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