Support for sys_futex autodetection

[urcu.git] / urcu-defer.c

diff --git a/urcu-defer.c b/urcu-defer.c
index a38b5c0b9418af76287b3e552fd089f278cb5e55..ed627a356a0b58e938e89eaea83f7f58333aee52 100644 (file)
--- a/urcu-defer.c
+++ b/urcu-defer.c
@@ -32,14 +32,11 @@
 #include <syscall.h>
 #include <unistd.h>
 
+#include "urcu/urcu-futex.h"
 #include "urcu-defer-static.h"
 /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */
 #include "urcu-defer.h"
 
-#define futex(...)     syscall(__NR_futex, __VA_ARGS__)
-#define FUTEX_WAIT             0
-#define FUTEX_WAKE             1
-
 void __attribute__((destructor)) urcu_defer_exit(void);
 
 extern void synchronize_rcu(void);
@@ -101,7 +98,7 @@ static void wake_up_defer(void)
 {
        if (unlikely(uatomic_read(&defer_thread_futex) == -1)) {
                uatomic_set(&defer_thread_futex, 0);
-               futex(&defer_thread_futex, FUTEX_WAKE, 1,
+               futex_noasync(&defer_thread_futex, FUTEX_WAKE, 1,
                      NULL, NULL, 0);
        }
 }
@@ -134,7 +131,7 @@ static void wait_defer(void)
        } else {
                smp_rmb();      /* Read queue before read futex */
                if (uatomic_read(&defer_thread_futex) == -1)
-                       futex(&defer_thread_futex, FUTEX_WAIT, -1,
+                       futex_noasync(&defer_thread_futex, FUTEX_WAIT, -1,
                              NULL, NULL, 0);
        }
 }