| // RUN: %clangxx -O1 %s -o %t && %env_tool_opts=handle_sigtrap=1 %run %t 2>&1 | FileCheck %s |
| |
| #include <assert.h> |
| #include <signal.h> |
| #include <stdio.h> |
| |
| int handled; |
| |
| void handler(int signo, siginfo_t *info, void *uctx) { |
| handled = 1; |
| } |
| |
| int main() { |
| struct sigaction a = {}, old = {}; |
| a.sa_sigaction = handler; |
| a.sa_flags = SA_SIGINFO; |
| sigaction(SIGTRAP, &a, &old); |
| |
| a = {}; |
| sigaction(SIGTRAP, 0, &a); |
| assert(a.sa_sigaction == handler); |
| assert(a.sa_flags & SA_SIGINFO); |
| |
| __builtin_debugtrap(); |
| assert(handled); |
| fprintf(stderr, "HANDLED %d\n", handled); |
| } |
| |
| // CHECK: HANDLED 1 |
