xref: /llvm-project/compiler-rt/test/tsan/signal_exit.cpp (revision 20ee72d4ccb17c6f32641c690fa129475427ae45) 
1 // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
2 #include "test.h"
3 #include <signal.h>
4 #include <sys/types.h>
5 
handler(int,siginfo_t *,void *)6 static void handler(int, siginfo_t *, void *) {
7   write(2, "SIGNAL\n", 7);
8   // CHECK: SIGNAL
9   _exit(0);
10   // CHECK-NOT: ThreadSanitizer: signal-unsafe call
11 }
12 
main()13 int main() {
14   struct sigaction act = {};
15   act.sa_sigaction = &handler;
16   act.sa_flags = SA_SIGINFO;
17   sigaction(SIGPROF, &act, 0);
18   raise(SIGPROF);
19   fprintf(stderr, "DONE\n");
20   // CHECK-NOT: DONE
21   return 0;
22 }
23