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Split key.c into multiple files.

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This commit is contained in:
Joel Sherrill
1999-11-02 18:40:30 +00:00
parent cec0371ec5
commit 63edcf242a
13 changed files with 584 additions and 451 deletions
Download Patch File Download Diff File Expand all files Collapse all files
c/src/exec/posix/src/Makefile.in
+4 -1
View File
@@ -26,6 +26,9 @@ CONDITION_VARIABLE_C_PIECES= cond condattrdestroy condattrgetpshared \
condattrinit condattrsetpshared condbroadcast conddefaultattributes \
condmp condsignal condsignalsupp condtimedwait condwait condwaitsupp
KEY_C_PIECES= key keycreate keydelete keygetspecific keyrundestructors \
keysetspecific
MESSAGE_QUEUE_C_PIECES= mqueue mqueueclose mqueuecreatesupp mqueuedeletesupp \
mqueuegetattr mqueuenametoid mqueuenotify mqueueopen mqueuereceive \
mqueuerecvsupp mqueuesend mqueuesendsupp mqueuesetattr \
@@ -67,7 +70,7 @@ TIME_C_PIECES= time posixtimespecsubtract posixtimespectointerval \
clockgetres clockgettime clocksetenableattr clocksettime nanosleep
C_PIECES = adasupp $(CONDITION_VARIABLE_C_PIECES) \
getpid key $(MESSAGE_QUEUE_C_PIECES) \
getpid $(KEY_C_PIECES) $(MESSAGE_QUEUE_C_PIECES) \
$(MUTEX_C_PIECES) $(PTHREAD_C_PIECES) \
$(PSIGNAL_C_PIECES) ptimer sched $(SEMAPHORE_C_PIECES) \
$(TIME_C_PIECES) types unistd $(ENOSYS_C_PIECES) \
c/src/exec/posix/src/key.c
-225
View File
@@ -35,228 +35,3 @@ void _POSIX_Key_Manager_initialization(
FALSE
);
}
/*PAGE
*
* 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
*/
int pthread_key_create(
pthread_key_t *key,
void (*destructor)( void * )
)
{
POSIX_Keys_Control *the_key;
void *table;
unsigned32 the_class;
unsigned32 bytes_to_allocate;
_Thread_Disable_dispatch();
the_key = _POSIX_Keys_Allocate();
if ( !the_key ) {
_Thread_Enable_dispatch();
return EAGAIN;
}
the_key->destructor = destructor;
for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS;
the_class++ ) {
bytes_to_allocate =
(_Objects_Information_table[ the_class ]->maximum + 1) * sizeof( void * );
table = _Workspace_Allocate( bytes_to_allocate );
if ( !table ) {
for ( --the_class;
the_class >= OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class-- )
_Workspace_Free( the_key->Values[ the_class ] );
_POSIX_Keys_Free( the_key );
_Thread_Enable_dispatch();
return ENOMEM;
}
the_key->Values[ the_class ] = table;
memset( table, '\0', bytes_to_allocate );
}
the_key->is_active = TRUE;
_Objects_Open( &_POSIX_Keys_Information, &the_key->Object, 0 );
*key = the_key->Object.id;
_Thread_Enable_dispatch();
return 0;
}
/*PAGE
*
* 17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165
*/
int pthread_setspecific(
pthread_key_t key,
const void *value
)
{
register POSIX_Keys_Control *the_key;
unsigned32 index;
unsigned32 class;
Objects_Locations location;
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE: /* should never happen */
return EINVAL;
case OBJECTS_LOCAL:
index = _Objects_Get_index( _Thread_Executing->Object.id );
class = _Objects_Get_class( _Thread_Executing->Object.id );
the_key->Values[ class ][ index ] = (void *) value;
_Thread_Enable_dispatch();
return 0;
}
return POSIX_BOTTOM_REACHED();
}
/*PAGE
*
* 17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165
*/
void *pthread_getspecific(
pthread_key_t key
)
{
register POSIX_Keys_Control *the_key;
unsigned32 index;
unsigned32 class;
Objects_Locations location;
void *key_data;
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE: /* should never happen */
return NULL;
case OBJECTS_LOCAL:
index = _Objects_Get_index( _Thread_Executing->Object.id );
class = _Objects_Get_class( _Thread_Executing->Object.id );
key_data = (void *) the_key->Values[ class ][ index ];
_Thread_Enable_dispatch();
return key_data;
}
return (void *) POSIX_BOTTOM_REACHED();
}
/*PAGE
*
* 17.1.3 Thread-Specific Data Key Deletion, P1003.1c/Draft 10, p. 167
*/
int pthread_key_delete(
pthread_key_t key
)
{
register POSIX_Keys_Control *the_key;
Objects_Locations location;
unsigned32 the_class;
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE: /* should never happen */
return EINVAL;
case OBJECTS_LOCAL:
_Objects_Close( &_POSIX_Keys_Information, &the_key->Object );
the_key->is_active = FALSE;
for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS;
the_class++ )
_Workspace_Free( the_key->Values[ the_class ] );
/*
* NOTE: The destructor is not called and it is the responsibility
* of the application to free the memory.
