aboutsummaryrefslogtreecommitdiffstats
path: root/arch/um
diff options
context:
space:
mode:
authorJeff Dike <jdike@addtoit.com>2006-01-18 20:42:50 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-18 22:20:20 -0500
commitc83d4635ee8c8fe16046ff6cabcff708be16df75 (patch)
tree8853be96da3194a4a9f08d3e2bf7f4d54dafcad6 /arch/um
parent1d7173baf286c8b720f97f119ec92be43076ebde (diff)
[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>
Diffstat (limited to 'arch/um')
-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 50f5df18e46..018b3819ab0 100644
--- a/arch/um/include/longjmp.h
+++ b/arch/um/include/longjmp.h
@@ -5,13 +5,13 @@
5#include "os.h" 5#include "os.h"
6 6
7#define UML_SIGLONGJMP(buf, val) do { \ 7#define UML_SIGLONGJMP(buf, val) do { \
8 siglongjmp(*buf, val); \ 8 longjmp(*buf, val); \
9} while(0) 9} while(0)
10 10
11#define UML_SIGSETJMP(buf, enable) ({ \ 11#define UML_SIGSETJMP(buf, enable) ({ \
12 int n; \ 12 int n; \
13 enable = get_signals(); \ 13 enable = get_signals(); \
14 n = sigsetjmp(*buf, 1); \ 14 n = setjmp(*buf); \
15 if(n != 0) \ 15 if(n != 0) \
16 set_signals(enable); \ 16 set_signals(enable); \
17 n; }) 17 n; })