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#include <errno.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <signal.h> | |
#include <sys/prctl.h> | |
pid_t pid1; | |
void mhandler(int signum) { | |
fprintf(stderr, "parent got signal %d\n", signum); | |
if (pid1 > 0) { | |
kill(pid1, signum); | |
} | |
} | |
int main(int argc, char *argv[]) { | |
pid1 = fork(); | |
if (pid1 == 0) { | |
prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); | |
execv("something", argv); | |
} else { | |
signal(SIGINT, mhandler); | |
signal(SIGHUP, mhandler); | |
signal(SIGTERM, mhandler); | |
int status = 0; | |
if (waitpid(pid1, &status, NULL) == -1) { | |
exit(1); | |
} | |
} | |
return 0; | |
} |
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