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authordim <dim@FreeBSD.org>2012-04-29 11:04:31 +0000
committerdim <dim@FreeBSD.org>2012-04-29 11:04:31 +0000
commit81a3e2b46db5474df3633b850805e5e981a6cbb4 (patch)
tree698e4c5df1fba3867e4ca78763a6760206f74894 /sys/sys/ucontext.h
parent6b0b09e72a82ff0e99c864ca023a9eb62f72d629 (diff)
downloadFreeBSD-src-81a3e2b46db5474df3633b850805e5e981a6cbb4.zip
FreeBSD-src-81a3e2b46db5474df3633b850805e5e981a6cbb4.tar.gz
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
Diffstat (limited to 'sys/sys/ucontext.h')
-rw-r--r--sys/sys/ucontext.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/sys/ucontext.h b/sys/sys/ucontext.h
index 609cdd3..1e504c9 100644
--- a/sys/sys/ucontext.h
+++ b/sys/sys/ucontext.h
@@ -71,7 +71,7 @@ struct ucontext4 {
__BEGIN_DECLS
-int getcontext(ucontext_t *);
+int getcontext(ucontext_t *) __returns_twice;
ucontext_t *getcontextx(void);
int setcontext(const ucontext_t *);
void makecontext(ucontext_t *, void (*)(void), int, ...);
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