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src/share/vm/logging/logStream.cpp
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rev 13113 : imported patch 8181917-refactor-ul-logstream
rev 13114 : imported patch 8181917-refactor-ul-logstream-changes-2
rev 13115 : [mq]: 8181917-refactor-ul-logstream-changes-3
*** 22,34 ****
*
*/
#include "precompiled.hpp"
#include "logging/log.hpp"
! #include "logging/logStream.inline.hpp"
! // Create a log stream without an embedded ResourceMark.
! // The function is placed here to be called out-of-line in log.hpp.
! outputStream* create_log_stream(LogLevelType level, LogTagSet* tagset) {
! return new LogStreamNoResourceMark(level, tagset);
}
--- 22,84 ----
*
*/
#include "precompiled.hpp"
#include "logging/log.hpp"
! #include "logging/logStream.hpp"
! LogStream::LineBuffer::LineBuffer()
! : _buf(_smallbuf), _cap(sizeof(_smallbuf)), _pos(0)
! {
! _buf[0] = '\0';
! }
!
! LogStream::LineBuffer::~LineBuffer() {
! assert(_pos == 0, "still outstanding bytes in the line buffer");
! if (_buf != _smallbuf) {
! os::free(_buf);
! }
! }
!
! void LogStream::LineBuffer::ensure_cap(size_t atleast) {
! assert(_cap >= sizeof(_smallbuf), "sanity");
! if (_cap < atleast) {
! const size_t newcap = MAX2(_cap * 2, atleast * 2);
! char* const newbuf = (char*) os::malloc(newcap, mtLogging);
! if (_pos > 0) { // preserve old content
! memcpy(newbuf, _buf, _pos + 1); // ..including trailing zero
! }
! if (_buf != _smallbuf) {
! os::free(_buf);
! }
! _buf = newbuf;
! _cap = newcap;
! }
! assert(_cap >= atleast, "sanity");
! }
!
! void LogStream::LineBuffer::append(const char* s, size_t len) {
! assert(_buf[_pos] == '\0', "sanity");
! ensure_cap(_pos + len + 1);
! assert(_cap >= _pos + len + 1, "sanity");
! memcpy(_buf + _pos, s, len);
! _pos += len;
! _buf[_pos] = '\0';
! }
!
! void LogStream::LineBuffer::reset() {
! _pos = 0;
! _buf[_pos] = '\0';
! }
!
! void LogStream::write(const char* s, size_t len) {
!
! if (len > 0 && s[len - 1] == '\n') {
! _current_line.append(s, len - 1); // omit the newline.
! _log_handle.print("%s", _current_line.ptr());
! _current_line.reset();
! } else {
! _current_line.append(s, len);
! }
! update_position(s, len);
}
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