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| author | Vedant Kumar <vsk@apple.com> | 2016-03-05 20:10:25 +0000 |
|---|---|---|
| committer | Vedant Kumar <vsk@apple.com> | 2016-03-05 20:10:25 +0000 |
| commit | e55855f3628fd45d15b04e6973933b5d79a4b4a5 (patch) | |
| tree | 65514dcd0b94a043507375a1a4c349208844aa0b | |
| parent | 42083810162e4903115f5632e98fd78f25682c83 (diff) | |
| download | bcm5719-llvm-e55855f3628fd45d15b04e6973933b5d79a4b4a5.tar.gz bcm5719-llvm-e55855f3628fd45d15b04e6973933b5d79a4b4a5.zip | |
[GCDA] Unlock arc file before closing it
The GCDA writer closed the arc file before unlocking it. This causes an
EBADF while unlocking the file, and opens us up to racy behavior.
Fixes PR26847.
llvm-svn: 262779
| -rw-r--r-- | compiler-rt/lib/profile/GCDAProfiling.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler-rt/lib/profile/GCDAProfiling.c b/compiler-rt/lib/profile/GCDAProfiling.c index 44c0569e09d..1079f242406 100644 --- a/compiler-rt/lib/profile/GCDAProfiling.c +++ b/compiler-rt/lib/profile/GCDAProfiling.c @@ -486,8 +486,8 @@ void llvm_gcda_end_file() { unmap_file(); } - fclose(output_file); flock(fd, LOCK_UN); + fclose(output_file); output_file = NULL; write_buffer = NULL; } |
