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-rw-r--r--cpukit/posix/src/cancel.c227
1 files changed, 0 insertions, 227 deletions
diff --git a/cpukit/posix/src/cancel.c b/cpukit/posix/src/cancel.c
deleted file mode 100644
index 2ad972c626..0000000000
--- a/cpukit/posix/src/cancel.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/* cancel.c
- *
- * $Id$
- */
-
-#include <pthread.h>
-#include <errno.h>
-#include <rtems/score/chain.h>
-#include <rtems/score/isr.h>
-#include <rtems/score/thread.h>
-#include <rtems/score/wkspace.h>
-#include <rtems/posix/cancel.h>
-#include <rtems/posix/pthread.h>
-#include <rtems/posix/threadsup.h>
-
-/*PAGE
- *
- * POSIX_Thread_cancel_run
- *
- */
-
-void POSIX_Thread_cancel_run(
- Thread_Control *the_thread
-)
-{
- int old_cancel_state;
- POSIX_Cancel_Handler_control *handler;
- Chain_Control *handler_stack;
- POSIX_API_Thread_Support_Control *thread_support;
- ISR_Level level;
-
- thread_support = the_thread->API_Extensions[ THREAD_API_POSIX ];
-
- handler_stack = &thread_support->Cancellation_Handlers;
-
- old_cancel_state = thread_support->cancelability_state;
-
- thread_support->cancelability_state = PTHREAD_CANCEL_DISABLE;
-
- while ( !_Chain_Is_empty( handler_stack ) ) {
- _ISR_Disable( level );
- handler = (POSIX_Cancel_Handler_control *) _Chain_Tail( handler_stack );
- _Chain_Extract_unprotected( &handler->Node );
- _ISR_Enable( level );
-
- (*handler->routine)( handler->arg );
-
- _Workspace_Free( handler );
- }
-
- thread_support->cancelation_requested = 0;
-
- thread_support->cancelability_state = old_cancel_state;
-}
-
-/*PAGE
- *
- * 18.2.1 Canceling Execution of a Thread, P1003.1c/Draft 10, p. 181
- */
-
-int pthread_cancel(
- pthread_t thread
-)
-{
- Thread_Control *the_thread;
- POSIX_API_Thread_Support_Control *thread_support;
- Objects_Locations location;
-
- the_thread = _POSIX_Threads_Get( &thread, &location );
- switch ( location ) {
- case OBJECTS_ERROR:
- return EINVAL;
- case OBJECTS_REMOTE:
- return POSIX_MP_NOT_IMPLEMENTED();
- case OBJECTS_LOCAL:
- thread_support = the_thread->API_Extensions[ THREAD_API_POSIX ];
-
- thread_support->cancelation_requested = 1;
-
- _Thread_Enable_dispatch();
- return 0;
- }
-
- return POSIX_BOTTOM_REACHED();
-}
-
-/*PAGE
- *
- * 18.2.2 Setting Cancelability State, P1003.1c/Draft 10, p. 183
- */
-
-int pthread_setcancelstate(
- int state,
- int *oldstate
-)
-{
- POSIX_API_Thread_Support_Control *thread_support;
-
- if ( !oldstate )
- return EINVAL;
-
- if ( state != PTHREAD_CANCEL_ENABLE && state != PTHREAD_CANCEL_DISABLE )
- return EINVAL;
-
- thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ];
-
- *oldstate = thread_support->cancelability_state;
- thread_support->cancelability_state = state;
-
- if ( thread_support->cancelability_state == PTHREAD_CANCEL_ENABLE &&
- thread_support->cancelability_type == PTHREAD_CANCEL_ASYNCHRONOUS &&
- thread_support->cancelation_requested )
- POSIX_Thread_cancel_run( _Thread_Executing );
-
- return 0;
-}
-
-/*PAGE
- *
- * 18.2.2 Setting Cancelability State, P1003.1c/Draft 10, p. 183
- */
-
-int pthread_setcanceltype(
- int type,
- int *oldtype
-)
-{
- POSIX_API_Thread_Support_Control *thread_support;
-
- if ( !oldtype )
- return EINVAL;
-
- if ( type != PTHREAD_CANCEL_DEFERRED && type != PTHREAD_CANCEL_ASYNCHRONOUS )
- return EINVAL;
-
- thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ];
-
- *oldtype = thread_support->cancelability_type;
- thread_support->cancelability_type = type;
-
- if ( thread_support->cancelability_state == PTHREAD_CANCEL_ENABLE &&
- thread_support->cancelability_type == PTHREAD_CANCEL_ASYNCHRONOUS &&
- thread_support->cancelation_requested )
- POSIX_Thread_cancel_run( _Thread_Executing );
-
- return 0;
-}
-
-/*PAGE
- *
- * 18.2.2 Setting Cancelability State, P1003.1c/Draft 10, p. 183
- */
-
-void pthread_testcancel( void )
-{
- POSIX_API_Thread_Support_Control *thread_support;
-
- thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ];
-
- if ( thread_support->cancelability_state == PTHREAD_CANCEL_ENABLE &&
- thread_support->cancelation_requested )
- POSIX_Thread_cancel_run( _Thread_Executing );
-}
-
-/*PAGE
- *
- * 18.2.3.1 Establishing Cancellation Handlers, P1003.1c/Draft 10, p. 184
- */
-
-void pthread_cleanup_push(
- void (*routine)( void * ),
- void *arg
-)
-{
- POSIX_Cancel_Handler_control *handler;
- Chain_Control *handler_stack;
- POSIX_API_Thread_Support_Control *thread_support;
-
- if ( !routine )
- return; /* XXX what to do really? */
-
- handler = _Workspace_Allocate( sizeof( POSIX_Cancel_Handler_control ) );
-
- if ( !handler )
- return; /* XXX what to do really? */
-
- thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ];
-
- handler_stack = &thread_support->Cancellation_Handlers;
-
- handler->routine = routine;
- handler->arg = arg;
-
- _Chain_Append( handler_stack, &handler->Node );
-}
-
-/*PAGE
- *
- * 18.2.3.1 Establishing Cancellation Handlers, P1003.1c/Draft 10, p. 184
- */
-
-void pthread_cleanup_pop(
- int execute
-)
-{
- POSIX_Cancel_Handler_control *handler;
- Chain_Control *handler_stack;
- POSIX_API_Thread_Support_Control *thread_support;
- ISR_Level level;
-
- thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ];
-
- handler_stack = &thread_support->Cancellation_Handlers;
-
- if ( _Chain_Is_empty( handler_stack ) )
- return;
-
- _ISR_Disable( level );
- handler = (POSIX_Cancel_Handler_control *) _Chain_Tail( handler_stack );
- _Chain_Extract_unprotected( &handler->Node );
- _ISR_Enable( level );
-
- if ( execute )
- (*handler->routine)( handler->arg );
-
- _Workspace_Free( handler );
-}