From: Collin Funk <collin.funk1@gmail.com>
Date: Sun, 28 Sep 2025 22:03:06 +0000 (-0700)
Subject: manual: Fix missing include in sigusr example.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5af86c5eb0d5e9ca684cb129f52b4e630744ff08;p=thirdparty%2Fglibc.git

manual: Fix missing include in sigusr example.

Previously this file would fail to compile with the following error:

    $ gcc manual/examples/sigusr.c
    manual/examples/sigusr.c: In function ‘child_function’:
    manual/examples/sigusr.c:46:3: error: implicit declaration of function ‘exit’ [-Wimplicit-function-declaration]
       46 |   exit (0);
          |   ^~~~
    manual/examples/sigusr.c:23:1: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
       22 | #include <unistd.h>
      +++ |+#include <stdlib.h>
       23 | /*@end group*/
    manual/examples/sigusr.c:46:3: warning: incompatible implicit declaration of built-in function ‘exit’ [-Wbuiltin-declaration-mismatch]
       46 |   exit (0);
          |   ^~~~
    manual/examples/sigusr.c:46:3: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
---

diff --git a/manual/examples/sigusr.c b/manual/examples/sigusr.c
index 13874fd7d8..8f00cd9407 100644
--- a/manual/examples/sigusr.c
+++ b/manual/examples/sigusr.c
@@ -18,6 +18,7 @@
 /*@group*/
 #include <signal.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #include <unistd.h>
 /*@end group*/