30 lines
831 B
C
30 lines
831 B
C
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#include <unistd.h>
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#include <stdio.h>
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#include <sys/wait.h>
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#include <stdlib.h>
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int main(void) {
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pid_t pid = fork();
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if (pid != 0) {
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pid_t pidp = getpid();
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pid_t ppidp = getpid();
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uid_t uidp = getuid(), euidp = geteuid();
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gid_t gidp = getgid(), egidp = getegid();
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printf("Father Process PID %d PPID %d UID %d EUID %d GID %d EGID %d\n", pidp, ppidp, uidp, euidp, gidp, egidp);
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int status;
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pid_t pidc = wait(&status);
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printf("Child Process PID %d Exited, status %d.\n", pidc, status);
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}
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else {
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pid_t pidc = getpid();
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pid_t ppidc = getpid();
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uid_t uidc = getuid(), euidc = geteuid();
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gid_t gidc = getgid(), egidc = getegid();
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printf("Child Process PID %d PPID %d UID %d EUID %d GID %d EGID %d\n", pidc, ppidc, uidc, euidc, gidc, egidc);
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exit(0);
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}
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return 0;
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}
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