commit 55d5ea6b59c15d9da9f7552a557628f2c84b7c92
author Elliott Hughes <enh@google.com> Wed May 30 16:51:53 2012 -0700
committer Elliott Hughes <enh@google.com> Thu May 31 11:26:55 2012 -0700
tree a37beb5c1f6546dad5647c5ed7d799df2c6b1320
parent b45a1f5c0d70c3694fbf941a5419e2eaa5dcfb80

Make strace(1) output more readable by using a single write(2) for logging.

(cherry picked from commit 873bbb0cbffee29a933747a00832b2995a85b0c6)

Change-Id: Ib01a9d4211161b09fb1c63a39df6223aaf610a53

src/logging_linux.cc

diff --git a/src/logging_linux.cc b/src/logging_linux.cc
index b90ec36..5bb8764 100644
--- a/src/logging_linux.cc
+++ b/src/logging_linux.cc
@@ -34,10 +34,9 @@
 }
 
 void LogMessage::LogLine(const char* message) {
-  std::ostream& os(std::cerr);
-  os << "VDIWEFF"[data_->severity] << ' '
-     << StringPrintf("%5d %5d", getpid(), ::art::GetTid()) << ' '
-     << data_->file << ':' << data_->line_number << "] " << message << "\n" << std::flush;
+  char severity = "VDIWEFF"[data_->severity];
+  fprintf(stderr, "%c %5d %5d %s:%d] %s\n", severity, getpid(), ::art::GetTid(),
+          data_->file, data_->line_number, message);
 }
 
 }  // namespace art