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minimal init daemon by rich felker, author of musl libc
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#define _XOPEN_SOURCE 700 | |
#include <signal.h> | |
#include <unistd.h> | |
int main() | |
{ | |
sigset_t set; | |
int status; | |
if (getpid() != 1) return 1; | |
sigfillset(&set); | |
sigprocmask(SIG_BLOCK, &set, 0); | |
if (fork()) for (;;) wait(&status); | |
sigprocmask(SIG_UNBLOCK, &set, 0); | |
setsid(); | |
setpgid(0, 0); | |
return execve("/etc/rc", (char *[]){ "rc", 0 }, (char *[]){ 0 }); | |
} |
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