Added support for rwlocks.

git-svn-id: https://pupnp.svn.sourceforge.net/svnroot/pupnp/trunk@232 119443c7-1b9e-41f8-b6fc-b9c35fce742c

ChangeLog

@@ -2,7 +2,10 @@
 Version 1.6.1
 *******************************************************************************
 
-2007-05-26 Marcelo Jimenez <mroberto(at)users.sourceforge.net>
+2007-11-06 Marcelo Jimenez <mroberto(at)users.sourceforge.net>
+	* Added support for rwlocks.
+
+2007-11-05 Marcelo Jimenez <mroberto(at)users.sourceforge.net>
 	* SF Bug Tracker [ 1825929 ] woker thread still alive after UpnpFinish()
 	Submitted By: Luke Kim - nereusuj
 	Worker thread still alive after calling UpnpFinish() because

threadutil/inc/ithread.h

@@ -52,11 +52,16 @@ extern "C" {
 	#define ITHREAD_MUTEX_FAST_NP       PTHREAD_MUTEX_NORMAL
 	#define ITHREAD_MUTEX_RECURSIVE_NP  PTHREAD_MUTEX_RECURSIVE
 	#define ITHREAD_MUTEX_ERRORCHECK_NP PTHREAD_MUTEX_ERRORCHECK
-#else
+#else /* PTHREAD_MUTEX_RECURSIVE */
 	#define ITHREAD_MUTEX_FAST_NP       PTHREAD_MUTEX_FAST_NP
 	#define ITHREAD_MUTEX_RECURSIVE_NP  PTHREAD_MUTEX_RECURSIVE_NP
 	#define ITHREAD_MUTEX_ERRORCHECK_NP PTHREAD_MUTEX_ERRORCHECK_NP
-#endif
+#endif /* PTHREAD_MUTEX_RECURSIVE */
+
+
+#define ITHREAD_PROCESS_PRIVATE PTHREAD_PROCESS_PRIVATE
+#define ITHREAD_PROCESS_SHARED  PTHREAD_PROCESS_SHARED
+
 
 #define ITHREAD_CANCELED PTHREAD_CANCELED
 
@@ -136,6 +141,28 @@ extern "C" {
  ***************************************************************************/
 typedef pthread_condattr_t ithread_condattr_t;	
 
+
+/****************************************************************************
+ * Name: ithread_rwlockattr_t
+ *
+ *  Description:
+ *      Mutex attribute.
+ *      typedef to pthread_rwlockattr_t
+ *      Internal Use Only
+ ***************************************************************************/
+typedef pthread_rwlockattr_t ithread_rwlockattr_t;	
+
+
+/****************************************************************************
+ * Name: ithread_rwlock_t
+ *
+ *  Description:
+ *      Condition attribute.
+ *      typedef to pthread_rwlock_t
+ *      Internal Use Only
+ ***************************************************************************/
+typedef pthread_rwlock_t ithread_rwlock_t;	
+
 /****************************************************************************
  * Function: ithread_mutexattr_init
  *
@@ -150,9 +177,9 @@ extern "C" {
  *      Always returns 0.
  *      See man page for pthread_mutexattr_init
  ***************************************************************************/
-  
 #define ithread_mutexattr_init pthread_mutexattr_init
 
+
 /****************************************************************************
  * Function: ithread_mutexattr_destroy
  *
@@ -180,7 +207,7 @@ extern "C" {
  *                       ITHREAD_MUTEX_ERRORCHECK_NP
  *
  *  Parameters:
- *      ithread_mutexattr_t * mutex (must be valid non NULL pointer to 
+ *      ithread_mutexattr_t * attr (must be valid non NULL pointer to 
  *                                   ithread_mutexattr_t)
  *      int kind (one of ITHREAD_MUTEX_FAST_NP or ITHREAD_MUTEX_RECURSIVE_NP
  *                or ITHREAD_MUTEX_ERRORCHECK_NP)
@@ -205,7 +232,7 @@ extern "C" {
  *                       ITHREAD_MUTEX_ERRORCHECK_NP
  *
  *  Parameters:
- *      ithread_mutexattr_t * mutex (must be valid non NULL pointer to 
+ *      ithread_mutexattr_t * attr (must be valid non NULL pointer to 
  *                                   pthread_mutexattr_t)
  *      int *kind (one of ITHREAD_MUTEX_FAST_NP or ITHREAD_MUTEX_RECURSIVE_NP
  *                or ITHREAD_MUTEX_ERRORCHECK_NP)
@@ -238,6 +265,7 @@ extern "C" {
  *****************************************************************************/
 #define ithread_mutex_init pthread_mutex_init
 
+
 /****************************************************************************
  * Function: ithread_mutex_lock
  *
@@ -292,6 +320,169 @@ extern "C" {
 #define ithread_mutex_destroy pthread_mutex_destroy
 
