- sigfillset(&set);
- __sigprocmask(SIG_BLOCK, &set, &set);
- tid = syscall0(__NR_gettid);
- pid = syscall0(__NR_getpid);
- ret = syscall3(__NR_tgkill, pid, tid, sig);
- __sigprocmask(SIG_SETMASK, &set, 0);
+ __block_app_sigs(&set);
+ tid = __syscall(SYS_gettid);
+ pid = __syscall(SYS_getpid);
+ ret = syscall(SYS_tgkill, pid, tid, sig);
+ __restore_sigs(&set);