37 lines
975 B
C
37 lines
975 B
C
#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <sys/wait.h>
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int main(int argc, char **argv){
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if (argc > 2) {
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printf("Error : %s must have one argument\n", argv[0]);
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exit(EXIT_FAILURE);
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}
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if (argv[1] == NULL) {
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printf("Execute child process\n");
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exit(EXIT_SUCCESS);
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}
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else {
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int x = atoi(argv[1]);
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printf("Number of children to create : %d\n", x);
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for (int i=0; i < x ; i++){
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int pid = fork();
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if (pid == -1) {
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printf("Error : %s", strerror(errno));
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exit(EXIT_FAILURE);
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}
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if (pid == 0) {
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// we are in our children
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if ((execl(argv[0],"",NULL)) < 0 ) {
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printf("Error : %s\n", strerror(errno));
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exit(EXIT_FAILURE);
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}
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}
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}
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}
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exit(EXIT_SUCCESS);
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}
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