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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-11-02 20:36:11 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-11-02 20:36:11 +0000 |
commit | dfbfa2b029057682e63555751183f497cdc790b0 (patch) | |
tree | 70c9bcc0aeedf4b7c5caab6485a8ce83ab1db652 /cpukit/score/src/threadqextractfifo.c | |
parent | The object memfile.o was being included in the miniIMFS even though it (diff) | |
download | rtems-dfbfa2b029057682e63555751183f497cdc790b0.tar.bz2 |
Split threadq.c into multiple files.
Diffstat (limited to 'cpukit/score/src/threadqextractfifo.c')
-rw-r--r-- | cpukit/score/src/threadqextractfifo.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/cpukit/score/src/threadqextractfifo.c b/cpukit/score/src/threadqextractfifo.c new file mode 100644 index 0000000000..f028460f0a --- /dev/null +++ b/cpukit/score/src/threadqextractfifo.c @@ -0,0 +1,74 @@ +/* + * Thread Queue Handler + * + * + * COPYRIGHT (c) 1989-1998. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <rtems/system.h> +#include <rtems/score/chain.h> +#include <rtems/score/isr.h> +#include <rtems/score/object.h> +#include <rtems/score/states.h> +#include <rtems/score/thread.h> +#include <rtems/score/threadq.h> +#include <rtems/score/tqdata.h> + +/*PAGE + * + * _Thread_queue_Extract_fifo + * + * This routine removes a specific thread from the specified threadq, + * deletes any timeout, and unblocks the thread. + * + * Input parameters: + * the_thread_queue - pointer to a threadq header + * the_thread - pointer to the thread to block + * + * Output parameters: NONE + * + * INTERRUPT LATENCY: + * EXTRACT_FIFO + */ + +void _Thread_queue_Extract_fifo( + Thread_queue_Control *the_thread_queue, + Thread_Control *the_thread +) +{ + ISR_Level level; + + _ISR_Disable( level ); + + if ( !_States_Is_waiting_on_thread_queue( the_thread->current_state ) ) { + _ISR_Enable( level ); + return; + } + + _Chain_Extract_unprotected( &the_thread->Object.Node ); + + if ( !_Watchdog_Is_active( &the_thread->Timer ) ) { + _ISR_Enable( level ); + } else { + _Watchdog_Deactivate( &the_thread->Timer ); + _ISR_Enable( level ); + (void) _Watchdog_Remove( &the_thread->Timer ); + } + + _Thread_Unblock( the_thread ); + +#if defined(RTEMS_MULTIPROCESSING) + if ( !_Objects_Is_local_id( the_thread->Object.id ) ) + _Thread_MP_Free_proxy( the_thread ); +#endif + +} + |