tsan: fix epoll_ctl interceptor
Currently data-race-test unittests fail with the following false positive:
WARNING: ThreadSanitizer: data race (pid=20365)
Write of size 8 at 0x7da000008050 by thread T54:
#0 close tsan_interceptors.cc:1483 (racecheck_unittest-linux-amd64-O0+0x0000000eb34a)
#1 NegativeTests_epoll::Worker2() unittest/posix_tests.cc:1148 (racecheck_unittest-linux-amd64-O0+0x0000000cc6b1)
#2 MyThread::ThreadBody(MyThread*) unittest/./thread_wrappers_pthread.h:367 (racecheck_unittest-linux-amd64-O0+0x000000097500)
Previous read of size 8 at 0x7da000008050 by thread T49:
#0 epoll_ctl tsan_interceptors.cc:1646 (racecheck_unittest-linux-amd64-O0+0x0000000e9fee)
#1 NegativeTests_epoll::Worker1() unittest/posix_tests.cc:1140 (racecheck_unittest-linux-amd64-O0+0x0000000cc5b5)
#2 MyThread::ThreadBody(MyThread*) unittest/./thread_wrappers_pthread.h:367 (racecheck_unittest-linux-amd64-O0+0x000000097500)
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@192448 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed