{
int pid, tid, ret;
sigset_t set;
- __syscall(SYS_rt_sigprocmask, SIG_BLOCK, SIGALL_SET, &set, _NSIG/8);
+ __block_app_sigs(&set);
tid = __syscall(SYS_gettid);
pid = __syscall(SYS_getpid);
ret = syscall(SYS_tgkill, pid, tid, sig);
- __syscall(SYS_rt_sigprocmask, SIG_SETMASK, &set, 0, _NSIG/8);
+ __restore_sigs(&set);
return ret;
}