From: bdemsky <bdemsky>
Date: Thu, 14 Apr 2011 06:51:33 +0000 (+0000)
Subject: changes
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=eb44de8f9b06c8224f0f6b21088536b0f4b910ab;p=IRC.git

changes
---

diff --git a/Robust/src/Runtime/affinity.c b/Robust/src/Runtime/affinity.c
index 8ea239d3..d2c71145 100644
--- a/Robust/src/Runtime/affinity.c
+++ b/Robust/src/Runtime/affinity.c
@@ -7,27 +7,17 @@
 #include <stdarg.h>
 #include <stdlib.h>
 #include <runtime.h>
+#include "mlp_lock.h"
 
 static volatile unsigned int corecount=0;
 
-
-static inline int atomicinc(volatile unsigned int *lock) {
-  int retval=1;
-  __asm__ __volatile__("lock; xadd %0,%1"
-                       : "=r"(retval)
-                       : "m"(*lock), "0"(retval)
-                       : "memory");
-  return retval;
-}
-
-
 void set_affinity() {
   int err;
   cpu_set_t cpumask;
 
   CPU_ZERO(&cpumask);
 
-  int ourcount=atomicinc(&corecount);
+  int ourcount=atomicincandread(&corecount);
   ourcount=ourcount&7;
   int newvalue=ourcount>>1;
   if (ourcount&1) {
diff --git a/Robust/src/Runtime/mlp_lock.h b/Robust/src/Runtime/mlp_lock.h
index d99a3270..ad33a424 100644
--- a/Robust/src/Runtime/mlp_lock.h
+++ b/Robust/src/Runtime/mlp_lock.h
@@ -21,6 +21,15 @@
   "661:\n\tlock; "
 
 
+static inline int atomicincandread(volatile unsigned int *lock) {
+  int retval=1;
+  __asm__ __volatile__("lock; xadd %0,%1"
+                       : "=r"(retval)
+                       : "m"(*lock), "0"(retval)
+                       : "memory");
+  return retval;
+}
+
 static inline void atomic_dec(volatile int *v) {
   __asm__ __volatile__ (LOCK_PREFIX "decl %0"
                         : "+m" (*v));