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authorJeff Dike <jdike@addtoit.com>2006-01-18 17:42:50 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-18 19:20:20 -0800
commitc83d4635ee8c8fe16046ff6cabcff708be16df75 (patch)
tree8853be96da3194a4a9f08d3e2bf7f4d54dafcad6
parent1d7173baf286c8b720f97f119ec92be43076ebde (diff)
downloadlinux-c83d4635ee8c8fe16046ff6cabcff708be16df75.tar.bz2
[PATCH] uml: use setjmp/longjmp instead of sigsetjmp/siglongjmp
Now that we are doing soft interrupts, there's no point in using sigsetjmp and siglongjmp. Using setjmp and longjmp saves a sigprocmask on every jump. Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--arch/um/include/longjmp.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/um/include/longjmp.h b/arch/um/include/longjmp.h
index 50f5df18e46d..018b3819ab0b 100644
--- a/arch/um/include/longjmp.h
+++ b/arch/um/include/longjmp.h
@@ -5,13 +5,13 @@
#include "os.h"
#define UML_SIGLONGJMP(buf, val) do { \
- siglongjmp(*buf, val); \
+ longjmp(*buf, val); \
} while(0)
#define UML_SIGSETJMP(buf, enable) ({ \
int n; \
enable = get_signals(); \
- n = sigsetjmp(*buf, 1); \
+ n = setjmp(*buf); \
if(n != 0) \
set_signals(enable); \
n; })