urcu: move private definitions to .c file

[urcu.git] / urcu / static / urcu.h

diff --git a/urcu/static/urcu.h b/urcu/static/urcu.h
index 777fa4c593b17ee2625c23c143e6ee668e8f9e40..b9933754e26fed2e7ddb823a25a389681d8506a2 100644 (file)
--- 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)