diff options
Diffstat (limited to 'lib/msan/lit_tests/sigwaitinfo.cc')
-rw-r--r-- | lib/msan/lit_tests/sigwaitinfo.cc | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/msan/lit_tests/sigwaitinfo.cc b/lib/msan/lit_tests/sigwaitinfo.cc new file mode 100644 index 000000000000..d4f004598a62 --- /dev/null +++ b/lib/msan/lit_tests/sigwaitinfo.cc @@ -0,0 +1,31 @@ +// RUN: %clangxx_msan -std=c++11 -O0 -g %s -o %t && %t + +#include <assert.h> +#include <sanitizer/msan_interface.h> +#include <signal.h> +#include <sys/time.h> +#include <unistd.h> + +void test_sigwaitinfo() { + sigset_t s; + sigemptyset(&s); + sigaddset(&s, SIGUSR1); + sigprocmask(SIG_BLOCK, &s, 0); + + if (pid_t pid = fork()) { + kill(pid, SIGUSR1); + _exit(0); + } else { + siginfo_t info; + int res = sigwaitinfo(&s, &info); + assert(!res); + // The following checks that sig is initialized. + assert(info.si_signo == SIGUSR1); + assert(-1 == __msan_test_shadow(&info, sizeof(info))); + } +} + +int main(void) { + test_sigwaitinfo(); + return 0; +} |