cosmopolitan/examples/pause.c
2024-09-11 03:49:29 -07:00

33 lines
1.2 KiB
C

#if 0
/*─────────────────────────────────────────────────────────────────╗
│ To the extent possible under law, Justine Tunney has waived │
│ all copyright and related or neighboring rights to this file, │
│ as it is written in the following disclaimers: │
│ • http://unlicense.org/ │
│ • http://creativecommons.org/publicdomain/zero/1.0/ │
╚─────────────────────────────────────────────────────────────────*/
#endif
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
volatile int g_sig;
void OnSig(int sig) {
g_sig = sig;
}
int main(int argc, char *argv[]) {
// listen for all signals
for (int sig = 1; sig <= NSIG; ++sig)
signal(sig, OnSig);
// wait for a signal
printf("waiting for signal to be sent to my pid %d\n", getpid());
pause();
// report the signal
printf("got %s\n", strsignal(g_sig));
}