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-rw-r--r--cpukit/posix/src/cond.c400
1 files changed, 0 insertions, 400 deletions
diff --git a/cpukit/posix/src/cond.c b/cpukit/posix/src/cond.c
deleted file mode 100644
index e20cfe5359..0000000000
--- a/cpukit/posix/src/cond.c
+++ /dev/null
@@ -1,400 +0,0 @@
-/* cond.c
- *
- * $Id$
- */
-
-#include <pthread.h>
-#include <errno.h>
-
-#include <rtems/score/object.h>
-#include <rtems/score/states.h>
-#include <rtems/score/watchdog.h>
-#include <rtems/posix/cond.h>
-#include <rtems/posix/time.h>
-
-/*PAGE
- *
- * The default condition variable attributes structure.
- */
-
-const pthread_condattr_t _POSIX_Condition_variables_Default_attributes = {
- TRUE, /* is_initialized */
- PTHREAD_PROCESS_PRIVATE /* process_shared */
-};
-
-/*PAGE
- *
- * _POSIX_Condition_variables_Manager_initialization
- *
- * This routine initializes all condition variable manager related data
- * structures.
- *
- * Input parameters:
- * maximum_condition_variables - maximum configured condition_variables
- *
- * Output parameters: NONE
- */
-
-void _POSIX_Condition_variables_Manager_initialization(
- unsigned32 maximum_condition_variables
-)
-{
- _Objects_Initialize_information(
- &_POSIX_Condition_variables_Information,
- OBJECTS_POSIX_CONDITION_VARIABLES,
- TRUE,
- maximum_condition_variables,
- sizeof( POSIX_Condition_variables_Control ),
- FALSE,
- 0,
- FALSE
- );
-}
-
-/*PAGE
- *
- * 11.4.1 Condition Variable Initialization Attributes,
- * P1003.1c/Draft 10, p. 96
- */
-
-int pthread_condattr_init(
- pthread_condattr_t *attr
-)
-{
- if ( !attr )
- return EINVAL;
-
- *attr = _POSIX_Condition_variables_Default_attributes;
- return 0;
-}
-
-/*PAGE
- *
- * 11.4.1 Condition Variable Initialization Attributes,
- * P1003.1c/Draft 10, p. 96
- */
-
-int pthread_condattr_destroy(
- pthread_condattr_t *attr
-)
-{
- if ( !attr || attr->is_initialized == FALSE )
- return EINVAL;
-
- attr->is_initialized = FALSE;
- return 0;
-}
-
-/*PAGE
- *
- * 11.4.1 Condition Variable Initialization Attributes,
- * P1003.1c/Draft 10, p. 96
- */
-
-int pthread_condattr_getpshared(
- const pthread_condattr_t *attr,
- int *pshared
-)
-{
- if ( !attr )
- return EINVAL;
-
- *pshared = attr->process_shared;
- return 0;
-}
-
-/*PAGE
- *
- * 11.4.1 Condition Variable Initialization Attributes,
- * P1003.1c/Draft 10, p. 96
- */
-
-int pthread_condattr_setpshared(
- pthread_condattr_t *attr,
- int pshared
-)
-{
- if ( !attr )
- return EINVAL;
-
- attr->process_shared = pshared;
- return 0;
-}
-
-/*PAGE
- *
- * 11.4.2 Initializing and Destroying a Condition Variable,
- * P1003.1c/Draft 10, p. 87
- */
-
-int pthread_cond_init(
- pthread_cond_t *cond,
- const pthread_condattr_t *attr
-)
-{
- POSIX_Condition_variables_Control *the_cond;
- const pthread_condattr_t *the_attr;
-
- if ( attr ) the_attr = attr;
- else the_attr = &_POSIX_Condition_variables_Default_attributes;
-
- /*
- * XXX: Be careful about attributes when global!!!
- */
-
- if ( the_attr->process_shared == PTHREAD_PROCESS_SHARED )
- return POSIX_MP_NOT_IMPLEMENTED();
-
- if ( !the_attr->is_initialized )
- return EINVAL;
-
- _Thread_Disable_dispatch();
-
- the_cond = _POSIX_Condition_variables_Allocate();
-
- if ( !the_cond ) {
- _Thread_Enable_dispatch();
- return ENOMEM;
- }
-
- if ( the_attr->process_shared == PTHREAD_PROCESS_SHARED &&
- !( _Objects_MP_Allocate_and_open( &_POSIX_Condition_variables_Information,
- 0, the_cond->Object.id, FALSE ) ) ) {
- _POSIX_Condition_variables_Free( the_cond );
- _Thread_Enable_dispatch();
- return EAGAIN;
- }
-
- the_cond->process_shared = the_attr->process_shared;
-
- the_cond->Mutex = 0;
-
-/* XXX some more initialization might need to go here */
- _Thread_queue_Initialize(
- &the_cond->Wait_queue,
- OBJECTS_POSIX_CONDITION_VARIABLES,
- THREAD_QUEUE_DISCIPLINE_FIFO,
- STATES_WAITING_FOR_CONDITION_VARIABLE,
- _POSIX_Condition_variables_MP_Send_extract_proxy,
- ETIMEDOUT
- );
-
- _Objects_Open(
- &_POSIX_Condition_variables_Information,
- &the_cond->Object,
- 0
- );
-
- *cond = the_cond->Object.id;
-
- if ( the_attr->process_shared == PTHREAD_PROCESS_SHARED )
- _POSIX_Condition_variables_MP_Send_process_packet(
- POSIX_CONDITION_VARIABLES_MP_ANNOUNCE_CREATE,
- the_cond->Object.id,
- 0, /* Name not used */
