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Added code so post context switch extensions can be run on every context

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switch.  This was needed to support process wide signals.
This commit is contained in:
Joel Sherrill
1996-06-13 16:43:39 +00:00
parent e89f8cacbf
commit 1b17790ccd
5 changed files with 31 additions and 4 deletions
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7
c/src/exec/score/headers/thread.h
View File

@@ -225,6 +225,13 @@ SCORE_EXTERN Context_Control _Thread_BSP_context;
SCORE_EXTERN unsigned32 _Thread_Dispatch_disable_level;
/*
* If this is non-zero, then the post-task switch extension
* is run regardless of the state of the per thread flag.
*/
SCORE_EXTERN unsigned32 _Thread_Do_post_task_switch_extension;
/*
* The following holds how many user extensions are in the system. This
* is used to determine how many user extension data areas to allocate

7
c/src/exec/score/include/rtems/score/thread.h
View File

@@ -225,6 +225,13 @@ SCORE_EXTERN Context_Control _Thread_BSP_context;
SCORE_EXTERN unsigned32 _Thread_Dispatch_disable_level;
/*
* If this is non-zero, then the post-task switch extension
* is run regardless of the state of the per thread flag.
*/
SCORE_EXTERN unsigned32 _Thread_Do_post_task_switch_extension;
/*
* The following holds how many user extensions are in the system. This
* is used to determine how many user extension data areas to allocate

7
c/src/exec/score/src/thread.c
View File

@@ -68,9 +68,11 @@ void _Thread_Handler_initialization(
_Thread_Heir = NULL;
_Thread_Allocated_fp = NULL;
_Thread_Do_post_task_switch_extension = 0;
_Thread_Maximum_extensions = maximum_extensions;
_Thread_Ticks_per_timeslice = ticks_per_timeslice;
_Thread_Ticks_per_timeslice = ticks_per_timeslice;
_Thread_Ready_chain = _Workspace_Allocate_or_fatal_error(
(PRIORITY_MAXIMUM + 1) * sizeof(Chain_Control)
@@ -288,7 +290,8 @@ void _Thread_Dispatch( void )
_ISR_Enable( level );
if ( executing->do_post_task_switch_extension ) {
if ( _Thread_Do_post_task_switch_extension ||
executing->do_post_task_switch_extension ) {
executing->do_post_task_switch_extension = FALSE;
_API_extensions_Run_postswitch();
}

7
cpukit/score/include/rtems/score/thread.h
View File

@@ -225,6 +225,13 @@ SCORE_EXTERN Context_Control _Thread_BSP_context;
SCORE_EXTERN unsigned32 _Thread_Dispatch_disable_level;
/*
* If this is non-zero, then the post-task switch extension
* is run regardless of the state of the per thread flag.
*/
SCORE_EXTERN unsigned32 _Thread_Do_post_task_switch_extension;
/*
* The following holds how many user extensions are in the system. This
* is used to determine how many user extension data areas to allocate

7
cpukit/score/src/thread.c
View File

@@ -68,9 +68,11 @@ void _Thread_Handler_initialization(
_Thread_Heir = NULL;
_Thread_Allocated_fp = NULL;
_Thread_Do_post_task_switch_extension = 0;
_Thread_Maximum_extensions = maximum_extensions;
_Thread_Ticks_per_timeslice = ticks_per_timeslice;
_Thread_Ticks_per_timeslice = ticks_per_timeslice;
_Thread_Ready_chain = _Workspace_Allocate_or_fatal_error(
(PRIORITY_MAXIMUM + 1) * sizeof(Chain_Control)
@@ -288,7 +290,8 @@ void _Thread_Dispatch( void )
_ISR_Enable( level );
if ( executing->do_post_task_switch_extension ) {
if ( _Thread_Do_post_task_switch_extension ||
executing->do_post_task_switch_extension ) {
executing->do_post_task_switch_extension = FALSE;
_API_extensions_Run_postswitch();
}