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Diffstat (limited to 'c/src/exec/score/src/threadhandler.c')
| -rw-r--r-- | c/src/exec/score/src/threadhandler.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/c/src/exec/score/src/threadhandler.c b/c/src/exec/score/src/threadhandler.c deleted file mode 100644 index ec09654c5a..0000000000 --- a/c/src/exec/score/src/threadhandler.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * Thread Handler - * - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in 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/apiext.h> -#include <rtems/score/context.h> -#include <rtems/score/interr.h> -#include <rtems/score/isr.h> -#include <rtems/score/object.h> -#include <rtems/score/priority.h> -#include <rtems/score/states.h> -#include <rtems/score/sysstate.h> -#include <rtems/score/thread.h> -#include <rtems/score/threadq.h> -#include <rtems/score/userext.h> -#include <rtems/score/wkspace.h> - -/*PAGE - * - * _Thread_Handler - * - * This routine is the "primal" entry point for all threads. - * _Context_Initialize() dummies up the thread's initial context - * to cause the first Context_Switch() to jump to _Thread_Handler(). - * - * This routine is the default thread exitted error handler. It is - * returned to when a thread exits. The configured fatal error handler - * is invoked to process the exit. - * - * NOTE: - * - * On entry, it is assumed all interrupts are blocked and that this - * routine needs to set the initial isr level. This may or may not - * actually be needed by the context switch routine and as a result - * interrupts may already be at there proper level. Either way, - * setting the initial isr level properly here is safe. - * - * Currently this is only really needed for the posix port, - * ref: _Context_Switch in unix/cpu.c - * - * Input parameters: NONE - * - * Output parameters: NONE - */ - -void _Thread_Handler( void ) -{ - ISR_Level level; - Thread_Control *executing; -#if defined(__USE_INIT_FINI__) || defined(__USE__MAIN__) - static char doneConstructors; - char doneCons; -#endif - - executing = _Thread_Executing; - - /* - * have to put level into a register for those cpu's that use - * inline asm here - */ - - level = executing->Start.isr_level; - _ISR_Set_level(level); - -#if defined(__USE_INIT_FINI__) || defined(__USE__MAIN__) - doneCons = doneConstructors; - doneConstructors = 1; -#endif - -#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE ) -#if ( CPU_USE_DEFERRED_FP_SWITCH == TRUE ) - if ( (executing->fp_context != NULL) && !_Thread_Is_allocated_fp( executing ) ) { - if ( _Thread_Allocated_fp != NULL ) - _Context_Save_fp( &_Thread_Allocated_fp->fp_context ); - _Thread_Allocated_fp = executing; - } -#endif -#endif - - - /* - * Take care that 'begin' extensions get to complete before - * 'switch' extensions can run. This means must keep dispatch - * disabled until all 'begin' extensions complete. - */ - - _User_extensions_Thread_begin( executing ); - - /* - * At this point, the dispatch disable level BETTER be 1. - */ - - _Thread_Enable_dispatch(); -#if defined(__USE_INIT_FINI__) - if (!doneCons) - _init (); -#endif -#if defined(__USE__MAIN__) - if (!doneCons) - __main (); -#endif - - - switch ( executing->Start.prototype ) { - case THREAD_START_NUMERIC: - executing->Wait.return_argument = - (*(Thread_Entry_numeric) executing->Start.entry_point)( - executing->Start.numeric_argument - ); - break; - case THREAD_START_POINTER: - executing->Wait.return_argument = - (*(Thread_Entry_pointer) executing->Start.entry_point)( - executing->Start.pointer_argument - ); - break; - case THREAD_START_BOTH_POINTER_FIRST: - executing->Wait.return_argument = - (*(Thread_Entry_both_pointer_first) executing->Start.entry_point)( - executing->Start.pointer_argument, - executing->Start.numeric_argument - ); - break; - case THREAD_START_BOTH_NUMERIC_FIRST: - executing->Wait.return_argument = - (*(Thread_Entry_both_numeric_first) executing->Start.entry_point)( - executing->Start.numeric_argument, - executing->Start.pointer_argument - ); - break; - } - - /* - * In the switch above, the return code from the user thread body - * was placed in return_argument. This assumed that if it returned - * anything (which is not supporting in all APIs), then it would be - * able to fit in a (void *). - */ - - _User_extensions_Thread_exitted( executing ); - - _Internal_error_Occurred( - INTERNAL_ERROR_CORE, - TRUE, - INTERNAL_ERROR_THREAD_EXITTED - ); -} |