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Added blocked_count field to allow for optimizations.

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This commit is contained in:
Joel Sherrill
2000-07-03 15:49:58 +00:00
parent feb93ede27
commit 0147d5ee73
4 changed files with 8 additions and 4 deletions
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1
c/src/exec/score/include/rtems/score/coremutex.h
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@@ -119,6 +119,7 @@ typedef struct {
CORE_mutex_Attributes Attributes; CORE_mutex_Attributes Attributes;
unsigned32 lock; unsigned32 lock;
unsigned32 nest_count; unsigned32 nest_count;
unsigned32 blocked_count;
Thread_Control *holder; Thread_Control *holder;
Objects_Id holder_id; Objects_Id holder_id;
} CORE_mutex_Control; } CORE_mutex_Control;

1
c/src/exec/score/src/coremutex.c
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@@ -56,6 +56,7 @@ void _CORE_mutex_Initialize(
the_mutex->Attributes = *the_mutex_attributes; the_mutex->Attributes = *the_mutex_attributes;
the_mutex->lock = initial_lock; the_mutex->lock = initial_lock;
the_mutex->blocked_count = 0;
#if 0 #if 0
if ( !the_mutex_attributes->only_owner_release && if ( !the_mutex_attributes->only_owner_release &&

1
cpukit/score/include/rtems/score/coremutex.h
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@@ -119,6 +119,7 @@ typedef struct {
CORE_mutex_Attributes Attributes; CORE_mutex_Attributes Attributes;
unsigned32 lock; unsigned32 lock;
unsigned32 nest_count; unsigned32 nest_count;
unsigned32 blocked_count;
Thread_Control *holder; Thread_Control *holder;
Objects_Id holder_id; Objects_Id holder_id;
} CORE_mutex_Control; } CORE_mutex_Control;

1
cpukit/score/src/coremutex.c
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@@ -56,6 +56,7 @@ void _CORE_mutex_Initialize(
the_mutex->Attributes = *the_mutex_attributes; the_mutex->Attributes = *the_mutex_attributes;
the_mutex->lock = initial_lock; the_mutex->lock = initial_lock;
the_mutex->blocked_count = 0;
#if 0 #if 0
if ( !the_mutex_attributes->only_owner_release && if ( !the_mutex_attributes->only_owner_release &&