A first attempt at nohup

This commit is contained in:
Kat R. 2022-10-29 10:09:24 -05:00
parent ca43240230
commit 90cc2069bd
1 changed files with 27 additions and 0 deletions

27
nohup.c Normal file
View File

@ -0,0 +1,27 @@
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
int main(int argc, char ** argv) {
char ** util_argv;
if(signal(SIGHUP, SIG_IGN) == SIG_ERR) {
return 127;
}
util_argv = calloc(argc, sizeof(*argv));
if(util_argv == NULL) {
return 127;
}
for(int i = 0; i < argc - 1; i++) {
util_argv[i] = calloc(strlen(argv[i+1]) + 1, sizeof(*(util_argv[i])));
strcpy(util_argv[i], argv[i+1]);
}
util_argv[argc-1] = NULL;
if(execvp(util_argv[0], util_argv) < 0) {
return 126;
}
}