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| author | Jeff Dike <jdike@addtoit.com> | 2006-01-18 17:42:50 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-18 19:20:20 -0800 |
| commit | c83d4635ee8c8fe16046ff6cabcff708be16df75 (patch) | |
| tree | 8853be96da3194a4a9f08d3e2bf7f4d54dafcad6 /arch/um | |
| parent | 1d7173baf286c8b720f97f119ec92be43076ebde (diff) | |
| download | blackbird-op-linux-c83d4635ee8c8fe16046ff6cabcff708be16df75.tar.gz blackbird-op-linux-c83d4635ee8c8fe16046ff6cabcff708be16df75.zip | |
[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.h | 4 |
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; }) |
