Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/tsan/fd_pipe_race.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* { dg-shouldfail "tsan" } */ /* { dg-additional-options "-ldl" } */ #include <pthread.h> #include <unistd.h> #include "tsan_barrier.h" static pthread_barrier_t barrier; int fds[2]; void *Thread1(void *x) { write(fds[1], "a", 1); barrier_wait(&barrier); return NULL; } void *Thread2(void *x) { barrier_wait(&barrier); close(fds[0]); close(fds[1]); return NULL; } int main() { barrier_init(&barrier, 2); pipe(fds); pthread_t t[2]; pthread_create(&t[0], NULL, Thread1, NULL); pthread_create(&t[1], NULL, Thread2, NULL); pthread_join(t[0], NULL); pthread_join(t[1], NULL); return 0; } /* { dg-output "WARNING: ThreadSanitizer: data race.*\n" } */ /* { dg-output " Write of size 8.*\n" } */ /* { dg-output " #0 close.*\n" } */ /* { dg-output " #1 Thread2.*\n" } */ /* { dg-output " Previous read of size 8.*\n" } */ /* { dg-output " #0 write.*\n" } */ /* { dg-output " #1 Thread1.*\n" } */