| 1 | // RUN: %clangxx_msan -std=c++11 -O0 -g %s -o %t && %run %t |
|---|---|
| 2 | |
| 3 | #include <assert.h> |
| 4 | #include <sanitizer/msan_interface.h> |
| 5 | #include <signal.h> |
| 6 | #include <sys/time.h> |
| 7 | #include <unistd.h> |
| 8 | |
| 9 | void test_sigwaitinfo() { |
| 10 | sigset_t s; |
| 11 | sigemptyset(set: &s); |
| 12 | sigaddset(set: &s, SIGUSR1); |
| 13 | sigprocmask(SIG_BLOCK, set: &s, oset: 0); |
| 14 | |
| 15 | if (pid_t pid = fork()) { |
| 16 | kill(pid: pid, SIGUSR1); |
| 17 | _exit(status: 0); |
| 18 | } else { |
| 19 | siginfo_t info; |
| 20 | int res = sigwaitinfo(set: &s, info: &info); |
| 21 | assert(!res); |
| 22 | // The following checks that sig is initialized. |
| 23 | assert(info.si_signo == SIGUSR1); |
| 24 | assert(-1 == __msan_test_shadow(&info, sizeof(info))); |
| 25 | } |
| 26 | } |
| 27 | |
| 28 | int main(void) { |
| 29 | test_sigwaitinfo(); |
| 30 | return 0; |
| 31 | } |
| 32 |