vx32

commit 9a5cac608776a5424ad0f8487e7de1223085ef1a
parent 4493abdf56ae497d8a3c79c136f7f56f0dd818b1
Author: rminnich@gmail.com <none@none>
Date:   Wed, 19 Jan 2011 19:07:43 -0800

hack for gcc hack

Diffstat:
src/9vx/Makefrag
 | 
4
++++
src/9vx/gccmagic/cmpswap.c
 | 
5
+++++

2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/src/9vx/Makefrag b/src/9vx/Makefrag
@@ -100,6 +100,10 @@ ifeq ($(OS),darwin)
 PLAN9_OBJS := $(PLAN9_OBJS) 9vx/osx/signal.o 9vx/osx/cmpswap.o
 endif
 
+ifeq ($(OS),linux)
+PLAN9_OBJS := $(PLAN9_OBJS) 9vx/gccmagic/cmpswap.o
+endif
+
 PLAN9_A_OBJS = \
 	$(addprefix 9vx/a/, \
 		allocb.o \
diff --git a/src/9vx/gccmagic/cmpswap.c b/src/9vx/gccmagic/cmpswap.c
@@ -0,0 +1,5 @@
+int	oscmpswap(long* addr, long oldval, long newval)
+{
+	return __sync_bool_compare_and_swap(addr, oldval, newval);
+}
+