- __syscall(SYS_rt_sigprocmask, SIG_BLOCK, (uint64_t[]){-1}, &set, 8);
- tid = syscall(SYS_gettid);
- pid = syscall(SYS_getpid);
- ret = syscall(SYS_tgkill, pid, tid, sig);
- __syscall(SYS_rt_sigprocmask, SIG_SETMASK, &set, 0, 8);
+ __block_app_sigs(&set);
+ int ret = syscall(SYS_tkill, __pthread_self()->tid, sig);
+ __restore_sigs(&set);