51 lines
999 B
C
51 lines
999 B
C
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
#include <signal.h>
|
|
#include "helpers.c"
|
|
#include "helpers.h"
|
|
|
|
#define BUF_SIZE 256
|
|
|
|
void kill_son(int)
|
|
{
|
|
if (waitpid(-1, NULL, WNOHANG) == 0)
|
|
{
|
|
kill(0, SIGTERM);
|
|
}
|
|
else
|
|
exit(0);
|
|
}
|
|
int main(int argc, char **argv)
|
|
{
|
|
char *args[argc - 1];
|
|
int secondes = (int)strtod(argv[1], NULL);
|
|
pid_t p;
|
|
if (argc < 3)
|
|
{
|
|
printf("Usage : %s <nbsec> <com> [arg]", argv[0]);
|
|
return EXIT_FAILURE;
|
|
}
|
|
for (int i = 2; i < argc; i++)
|
|
{
|
|
args[i - 2] = argv[i];
|
|
}
|
|
args[argc - 2] = NULL;
|
|
p = fork();
|
|
switch (p)
|
|
{
|
|
case 0:
|
|
execvp(argv[2], args);
|
|
exit(0);
|
|
case -1:
|
|
exit(EXIT_FAILURE);
|
|
default:
|
|
alarm(secondes);
|
|
set_signal_handler(SIGALRM, &kill_son);
|
|
sleep(secondes);
|
|
}
|
|
exit(0);
|
|
} |