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(&s); 12 sigaddset(&s, SIGUSR1); 13 sigprocmask(SIG_BLOCK, &s, 0); 14 15 if (pid_t pid = fork()) { 16 kill(pid, SIGUSR1); 17 _exit(0); 18 } else { 19 siginfo_t info; 20 int res = sigwaitinfo(&s, &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
