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authorDimitry Andric <dim@FreeBSD.org>2012-04-29 11:04:31 +0000
committerDimitry Andric <dim@FreeBSD.org>2012-04-29 11:04:31 +0000
commit460378bf1371987e2ecc1bede7553a36d0220102 (patch)
tree698e4c5df1fba3867e4ca78763a6760206f74894 /include/setjmp.h
parent3d388f079838d2953c44f70bbf64c00661c0faf0 (diff)
downloadsrc-460378bf1371987e2ecc1bede7553a36d0220102.tar.gz
src-460378bf1371987e2ecc1bede7553a36d0220102.zip
Add a convenience macro for the returns_twice attribute, and apply it to
the prototypes of the appropriate functions (getcontext, savectx, setjmp, sigsetjmp and vfork). MFC after: 2 weeks
Notes
Notes: svn path=/head/; revision=234785
Diffstat (limited to 'include/setjmp.h')
-rw-r--r--include/setjmp.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/setjmp.h b/include/setjmp.h
index 49d4ed5e8cef..bf03f6fbb43a 100644
--- a/include/setjmp.h
+++ b/include/setjmp.h
@@ -46,16 +46,16 @@
__BEGIN_DECLS
#if __BSD_VISIBLE || __XSI_VISIBLE >= 600
void _longjmp(jmp_buf, int) __dead2;
-int _setjmp(jmp_buf);
+int _setjmp(jmp_buf) __returns_twice;
#endif
void longjmp(jmp_buf, int) __dead2;
#if __BSD_VISIBLE
void longjmperror(void);
#endif
-int setjmp(jmp_buf);
+int setjmp(jmp_buf) __returns_twice;
#if __BSD_VISIBLE || __POSIX_VISIBLE || __XSI_VISIBLE
void siglongjmp(sigjmp_buf, int) __dead2;
-int sigsetjmp(sigjmp_buf, int);
+int sigsetjmp(sigjmp_buf, int) __returns_twice;
#endif
__END_DECLS