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| author | Alejandro Colomar <alx.manpages@gmail.com> | 2022-03-30 16:23:04 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx.manpages@gmail.com> | 2022-03-30 16:23:04 +0200 |
| commit | 94b639c1db4dd97b51f02cf76d713e0ac42d2bb9 (patch) | |
| tree | 89bd80689e7ee39464a1aaad7cc5dc03a04773b1 /man2 | |
| parent | 1ae6452e5e978223d8b8c3c2affc6e6d3c215eb5 (diff) | |
| download | man-pages-94b639c1db4dd97b51f02cf76d713e0ac42d2bb9.tar.gz | |
fork.2: EXAMPLES: Add simple example using fork(2) without wait(2)
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Diffstat (limited to 'man2')
| -rw-r--r-- | man2/fork.2 | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/man2/fork.2 b/man2/fork.2 index 3a731f0e71..7260d7db44 100644 --- a/man2/fork.2 +++ b/man2/fork.2 @@ -295,7 +295,42 @@ established using See .BR pipe (2) and -.BR wait (2). +.BR wait (2) +for more examples. +.PP +.\" SRC BEGIN (fork.c) +.EX +#include <signal.h> +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <unistd.h> + +int +main(void) +{ + pid_t pid; + + if (signal(SIGCHLD, SIG_IGN) == SIG_ERR) { + perror("signal"); + exit(EXIT_FAILURE); + } + pid = fork(); + switch (pid) { + case -1: + perror("fork"); + exit(EXIT_FAILURE); + case 0: + puts("Child exiting."); + exit(EXIT_SUCCESS); + default: + printf("Child is PID %jd\en", (intmax_t) pid); + puts("Parent exiting."); + exit(EXIT_SUCCESS); + } +} +.EE +.\" SRC END .SH SEE ALSO .BR clone (2), .BR execve (2), |