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Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/tsan/fd_pipe_race.c')
-rw-r--r--gcc-4.9/gcc/testsuite/c-c++-common/tsan/fd_pipe_race.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/fd_pipe_race.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/fd_pipe_race.c
new file mode 100644
index 000000000..28cd630d2
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/fd_pipe_race.c
@@ -0,0 +1,36 @@
+/* { dg-shouldfail "tsan" } */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int fds[2];
+
+void *Thread1(void *x) {
+ write(fds[1], "a", 1);
+ return NULL;
+}
+
+void *Thread2(void *x) {
+ sleep(1);
+ close(fds[0]);
+ close(fds[1]);
+ return NULL;
+}
+
+int main() {
+ 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);
+}
+
+/* { 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" } */