| /* |
| * Check that strace output contains RT_1 RT_3 RT_31 RT_32 here: |
| * rt_sigprocmask(SIG_BLOCK, [CHLD RT_1 RT_3 RT_31 RT_32], NULL, 8) = 0 |
| * and here: |
| * sigreturn() (mask [CHLD RT_1 RT_3 RT_31 RT_32]) = 0 |
| * |
| * On x86, both 32-bit and 64-bit strace needs to be checked. |
| */ |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <signal.h> |
| |
| void null_handler(int sig) |
| { |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| sigset_t set; |
| sigemptyset(&set); |
| sigaddset(&set, SIGCHLD); |
| sigaddset(&set, 33); |
| sigaddset(&set, 35); |
| sigaddset(&set, 63); |
| sigaddset(&set, 64); |
| sigprocmask(SIG_BLOCK, &set, NULL); |
| signal(SIGWINCH, null_handler); |
| raise(SIGWINCH); |
| return 0; |
| } |