diff options
Diffstat (limited to 'cpukit/posix/src/intr.c')
| -rw-r--r-- | cpukit/posix/src/intr.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/cpukit/posix/src/intr.c b/cpukit/posix/src/intr.c index 8dcbd2933d..895db3c120 100644 --- a/cpukit/posix/src/intr.c +++ b/cpukit/posix/src/intr.c @@ -1,6 +1,6 @@ /* * NOTE: Each task has an interrupt semaphore associated with it. - * No matter which interrupt occurs that it has registered, + * No matter which interrupt occurs that it has registered, * the same semaphore is used. * * This whole interrupt scheme may have been eliminated in a later draft. @@ -32,8 +32,8 @@ * * This routine performs the initialization necessary for this manager. */ - -void _POSIX_Interrupt_Manager_initialization( + +void _POSIX_Interrupt_Manager_initialization( uint32_t maximum_interrupt_handlers ) { @@ -58,7 +58,7 @@ void _POSIX_Interrupt_Manager_initialization( for ( index=0 ; index < CPU_INTERRUPT_NUMBER_OF_VECTORS ; index++ ) { the_vector = &_POSIX_Interrupt_Information[ index ]; - + the_vector->number_installed = 0; the_vector->lock_count = 0; the_vector->deferred_count = 0; @@ -83,14 +83,14 @@ int intr_capture( POSIX_API_Thread_Support_Control *thread_support; proc_ptr old_handler; - if ( !_ISR_Is_vector_number_valid( intr ) || + if ( !_ISR_Is_vector_number_valid( intr ) || !_ISR_Is_valid_user_handler( intr_handler ) ) return EINVAL; _Thread_Disable_dispatch(); the_intr = _POSIX_Interrupt_Allocate(); - + if ( !the_intr ) { _Thread_Enable_dispatch(); return ENOMEM; @@ -123,18 +123,18 @@ int intr_capture( if ( !the_vector->number_installed++ ) _ISR_Install_vector( intr, - (proc_ptr) _POSIX_Interrupt_Handler, + (proc_ptr) _POSIX_Interrupt_Handler, &old_handler ); _Objects_Open( &_POSIX_Interrupt_Handlers_Information, &the_intr->Object, 0 ); - + /* * Normally, an Id would be returned here. */ - + _Thread_Enable_dispatch(); - + return 0; } @@ -190,7 +190,7 @@ int intr_release( _Thread_Enable_dispatch(); return EINVAL; /* XXX should be ENOISR; */ } - + /* * OK now we have found the interrupt handler and can do some work. */ @@ -198,7 +198,7 @@ int intr_release( _Chain_Extract( &the_intr->Object.Node ); the_intr->is_active = FALSE; - + the_vector->number_installed -= 1; thread_support = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; @@ -213,7 +213,7 @@ int intr_release( _Objects_Close( &_POSIX_Interrupt_Handlers_Information, &the_intr->Object ); _POSIX_Interrupt_Free( the_intr ); - + _Thread_Enable_dispatch(); return 0; @@ -240,7 +240,7 @@ int intr_lock( return 0; } - + /*PAGE * * 22.3.1 Associate a User-Written ISR with an Interrupt, P1003.4b/D8, p. 74 @@ -251,22 +251,22 @@ int intr_unlock( ) { POSIX_Interrupt_Control *the_vector; - + _Thread_Disable_dispatch(); - + the_vector = &_POSIX_Interrupt_Information[ intr ]; - + if ( !--the_vector->lock_count ) { while ( --the_vector->deferred_count ) { _POSIX_Interrupt_Handler( intr ); } } - + _Thread_Enable_dispatch(); - + return 0; } - + /* * 22.3.2 Await Interrupt Notification, P1003.4b/D8, p. 76 */ @@ -290,7 +290,7 @@ int intr_timed_wait( 0, /* XXX does id=0 hurt in this case? */ TRUE, ticks - ); + ); _Thread_Enable_dispatch(); return _Thread_Executing->Wait.return_code; /* XXX should be POSIX */ @@ -298,7 +298,7 @@ int intr_timed_wait( /*PAGE * - * _POSIX_Interrupt_Handler + * _POSIX_Interrupt_Handler * */ @@ -311,14 +311,14 @@ void _POSIX_Interrupt_Handler( POSIX_API_Thread_Support_Control *thread_support; Chain_Node *the_node; int status; - + the_vector = &_POSIX_Interrupt_Information[ vector ]; - + the_node = _Chain_Head( &the_vector->Handlers ); - + for ( ; !_Chain_Is_tail( &the_vector->Handlers, the_node ) ; ) { the_intr = (POSIX_Interrupt_Handler_control *) the_node; - + status = (*the_intr->handler)( (void *) the_intr->user_data_area ); switch ( status ) { |