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Diffstat (limited to 'third_party/glog/src/raw_logging.cc')
| -rw-r--r-- | third_party/glog/src/raw_logging.cc | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/third_party/glog/src/raw_logging.cc b/third_party/glog/src/raw_logging.cc deleted file mode 100644 index ba65961e9053..000000000000 --- a/third_party/glog/src/raw_logging.cc +++ /dev/null @@ -1,158 +0,0 @@ -// Copyright (c) 2006, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Author: Maxim Lifantsev -// -// logging_unittest.cc covers the functionality herein - -#include "utilities.h" - -#include <stdarg.h> -#include <stdio.h> -#include <errno.h> -#ifdef HAVE_UNISTD_H -# include <unistd.h> // for close() and write() -#endif -#include <fcntl.h> // for open() -#include <time.h> -#include "config.h" -#include "glog/logging.h" // To pick up flag settings etc. -#include "glog/raw_logging.h" -#include "base/commandlineflags.h" - -#ifdef HAVE_STACKTRACE -# include "stacktrace.h" -#endif - -#if defined(HAVE_SYSCALL_H) -#include <syscall.h> // for syscall() -#elif defined(HAVE_SYS_SYSCALL_H) -#include <sys/syscall.h> // for syscall() -#endif -#ifdef HAVE_UNISTD_H -# include <unistd.h> -#endif - -#if defined(HAVE_SYSCALL_H) || defined(HAVE_SYS_SYSCALL_H) -# define safe_write(fd, s, len) syscall(SYS_write, fd, s, len) -#else - // Not so safe, but what can you do? -# define safe_write(fd, s, len) write(fd, s, len) -#endif - -_START_GOOGLE_NAMESPACE_ - -// CAVEAT: vsnprintf called from *DoRawLog below has some (exotic) code paths -// that invoke malloc() and getenv() that might acquire some locks. -// If this becomes a problem we should reimplement a subset of vsnprintf -// that does not need locks and malloc. - -// Helper for RawLog__ below. -// *DoRawLog writes to *buf of *size and move them past the written portion. -// It returns true iff there was no overflow or error. -static bool DoRawLog(char** buf, int* size, const char* format, ...) { - va_list ap; - va_start(ap, format); - int n = vsnprintf(*buf, *size, format, ap); - va_end(ap); - if (n < 0 || n > *size) return false; - *size -= n; - *buf += n; - return true; -} - -// Helper for RawLog__ below. -inline static bool VADoRawLog(char** buf, int* size, - const char* format, va_list ap) { - int n = vsnprintf(*buf, *size, format, ap); - if (n < 0 || n > *size) return false; - *size -= n; - *buf += n; - return true; -} - -static const int kLogBufSize = 3000; -static bool crashed = false; -static CrashReason crash_reason; -static char crash_buf[kLogBufSize + 1] = { 0 }; // Will end in '\0' - -void RawLog__(LogSeverity severity, const char* file, int line, - const char* format, ...) { - if (!(FLAGS_logtostderr || severity >= FLAGS_stderrthreshold || - FLAGS_alsologtostderr || !IsGoogleLoggingInitialized())) { - return; // this stderr log message is suppressed - } - // can't call localtime_r here: it can allocate - char buffer[kLogBufSize]; - char* buf = buffer; - int size = sizeof(buffer); - - // NOTE: this format should match the specification in base/logging.h - DoRawLog(&buf, &size, "%c00000000 00:00:00.000000 %5u %s:%d] RAW: ", - LogSeverityNames[severity][0], - static_cast<unsigned int>(GetTID()), - const_basename(const_cast<char *>(file)), line); - - // Record the position and size of the buffer after the prefix - const char* msg_start = buf; - const int msg_size = size; - - va_list ap; - va_start(ap, format); - bool no_chop = VADoRawLog(&buf, &size, format, ap); - va_end(ap); - if (no_chop) { - DoRawLog(&buf, &size, "\n"); - } else { - DoRawLog(&buf, &size, "RAW_LOG ERROR: The Message was too long!\n"); - } - // We make a raw syscall to write directly to the stderr file descriptor, - // avoiding FILE buffering (to avoid invoking malloc()), and bypassing - // libc (to side-step any libc interception). - // We write just once to avoid races with other invocations of RawLog__. - safe_write(STDERR_FILENO, buffer, strlen(buffer)); - if (severity == GLOG_FATAL) { - if (!sync_val_compare_and_swap(&crashed, false, true)) { - crash_reason.filename = file; - crash_reason.line_number = line; - memcpy(crash_buf, msg_start, msg_size); // Don't include prefix - crash_reason.message = crash_buf; -#ifdef HAVE_STACKTRACE - crash_reason.depth = - GetStackTrace(crash_reason.stack, ARRAYSIZE(crash_reason.stack), 1); -#else - crash_reason.depth = 0; -#endif - SetCrashReason(&crash_reason); - } - LogMessage::Fail(); // abort() - } -} - -_END_GOOGLE_NAMESPACE_ |