26 lines
508 B
C
26 lines
508 B
C
/* $Header$ */
|
|
#include <signal.h>
|
|
|
|
system(str)
|
|
char *str;
|
|
{
|
|
int pid, exitstatus, waitval;
|
|
int i;
|
|
|
|
if ((pid = fork()) < 0) return -1;
|
|
if (pid == 0) {
|
|
for (i = 3; i <= 20; i++) close(i);
|
|
execl("/bin/sh", "sh", "-c", str, (char *) 0);
|
|
/* get here if execl fails ... */
|
|
_exit(127); /* see manual page */
|
|
}
|
|
while ((waitval = wait(&exitstatus)) != pid) {
|
|
if (waitval == -1) break;
|
|
}
|
|
if (waitval == -1) {
|
|
/* no child ??? or maybe interrupted ??? */
|
|
exitstatus = -1;
|
|
}
|
|
return exitstatus;
|
|
}
|