X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=urcu%2Fstatic%2Furcu.h;h=b9933754e26fed2e7ddb823a25a389681d8506a2;hb=3a71751ee010b48e1a1fa7081617ec6f82d5c0ba;hp=777fa4c593b17ee2625c23c143e6ee668e8f9e40;hpb=6d841bc23fc94345fe76651d73c1a3f821a85aa7;p=urcu.git

diff --git a/urcu/static/urcu.h b/urcu/static/urcu.h
index 777fa4c..b993375 100644
--- a/urcu/static/urcu.h
+++ b/urcu/static/urcu.h
@@ -31,7 +31,6 @@
 
 #include <stdlib.h>
 #include <pthread.h>
-#include <syscall.h>
 #include <unistd.h>
 #include <stdint.h>
 
@@ -51,9 +50,17 @@ extern "C" {
 #define RCU_MEMBARRIER
 #endif
 
+/*
+ * RCU_MEMBARRIER is only possibly available on Linux. Fallback to RCU_MB
+ * otherwise.
+ */
+#if !defined(__linux__) && defined(RCU_MEMBARRIER)
+#undef RCU_MEMBARRIER
+#define RCU_MB
+#endif
+
 #ifdef RCU_MEMBARRIER
-#include <unistd.h>
-#include <sys/syscall.h>
+#include <syscall.h>
 
 /* If the headers do not support SYS_membarrier, statically use RCU_MB */
 #ifdef SYS_membarrier
@@ -88,18 +95,6 @@ extern "C" {
 #define SIGRCU SIGUSR1
 #endif
 
-/*
- * If a reader is really non-cooperative and refuses to commit its
- * rcu_active_readers count to memory (there is no barrier in the reader
- * per-se), kick it after a few loops waiting for it.
- */
-#define KICK_READER_LOOPS 10000
-
-/*
- * Active attempts to check for reader Q.S. before calling futex().
- */
-#define RCU_QS_ACTIVE_ATTEMPTS 100
-
 #ifdef DEBUG_RCU
 #define rcu_assert(args...)	assert(args)
 #else
@@ -144,7 +139,7 @@ static inline void debug_yield_write(void)
 
 static inline void debug_yield_init(void)
 {
-	rand_yield = time(NULL) ^ pthread_self();
+	rand_yield = time(NULL) ^ (unsigned long) pthread_self();
 }
 #else
 static inline void debug_yield_read(void)