| #include <signal.h> | |
| #include "syscall.h" | |
| void (*signal(int sig, void (*func)(int)))(int) | |
| { | |
| struct sigaction sa_old, sa = { .sa_handler = func, .sa_flags = SA_RESTART }; | |
| if (__sigaction(sig, &sa, &sa_old) < 0) | |
| return SIG_ERR; | |
| return sa_old.sa_handler; | |
| } | |
| weak_alias(signal, bsd_signal); | |
| weak_alias(signal, __sysv_signal); |