTRIBUTE_PRINTF(2, 0);
87 void print_raw(const char* str) { write(str, strlen(str)); } 87 void print_raw(const char* str) { write(str, strlen(str)); }
88 void print_raw(const char* str, int len) { write(str, len); } 88 void print_raw(const char* str, int len) { write(str, len); }
89 void print_raw_cr(const char* str) { write(str, strlen(str)); cr(); } 89 void print_raw_cr(const char* str) { write(str, strlen(str)); cr(); }
90 void print_raw_cr(const char* str, int len){ write(str, len); cr(); } 90 void print_raw_cr(const char* str, int len){ write(str, len); cr(); }
91 void print_data(void* data, size_t len, bool with_ascii); 91 void print_data(void* data, size_t len, bool with_ascii);
113 void print_julong(julong value); 113 void print_julong(julong value);
114 114
115 // flushing 115 // flushing
116 virtual void flush() {} 116 virtual void flush() {}
117 virtual void write(const char* str, size_t len) = 0; 117 virtual void write(const char* str, size_t len) = 0;
118 virtual void rotate_log() {} // GC log rotation 118 virtual void rotate_log(bool force, outputStream* out = NULL) {} // GC log rotation
119 virtual ~outputStream() {} // close properly on deletion 119 virtual ~outputStream() {} // close properly on deletion
120 120
121 void dec_cr() { dec(); cr(); } 121 void dec_cr() { dec(); cr(); }
122 void inc_cr() { inc(); cr(); } 122 void inc_cr() { inc(); cr(); }
123 }; 123 };
238 uintx _cur_file_num; // current logfile rotation number, from 0 to NumberOfGCLogFiles-1 238 uintx _cur_file_num; // current logfile rotation number, from 0 to NumberOfGCLogFiles-1
239 public: 239 public:
240 gcLogFileStream(const char* file_name); 240 gcLogFileStream(const char* file_name);
241 ~gcLogFileStream(); 241 ~gcLogFileStream();
242 virtual void write(const char* c, size_t len); 242 virtual void write(const char* c, size_t len);
243 virtual void rotate_log(); 243 virtual void rotate_log(bool force, outputStream* out = NULL);
244 void dump_loggc_header(); 244 void dump_loggc_header();
245
246 /* If "force" sets true, force log file rotation from outside JVM */
247 bool should_rotate(bool force) {
248 return force ||
249 ((GCLogFileSize != 0) && ((uintx)_bytes_written >= GCLogFileSize));
250 }
251
245 }; 252 };
246 253
247 #ifndef PRODUCT 254 #ifndef PRODUCT
248 // unit test for checking -Xloggc:<filename> parsing result 255 // unit test for checking -Xloggc:<filename> parsing result
249 void test_loggc_filename(); 256 void test_loggc_filename();
266 staticBufferStream(char* buffer, size_t buflen, 273 staticBufferStream(char* buffer, size_t buflen,
267 outputStream *outer_stream); 274 outputStream *outer_stream);
268 ~staticBufferStream() {}; 275 ~staticBufferStream() {};
269 virtual void write(const char* c, size_t len); 276 virtual void write(const char* c, size_t len);
270 void flush(); 277 void flush();
271 void print(const char* format, ...); 278 void print(const char* format, ...) ATTRIBUTE_PRINTF(2, 3);
272 void print_cr(const char* format, ...); 279 void print_cr(const char* format, ...) ATTRIBUTE_PRINTF(2, 3);
273 void vprint(const char *format, va_list argptr); 280 void vprint(const char *format, va_list argptr) ATTRIBUTE_PRINTF(2, 0);
274 void vprint_cr(const char* format, va_list argptr); 281 void vprint_cr(const char* format, va_list argptr) ATTRIBUTE_PRINTF(2, 0);
275 }; 282 };
276 283
277 // In the non-fixed buffer case an underlying buffer will be created and 284 // In the non-fixed buffer case an underlying buffer will be created and
278 // managed in C heap. Not MT-safe. 285 // managed in C heap. Not MT-safe.
279 class bufferedStream : public outputStream { 286 class bufferedStream : public outputStream {