Update Crashpad to 4a2043ea65e2641ef1a921801c0aaa15ada02fc7

third_party/crashpad/crashpad/util/thread/thread_posix.cc

Index: third_party/crashpad/crashpad/util/thread/thread_posix.cc
diff --git a/third_party/crashpad/crashpad/util/thread/thread_posix.cc b/third_party/crashpad/crashpad/util/thread/thread_posix.cc
index 7142c78685c6f2d6d62591a86b558ce04dd158b1..58a9874766405132d58405db79c0bc6017f74e9b 100644
--- a/third_party/crashpad/crashpad/util/thread/thread_posix.cc
+++ b/third_party/crashpad/crashpad/util/thread/thread_posix.cc
@@ -14,20 +14,22 @@
 
 #include "util/thread/thread.h"
 
+#include <errno.h>
+
 #include "base/logging.h"
 
 namespace crashpad {
 
 void Thread::Start() {
   DCHECK(!platform_thread_);
-  int rv = pthread_create(&platform_thread_, nullptr, ThreadEntryThunk, this);
-  PCHECK(0 == rv);
+  errno = pthread_create(&platform_thread_, nullptr, ThreadEntryThunk, this);
+  PCHECK(errno == 0) << "pthread_create";
 }
 
 void Thread::Join() {
   DCHECK(platform_thread_);
-  int rv = pthread_join(platform_thread_, nullptr);
-  PCHECK(0 == rv);
+  errno = pthread_join(platform_thread_, nullptr);
+  PCHECK(errno == 0) << "pthread_join";
   platform_thread_ = 0;
 }