 
+/****************************************************************************
+ * Function: ithread_rwlockattr_init
+ *
+ *  Description:
+ *      Initializes a rwlock attribute variable to default values.
+ *  Parameters:
+ *      const ithread_rwlockattr_init *attr (must be valid non NULL pointer to 
+ *                                           pthread_rwlockattr_t)
+ *  Returns:
+ *      0 on success, Nonzero on failure.
+ *      Always returns 0.
+ *      See man page for pthread_rwlockattr_init
+ ***************************************************************************/
+#define ithread_rwlockattr_init pthread_rwlockattr_init
+
+
+/****************************************************************************
+ * Function: ithread_rwlockattr_destroy
+ *
+ *  Description:
+ *      Releases any resources held by the rwlock attribute.
+ *  Parameters:
+ *      ithread_rwlockattr_t *attr (must be valid non NULL pointer to 
+ *                                  pthread_rwlockattr_t)
+ *  Returns:
+ *      0 on success, Nonzero on failure.
+ *      Always returns 0.
+ *      See man page for pthread_rwlockattr_destroy
+ ***************************************************************************/
+#define ithread_rwlockattr_destroy pthread_rwlockattr_destroy
+  
+  
+/****************************************************************************
+ * Function: ithread_rwlockatttr_setpshared
+ *
+ *  Description:
+ *      Sets the rwlock type in the attribute.
+ *      Valid types are: ITHREAD_PROCESS_PRIVATE 
+ *                       ITHREAD_PROCESS_SHARED
+ *
+ *  Parameters:
+ *      ithread_rwlockattr_t * attr (must be valid non NULL pointer to 
+ *                                   ithread_rwlockattr_t)
+ *      int kind (one of ITHREAD_PROCESS_PRIVATE or ITHREAD_PROCESS_SHARED)
+ *
+ *  Returns:
+ *      0 on success. Nonzero on failure.
+ *      Returns EINVAL if the kind is not supported.
+ *      See man page for pthread_rwlockattr_setkind_np
+ *****************************************************************************/
+#define ithread_rwlockatttr_setpshared pthread_rwlockatttr_setpshared
+
+
+/****************************************************************************
+ * Function: ithread_rwlockatttr_getpshared
+ *
+ *  Description:
+ *      Gets the rwlock type in the attribute.
+ *      Valid types are: ITHREAD_PROCESS_PRIVATE 
+ *                       ITHREAD_PROCESS_SHARED 
+ *
+ *  Parameters:
+ *      ithread_rwlockattr_t * attr (must be valid non NULL pointer to 
+ *                                   pthread_rwlockattr_t)
+ *      int *kind (one of ITHREAD_PROCESS_PRIVATE or ITHREAD_PROCESS_SHARED)
+ *
+ *  Returns:
+ *      0 on success. Nonzero on failure.
+ *      Always returns 0.
+ *      See man page for pthread_rwlockatttr_getpshared
+ *****************************************************************************/
+#define ithread_rwlockatttr_getpshared pthread_rwlockatttr_getpshared
+
+  
+/****************************************************************************
+ * Function: ithread_rwlock_init
+ *
+ *  Description:
+ *      Initializes rwlock.
+ *      Must be called before use.
+ *      
+ *  Parameters:
+ *      ithread_rwlock_t * rwlock (must be valid non NULL pointer to pthread_rwlock_t)
+ *      const ithread_rwlockattr_t * rwlock_attr 
+ *  Returns:
+ *      0 on success, Nonzero on failure.
+ *      Always returns 0.
+ *      See man page for pthread_rwlock_init
+ *****************************************************************************/
+#define ithread_rwlock_init pthread_rwlock_init
+
+
+/****************************************************************************
+ * Function: ithread_rwlock_rdlock
+ *
+ *  Description:
+ *      Locks rwlock for reading.
+ *  Parameters:
+ *      ithread_rwlock_t * rwlock (must be valid non NULL pointer to pthread_rwlock_t)
+ *      rwlock must be initialized.
+ *      
+ *  Returns:
+ *      0 on success, Nonzero on failure.
+ *      Always returns 0.
+ *      See man page for pthread_rwlock_rdlock
+ *****************************************************************************/
+#define ithread_rwlock_rdlock pthread_rwlock_rdlock
+
+
+/****************************************************************************
+ * Function: ithread_rwlock_wrlock
+ *
+ *  Description:
+ *      Locks rwlock for writting.
+ *  Parameters:
+ *      ithread_rwlock_t * rwlock (must be valid non NULL pointer to pthread_rwlock_t)
+ *      rwlock must be initialized.
+ *      
+ *  Returns:
+ *      0 on success, Nonzero on failure.
+ *      Always returns 0.
+ *      See man page for pthread_rwlock_wrlock
+ *****************************************************************************/
+#define ithread_rwlock_wrlock pthread_rwlock_wrlock
+
+
+/****************************************************************************
+ * Function: ithread_rwlock_unlock
+ *
+ *  Description:
+ *      Unlocks rwlock.
+ *
+ *  Parameters:
+ *      ithread_rwlock_t * rwlock (must be valid non NULL pointer to pthread_rwlock_t)
+ *      rwlock must be initialized.
+ *      
+ *  Returns:
+ *      0 on success, Nonzero on failure.
+ *      Always returns 0.
+ *      See man page for pthread_rwlock_unlock
+ *****************************************************************************/
+#define ithread_rwlock_unlock pthread_rwlock_unlock
+
+
+/****************************************************************************
+ * Function: ithread_rwlock_destroy
+ *
+ *  Description:
+ *      Releases any resources held by the rwlock. 
+ *		rwlock can no longer be used after this call.
+ *		rwlock is only destroyed when there are no longer any threads waiting on it. 
+ *		rwlock cannot be destroyed if it is locked.
+ *  Parameters:
+ *      ithread_rwlock_t * rwlock (must be valid non NULL pointer to pthread_rwlock_t)
+ *      rwlock must be initialized.
+ *  Returns:
+ *      0 on success. Nonzero on failure.
+ *      Always returns 0.
+ *      See man page for pthread_rwlock_destroy
+ *****************************************************************************/
+#define ithread_rwlock_destroy pthread_rwlock_destroy
+
+
 /****************************************************************************
  * Function: ithread_cond_init
  *