[Xenomai-git] Gilles Chanteperdrix : fast_sync: Do not assume that XN_NO_HANDLE is NULL

[GIT version control]

Module: xenomai-head
Branch: master
Commit: 1957b55447491afec470bcfeb39bac32f3839f7e
URL:    
http://git.xenomai.org/?p=xenomai-head.git;a=commit;h=1957b55447491afec470bcfeb39bac32f3839f7e

Author: Gilles Chanteperdrix <gilles.chanteperd...@xenomai.org>
Date:   Sun Aug 22 15:37:11 2010 +0200

fast_sync: Do not assume that XN_NO_HANDLE is NULL

---

 src/skins/common/current.c |    1 +
 src/skins/native/mutex.c   |    4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/skins/common/current.c b/src/skins/common/current.c
index 7f36991..4e75690 100644
--- a/src/skins/common/current.c
+++ b/src/skins/common/current.c
@@ -46,6 +46,7 @@ static inline int create_current_key(void)
 
 static inline void __xeno_set_current(xnhandle_t current)
 {
+       current = (current == XN_NO_HANDLE ? current : (xnhandle_t)(0));
        pthread_setspecific(xeno_current_key, (void *)current);
 }
 
diff --git a/src/skins/native/mutex.c b/src/skins/native/mutex.c
index 55d502f..8e2a57c 100644
--- a/src/skins/native/mutex.c
+++ b/src/skins/native/mutex.c
@@ -76,7 +76,7 @@ static int rt_mutex_acquire_inner(RT_MUTEX *mutex, RTIME 
timeout, xntmode_t mode
        xnhandle_t cur;
 
        cur = xeno_get_current();
-       if (!cur)
+       if (cur == XN_NO_HANDLE)
                return -EPERM;
 
        if (likely(!(xeno_get_current_mode() & XNRELAX))) {
@@ -140,7 +140,7 @@ int rt_mutex_release(RT_MUTEX *mutex)
        xnhandle_t cur;
 
        cur = xeno_get_current();
-       if (!cur)
+       if (cur == XN_NO_HANDLE)
                return -EPERM;
 
        if (unlikely(xnsynch_fast_owner_check(mutex->fastlock, cur) != 0))


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