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8145934: Make ttyLocker equivalent for Unified Logging framework

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Reviewed-by: rprotacio, stuefe, jrose
This commit is contained in:
Marcus Larsson 2016-05-09 15:46:12 +02:00
parent c052a98d6f
commit 17dce93f31
21 changed files with 860 additions and 75 deletions
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54
hotspot/src/share/vm/logging/logFileStreamOutput.cpp
View file

@ -25,14 +25,13 @@
#include "logging/logDecorators.hpp"
#include "logging/logDecorations.hpp"
#include "logging/logFileStreamOutput.hpp"
#include "logging/logMessageBuffer.hpp"
#include "memory/allocation.inline.hpp"
LogStdoutOutput LogStdoutOutput::_instance;
LogStderrOutput LogStderrOutput::_instance;
int LogFileStreamOutput::write(const LogDecorations& decorations, const char* msg) {
char decoration_buf[LogDecorations::DecorationsBufferSize];
char* position = decoration_buf;
int LogFileStreamOutput::write_decorations(const LogDecorations& decorations) {
int total_written = 0;
for (uint i = 0; i < LogDecorators::Count; i++) {
@ -40,23 +39,50 @@ int LogFileStreamOutput::write(const LogDecorations& decorations, const char* ms
if (!_decorators.is_decorator(decorator)) {
continue;
}
int written = jio_snprintf(position, sizeof(decoration_buf) - total_written, "[%-*s]",
_decorator_padding[decorator],
decorations.decoration(decorator));
int written = jio_fprintf(_stream, "[%-*s]",
_decorator_padding[decorator],
decorations.decoration(decorator));
if (written <= 0) {
return -1;
} else if (static_cast<size_t>(written - 2) > _decorator_padding[decorator]) {
_decorator_padding[decorator] = written - 2;
}
position += written;
total_written += written;
}
if (total_written == 0) {
total_written = jio_fprintf(_stream, "%s\n", msg);
} else {
total_written = jio_fprintf(_stream, "%s %s\n", decoration_buf, msg);
}
fflush(_stream);
return total_written;
}
int LogFileStreamOutput::write(const LogDecorations& decorations, const char* msg) {
const bool use_decorations = !_decorators.is_empty();
int written = 0;
os::flockfile(_stream);
if (use_decorations) {
written += write_decorations(decorations);
written += jio_fprintf(_stream, " ");
}
written += jio_fprintf(_stream, "%s\n", msg);
fflush(_stream);
os::funlockfile(_stream);
return written;
}
int LogFileStreamOutput::write(LogMessageBuffer::Iterator msg_iterator) {
const bool use_decorations = !_decorators.is_empty();
int written = 0;
os::flockfile(_stream);
for (; !msg_iterator.is_at_end(); msg_iterator++) {
if (use_decorations) {
written += write_decorations(msg_iterator.decorations());
written += jio_fprintf(_stream, " ");
}
written += jio_fprintf(_stream, "%s\n", msg_iterator.message());
}
fflush(_stream);
os::funlockfile(_stream);
return written;
}