diff options
Diffstat (limited to 'test/tsan/signal_malloc.cc')
-rw-r--r-- | test/tsan/signal_malloc.cc | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/tsan/signal_malloc.cc b/test/tsan/signal_malloc.cc new file mode 100644 index 000000000..ef180b8a2 --- /dev/null +++ b/test/tsan/signal_malloc.cc @@ -0,0 +1,26 @@ +// RUN: %clang_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s +#include <stdio.h> +#include <stdlib.h> +#include <signal.h> +#include <sys/types.h> +#include <unistd.h> + +static void handler(int, siginfo_t*, void*) { + // CHECK: WARNING: ThreadSanitizer: signal-unsafe call inside of a signal + // CHECK: #0 malloc + // CHECK: #{{(1|2)}} handler(int, siginfo{{(_t)?}}*, void*) {{.*}}signal_malloc.cc:[[@LINE+2]] + // CHECK: SUMMARY: ThreadSanitizer: signal-unsafe call inside of a signal{{.*}}handler + volatile char *p = (char*)malloc(1); + p[0] = 0; + free((void*)p); +} + +int main() { + struct sigaction act = {}; + act.sa_sigaction = &handler; + sigaction(SIGPROF, &act, 0); + kill(getpid(), SIGPROF); + sleep(1); + return 0; +} + |