mirror of
https://github.com/epasveer/seer.git
synced 2026-08-30 00:50:42 +08:00
Ernie Pasveer
37 lines
686 B
C
37 lines
686 B
C
#include <stdio.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/wait.h>
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int main () {
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pid_t pid = vfork();
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if (pid == 0) {
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printf("Hello from child! (%d)\n", getpid());
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sleep(2);
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exit(EXIT_SUCCESS);
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}
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// To Here and see the difference
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printf("Hello from parent! (%d)\n", getpid());
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// Comment from here to...
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// Parent waits process pid (child)
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int status;
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waitpid(pid, &status, 0);
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// Option is 0 since I check it later
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if (WIFSIGNALED(status)){
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printf("Error\n");
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}else if (WEXITSTATUS(status)){
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printf("Child exited normally.\n");
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}
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return 0;
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}
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