37 lines
618 B
C
37 lines
618 B
C
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/*
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* myint.c - Another handy routine for testing your tiny shell
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*
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* usage: myint <n>
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* Sleeps for <n> seconds and sends SIGINT to itself.
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*
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <signal.h>
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int main(int argc, char **argv)
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{
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int i, secs;
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pid_t pid;
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if (argc != 2) {
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fprintf(stderr, "Usage: %s <n>\n", argv[0]);
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exit(0);
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}
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secs = atoi(argv[1]);
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for (i=0; i < secs; i++)
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sleep(1);
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pid = getpid();
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if (kill(pid, SIGINT) < 0)
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fprintf(stderr, "kill (int) error");
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exit(0);
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}
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