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Thread Read/Write lock Routines
[Brought To You By APR]


Typedefs

typedef apr_thread_rwlock_t switch_thread_rwlock_t

Functions

switch_status_t switch_thread_rwlock_create (switch_thread_rwlock_t **rwlock, switch_memory_pool_t *pool)
switch_status_t switch_thread_rwlock_destroy (switch_thread_rwlock_t *rwlock)
switch_memory_pool_t * switch_thread_rwlock_pool_get (switch_thread_rwlock_t *rwlock)
switch_status_t switch_thread_rwlock_rdlock (switch_thread_rwlock_t *rwlock)
switch_status_t switch_thread_rwlock_tryrdlock (switch_thread_rwlock_t *rwlock)
switch_status_t switch_thread_rwlock_wrlock (switch_thread_rwlock_t *rwlock)
switch_status_t switch_thread_rwlock_trywrlock (switch_thread_rwlock_t *rwlock)
switch_status_t switch_thread_rwlock_trywrlock_timeout (switch_thread_rwlock_t *rwlock, int timeout)
switch_status_t switch_thread_rwlock_unlock (switch_thread_rwlock_t *rwlock)

Typedef Documentation

typedef struct apr_thread_rwlock_t switch_thread_rwlock_t
 

Opaque structure used for the rwlock

Function Documentation

switch_status_t switch_thread_rwlock_create (  switch_thread_rwlock_t **  rwlock,
switch_memory_pool_t *  pool
) 
  

00139 {
00140         return apr_thread_rwlock_create(rwlock, pool);
00141 }

switch_status_t switch_thread_rwlock_destroy (  switch_thread_rwlock_t *  rwlock  ) 
  

00144 {
00145         return apr_thread_rwlock_destroy(rwlock);
00146 }

switch_memory_pool_t* switch_thread_rwlock_pool_get (  switch_thread_rwlock_t *  rwlock  ) 
  

00149 {
00150         return apr_thread_rwlock_pool_get(rwlock);
00151 }

switch_status_t switch_thread_rwlock_rdlock (  switch_thread_rwlock_t *  rwlock  ) 
  

00154 {
00155         return apr_thread_rwlock_rdlock(rwlock);
00156 }

switch_status_t switch_thread_rwlock_tryrdlock (  switch_thread_rwlock_t *  rwlock  ) 
  

00159 {
00160         return apr_thread_rwlock_tryrdlock(rwlock);
00161 }

switch_status_t switch_thread_rwlock_trywrlock (  switch_thread_rwlock_t *  rwlock  ) 
  

00169 {
00170         return apr_thread_rwlock_trywrlock(rwlock);
00171 }

switch_status_t switch_thread_rwlock_trywrlock_timeout (  switch_thread_rwlock_t *  rwlock,
int  timeout
) 
  

00174 {
00175         int sanity = timeout * 2;
00176 
00177         while (sanity) {
00178                 if (switch_thread_rwlock_trywrlock(rwlock) == SWITCH_STATUS_SUCCESS) {
00179                         return SWITCH_STATUS_SUCCESS;
00180                 }
00181                 sanity--;
00182                 switch_yield(500000);
00183         }
00184 
00185         return SWITCH_STATUS_FALSE;
00186 }

Here is the call graph for this function:

switch_status_t switch_thread_rwlock_unlock (  switch_thread_rwlock_t *  rwlock  ) 
  

00190 {
00191         return apr_thread_rwlock_unlock(rwlock);
00192 }

switch_status_t switch_thread_rwlock_wrlock (  switch_thread_rwlock_t *  rwlock  ) 
  

00164 {
00165         return apr_thread_rwlock_wrlock(rwlock);
00166 }

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