42 lines
724 B
C
42 lines
724 B
C
#define _GNU_SOURCE
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#include <stdio.h>
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#include <sys/types.h>
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#include <unistd.h>
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#define DEF_LOOPS 10
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int main(int argc, char** argv) {
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pid_t pid[256];
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int result, i, j;
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int loops = DEF_LOOPS;
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char *_argv[3];
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if (argc > 1) {
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loops = atoi(argv[1]);
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}
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for (i = 0; i < loops && (pid[i] = fork()) > 0; i++);
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if (i == loops) { // parent
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for (i = 0; i < loops; i++) {
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printf("go_test parent pid=%d\n", getpid());
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waitpid(pid[i], NULL, 0);
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}
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}
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else if (pid[i] == 0) {
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printf("go_test child pid=%d\n", getpid());
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_argv[0] = "./sched_test";
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_argv[1] = "4";
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_argv[2] = NULL;
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execve(_argv[0], _argv, NULL);
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perror("execve");
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}
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else {
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perror("Error fork()");
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return(1);
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}
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return(0);
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}
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