- 0 /* Not used */
- );
-
- _Thread_Enable_dispatch();
-
- return 0;
-}
-
-/*PAGE
- *
- * 11.4.2 Initializing and Destroying a Condition Variable,
- * P1003.1c/Draft 10, p. 87
- */
-
-int pthread_cond_destroy(
- pthread_cond_t *cond
-)
-{
- register POSIX_Condition_variables_Control *the_cond;
- Objects_Locations location;
-
- the_cond = _POSIX_Condition_variables_Get( cond, &location );
- switch ( location ) {
- case OBJECTS_ERROR:
- return EINVAL;
- case OBJECTS_REMOTE:
- _Thread_Dispatch();
- return POSIX_MP_NOT_IMPLEMENTED();
- return EINVAL;
- case OBJECTS_LOCAL:
-
- _Objects_Close(
- &_POSIX_Condition_variables_Information,
- &the_cond->Object
- );
-
- if ( _Thread_queue_Get_number_waiting( &the_cond->Wait_queue ) )
- return EBUSY;
-
- _POSIX_Condition_variables_Free( the_cond );
-
- if ( the_cond->process_shared == PTHREAD_PROCESS_SHARED ) {
-
- _Objects_MP_Close(
- &_POSIX_Condition_variables_Information,
- the_cond->Object.id
- );
-
- _POSIX_Condition_variables_MP_Send_process_packet(
- POSIX_CONDITION_VARIABLES_MP_ANNOUNCE_DELETE,
- the_cond->Object.id,
- 0, /* Not used */
- 0 /* Not used */
- );
- }
- _Thread_Enable_dispatch();
- return 0;
- }
- return POSIX_BOTTOM_REACHED();
-}
-
-/*PAGE
- *
- * _POSIX_Condition_variables_Signal_support
- *
- * A support routine which implements guts of the broadcast and single task
- * wake up version of the "signal" operation.
- */
-
-int _POSIX_Condition_variables_Signal_support(
- pthread_cond_t *cond,
- boolean is_broadcast
-)
-{
- register POSIX_Condition_variables_Control *the_cond;
- Objects_Locations location;
- Thread_Control *the_thread;
-
- the_cond = _POSIX_Condition_variables_Get( cond, &location );
- switch ( location ) {
- case OBJECTS_ERROR:
- return EINVAL;
- case OBJECTS_REMOTE:
- _Thread_Dispatch();
- return POSIX_MP_NOT_IMPLEMENTED();
- return EINVAL;
- case OBJECTS_LOCAL:
-
- do {
- the_thread = _Thread_queue_Dequeue( &the_cond->Wait_queue );
- } while ( is_broadcast && the_thread );
- return 0;
- }
- return POSIX_BOTTOM_REACHED();
-}
-
-/*PAGE
- *
- * 11.4.3 Broadcasting and Signaling a Condition, P1003.1c/Draft 10, p. 101
- */
-
-int pthread_cond_signal(
- pthread_cond_t *cond
-)
-{
- return _POSIX_Condition_variables_Signal_support( cond, FALSE );
-}
-
-/*PAGE
- *
- * 11.4.3 Broadcasting and Signaling a Condition, P1003.1c/Draft 10, p. 101
- */
-
-int pthread_cond_broadcast(
- pthread_cond_t *cond
-)
-{
- return _POSIX_Condition_variables_Signal_support( cond, TRUE );
-}
-
-/*PAGE
- *
- * _POSIX_Condition_variables_Wait_support
- *
- * A support routine which implements guts of the blocking, non-blocking, and
- * timed wait version of condition variable wait routines.
- */
-
-int _POSIX_Condition_variables_Wait_support(
- pthread_cond_t *cond,
- pthread_mutex_t *mutex,
- Watchdog_Interval timeout
-)
-{
- register POSIX_Condition_variables_Control *the_cond;
- Objects_Locations location;
- int status;
-
- the_cond = _POSIX_Condition_variables_Get( cond, &location );
- switch ( location ) {
- case OBJECTS_ERROR:
- return EINVAL;
- case OBJECTS_REMOTE:
- _Thread_Dispatch();
- return POSIX_MP_NOT_IMPLEMENTED();
- return EINVAL;
- case OBJECTS_LOCAL:
-
- /*
- * XXX: should be an error if cond->Mutex != mutex
- */
-
- status = pthread_mutex_unlock( mutex );
- if ( !status )
- return status;
-
- the_cond->Mutex = *mutex;
-
-/* XXX .. enter critical section .. */
- _Thread_queue_Enqueue( &the_cond->Wait_queue, 0 );
-
- _Thread_Enable_dispatch();
-
- status = pthread_mutex_lock( mutex );
- if ( !status )
- return status;
-
- return _Thread_Executing->Wait.return_code;
- }
- return POSIX_BOTTOM_REACHED();
-}
-
-/*PAGE
- *
- * 11.4.4 Waiting on a Condition, P1003.1c/Draft 10, p. 105
- */
-
-int pthread_cond_wait(
- pthread_cond_t *cond,
- pthread_mutex_t *mutex
-)
-{
- return _POSIX_Condition_variables_Wait_support(
- cond,
- mutex,
- THREAD_QUEUE_WAIT_FOREVER
- );
-}
-
-/*PAGE
- *
- * 11.4.4 Waiting on a Condition, P1003.1c/Draft 10, p. 105
- */
-
-int pthread_cond_timedwait(
- pthread_cond_t *cond,
- pthread_mutex_t *mutex,
- const struct timespec *abstime
-)
-{
- return _POSIX_Condition_variables_Wait_support(
- cond,
- mutex,
- _POSIX_Time_Spec_to_interval( abstime )
- );
-}
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