231 "%s is not a regular file",
232 _file_name, _file_name);
233 return false;
234 }
235 _current_file = next_file_number(_file_name,
236 _file_count_max_digits,
237 _file_count,
238 errstream);
239 if (_current_file == UINT_MAX) {
240 return false;
241 }
242 log_trace(logging)("Existing log file found, saving it as '%s.%0*u'",
243 _file_name, _file_count_max_digits, _current_file);
244 archive();
245 increment_file_count();
246 }
247
248 _stream = os::fopen(_file_name, FileOpenMode);
249 if (_stream == NULL) {
250 errstream->print_cr("Error opening log file '%s': %s",
251 _file_name, strerror(errno));
252 return false;
253 }
254
255 if (_file_count == 0 && is_regular_file(_file_name)) {
256 log_trace(logging)("Truncating log file");
257 os::ftruncate(os::get_fileno(_stream), 0);
258 }
259
260 return true;
261 }
262
263 int LogFileOutput::write(const LogDecorations& decorations, const char* msg) {
264 if (_stream == NULL) {
265 // An error has occurred with this output, avoid writing to it.
266 return 0;
267 }
268
269 _rotation_semaphore.wait();
270 int written = LogFileStreamOutput::write(decorations, msg);
271 _current_size += written;
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231 "%s is not a regular file",
232 _file_name, _file_name);
233 return false;
234 }
235 _current_file = next_file_number(_file_name,
236 _file_count_max_digits,
237 _file_count,
238 errstream);
239 if (_current_file == UINT_MAX) {
240 return false;
241 }
242 log_trace(logging)("Existing log file found, saving it as '%s.%0*u'",
243 _file_name, _file_count_max_digits, _current_file);
244 archive();
245 increment_file_count();
246 }
247
248 _stream = os::fopen(_file_name, FileOpenMode);
249 if (_stream == NULL) {
250 errstream->print_cr("Error opening log file '%s': %s",
251 _file_name, os::strerror(errno));
252 return false;
253 }
254
255 if (_file_count == 0 && is_regular_file(_file_name)) {
256 log_trace(logging)("Truncating log file");
257 os::ftruncate(os::get_fileno(_stream), 0);
258 }
259
260 return true;
261 }
262
263 int LogFileOutput::write(const LogDecorations& decorations, const char* msg) {
264 if (_stream == NULL) {
265 // An error has occurred with this output, avoid writing to it.
266 return 0;
267 }
268
269 _rotation_semaphore.wait();
270 int written = LogFileStreamOutput::write(decorations, msg);
271 _current_size += written;
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