From: Erik van der Kouwe <erik@minix3.org>
Date: Tue, 5 Oct 2010 07:25:47 +0000 (+0000)
Subject: Fix warnings due to missing __dead attribute on exit
X-Git-Tag: v3.2.0~790
X-Git-Url: http://zhaoyanbai.com/repos/Bv9ARM.ch08.html?a=commitdiff_plain;h=ada0b4ca0414a6c5d613b1ef696b5dea02ec8769;p=minix.git

Fix warnings due to missing __dead attribute on exit
---

diff --git a/include/stdlib.h b/include/stdlib.h
index 56a72f14b..8b53a0b2d 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -8,6 +8,7 @@
 #endif
 
 #include <stddef.h>
+#include <sys/cdefs.h>
 #include <sys/null.h>
 
 #define EXIT_FAILURE       1	/* standard error return using exit() */
@@ -29,7 +30,7 @@ _PROTOTYPE( int atoi, (const char *_nptr)				);
 _PROTOTYPE( long atol, (const char *_nptr)				);
 _PROTOTYPE( void *calloc, (size_t _nmemb, size_t _size)			);
 _PROTOTYPE( div_t div, (int _numer, int _denom)				);
-_PROTOTYPE( void exit, (int _status)					);
+_PROTOTYPE( __dead void exit, (int _status)				);
 _PROTOTYPE( void free, (void *_ptr)					);
 _PROTOTYPE( char *getenv, (const char *_name)				);
 _PROTOTYPE( long labs, (long _j)					);
diff --git a/lib/libc/ansi/exit.c b/lib/libc/ansi/exit.c
index 353413f05..a313e44e7 100644
--- a/lib/libc/ansi/exit.c
+++ b/lib/libc/ansi/exit.c
@@ -12,7 +12,7 @@
 void (*__functab[NEXITS])(void);
 int __funccnt = 0;
 
-extern void _exit(int);
+extern __dead void _exit(int);
 
 /* only flush output buffers when necessary */
 int (*_clean)(void) = NULL;
@@ -27,7 +27,7 @@ _calls(void)
 		(*__functab[i])();
 }
 
-void
+__dead void
 exit(int status)
 {
 	_calls();