mirror of
https://github.com/ioacademy-jikim/debugging
synced 2025-06-09 08:56:15 +00:00
38 lines
623 B
C
38 lines
623 B
C
#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/wait.h>
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void fork_chain(int level)
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{
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int pid;
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printf ("forking level %d\n", level);
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fflush (stdout);
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pid = fork();
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if (pid == -1) {
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perror("fork");
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exit(1);
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}
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if (pid == 0) {
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if (level > 0) {
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fork_chain (level - 1);
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}
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} else {
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int ret;
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int status;
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while((ret = waitpid(pid, &status, 0)) != pid) {
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if (errno != EINTR) {
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perror("waitpid");
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exit(1);
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}
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}
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}
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}
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int main()
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{
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fork_chain (15);
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return 0;
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}
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