1*7c3d14c8STreehugger Robot // RUN: %clangxx_msan -std=c++11 -O0 -g %s -o %t && %run %t 2*7c3d14c8STreehugger Robot 3*7c3d14c8STreehugger Robot #include <assert.h> 4*7c3d14c8STreehugger Robot #include <sanitizer/msan_interface.h> 5*7c3d14c8STreehugger Robot #include <signal.h> 6*7c3d14c8STreehugger Robot #include <sys/time.h> 7*7c3d14c8STreehugger Robot #include <unistd.h> 8*7c3d14c8STreehugger Robot test_sigwaitinfo()9*7c3d14c8STreehugger Robotvoid test_sigwaitinfo() { 10*7c3d14c8STreehugger Robot sigset_t s; 11*7c3d14c8STreehugger Robot sigemptyset(&s); 12*7c3d14c8STreehugger Robot sigaddset(&s, SIGUSR1); 13*7c3d14c8STreehugger Robot sigprocmask(SIG_BLOCK, &s, 0); 14*7c3d14c8STreehugger Robot 15*7c3d14c8STreehugger Robot if (pid_t pid = fork()) { 16*7c3d14c8STreehugger Robot kill(pid, SIGUSR1); 17*7c3d14c8STreehugger Robot _exit(0); 18*7c3d14c8STreehugger Robot } else { 19*7c3d14c8STreehugger Robot siginfo_t info; 20*7c3d14c8STreehugger Robot int res = sigwaitinfo(&s, &info); 21*7c3d14c8STreehugger Robot assert(!res); 22*7c3d14c8STreehugger Robot // The following checks that sig is initialized. 23*7c3d14c8STreehugger Robot assert(info.si_signo == SIGUSR1); 24*7c3d14c8STreehugger Robot assert(-1 == __msan_test_shadow(&info, sizeof(info))); 25*7c3d14c8STreehugger Robot } 26*7c3d14c8STreehugger Robot } 27*7c3d14c8STreehugger Robot main(void)28*7c3d14c8STreehugger Robotint main(void) { 29*7c3d14c8STreehugger Robot test_sigwaitinfo(); 30*7c3d14c8STreehugger Robot return 0; 31*7c3d14c8STreehugger Robot } 32