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_sigwait() { 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 int sig; 20 int res = sigwait(&s, &sig); 21 assert(!res); 22 // The following checks that sig is initialized. 23 assert(sig == SIGUSR1); 24 } 25 } 26 27 int main(void) { 28 test_sigwait(); 29 return 0; 30 } 31
