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Diffstat (limited to 'shlab-handout/mystop.c')
| -rw-r--r-- | shlab-handout/mystop.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/shlab-handout/mystop.c b/shlab-handout/mystop.c deleted file mode 100644 index 12eee5f..0000000 --- a/shlab-handout/mystop.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * mystop.c - Another handy routine for testing your tiny shell - * - * usage: mystop <n> - * Sleeps for <n> seconds and sends SIGTSTP to itself. - * - */ -#include <stdio.h> -#include <unistd.h> -#include <stdlib.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <signal.h> - -int main(int argc, char **argv) -{ - int i, secs; - pid_t pid; - - if (argc != 2) { - fprintf(stderr, "Usage: %s <n>\n", argv[0]); - exit(0); - } - secs = atoi(argv[1]); - - for (i=0; i < secs; i++) - sleep(1); - - pid = getpid(); - - if (kill(-pid, SIGTSTP) < 0) - fprintf(stderr, "kill (tstp) error"); - - exit(0); - -} |
