memory_replay: fix pthread_create error checking.

posix_ and pthread_ functions [almost all] return positive errno values
on failure.

Test: builds
Change-Id: Ief1dafdc4fb972f396714ea1ed42183e317c3390

1 files changed, 1 insertions, 1 deletions

diff --git a/memory_replay/Threads.cpp b/memory_replay/Threads.cpp
index 81a679e9..03c5d9cb 100644
--- a/memory_replay/Threads.cpp
+++ b/memory_replay/Threads.cpp
@@ -85,7 +85,7 @@ Thread* Threads::CreateThread(pid_t tid) {
   thread->tid_ = tid;
   thread->pointers_ = pointers_;
   thread->total_time_nsecs_ = 0;
-  if (pthread_create(&thread->thread_id_, nullptr, ThreadRunner, thread) == -1) {
+  if ((errno = pthread_create(&thread->thread_id_, nullptr, ThreadRunner, thread)) != 0) {
     err(1, "Failed to create thread %d: %s\n", tid, strerror(errno));
   }