commit d23f5206cf72ca3fb53ac3049649bb7d018232bf
author Elliott Hughes <enh@google.com> Fri Mar 30 19:50:04 2012 -0700
committer Elliott Hughes <enh@google.com> Fri Mar 30 19:50:04 2012 -0700
tree 24005b3acfa8fb80a6e6d0403ecfe40ec2ceda2d
parent c1503430c715f9d71cf4297a186a9a3442f5b9ee

Another crack at implementing a usable GetTid() for Mac OS 10.5...

Change-Id: Ic607bc99fa665e81bbbaea1ea0bd1b35f26196ba

src/utils.cc

diff --git a/src/utils.cc b/src/utils.cc
index 9a12b93..3751727 100644
--- a/src/utils.cc
+++ b/src/utils.cc
@@ -57,7 +57,9 @@
   return syscall(SYS_thread_selfid);
 #elif defined(__APPLE__)
   // On Mac OS 10.5 (which the build servers are still running) there was nothing usable.
-  return getpid();
+  // We know we build 32-bit binaries and that the pthread_t is a pointer that uniquely identifies
+  // the calling thread.
+  return reinterpret_cast<pid_t>(pthread_self());
 #else
   // Neither bionic nor glibc exposes gettid(2).
   return syscall(__NR_gettid);