*/
_POSIX_Keys_Free( the_key );
_Thread_Enable_dispatch();
return 0;
}
return POSIX_BOTTOM_REACHED();
}
/*PAGE
*
* _POSIX_Keys_Run_destructors
*
* 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
*
* NOTE: This is the routine executed when a thread exits to
* run through all the keys and do the destructor action.
*/
void _POSIX_Keys_Run_destructors(
Thread_Control *thread
)
{
unsigned32 index;
unsigned32 pthread_index;
unsigned32 pthread_class;
unsigned32 iterations;
boolean are_all_null;
POSIX_Keys_Control *the_key;
void *value;
pthread_index = _Objects_Get_index( thread->Object.id );
pthread_class = _Objects_Get_class( thread->Object.id );
iterations = 0;
for ( ; ; ) {
are_all_null = TRUE;
for ( index=1 ; index <= _POSIX_Keys_Information.maximum ; index++ ) {
the_key = (POSIX_Keys_Control *)
_POSIX_Keys_Information.local_table[ index ];
if ( the_key && the_key->is_active && the_key->destructor ) {
value = the_key->Values[ pthread_class ][ pthread_index ];
if ( value ) {
(*the_key->destructor)( value );
if ( the_key->Values[ pthread_class ][ pthread_index ] )
are_all_null = FALSE;
}
}
}
if ( are_all_null == TRUE )
return;
iterations++;
/*
* The standard allows one to not do this and thus go into an infinite
* loop. It seems rude to unnecessarily lock up a system.
*
* Reference: 17.1.1.2 P1003.1c/Draft 10, p. 163, line 99.
*/
if ( iterations >= PTHREAD_DESTRUCTOR_ITERATIONS )
return;
}
}
c/src/exec/posix/src/keycreate.c
+75
View File
@@ -0,0 +1,75 @@
/*
* $Id$
*/
#include <errno.h>
#include <limits.h>
#include <pthread.h>
#include <string.h>
#include <rtems/system.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/key.h>
/*PAGE
*
* 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
*/
int pthread_key_create(
pthread_key_t *key,
void (*destructor)( void * )
)
{
POSIX_Keys_Control *the_key;
void *table;
unsigned32 the_class;
unsigned32 bytes_to_allocate;
_Thread_Disable_dispatch();
the_key = _POSIX_Keys_Allocate();
if ( !the_key ) {
_Thread_Enable_dispatch();
return EAGAIN;
}
the_key->destructor = destructor;
for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS;
the_class++ ) {
bytes_to_allocate =
(_Objects_Information_table[ the_class ]->maximum + 1) * sizeof( void * );
table = _Workspace_Allocate( bytes_to_allocate );
if ( !table ) {
for ( --the_class;
the_class >= OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class-- )
_Workspace_Free( the_key->Values[ the_class ] );
_POSIX_Keys_Free( the_key );
_Thread_Enable_dispatch();
return ENOMEM;
}
the_key->Values[ the_class ] = table;
memset( table, '\0', bytes_to_allocate );
}
the_key->is_active = TRUE;
_Objects_Open( &_POSIX_Keys_Information, &the_key->Object, 0 );
*key = the_key->Object.id;
_Thread_Enable_dispatch();
return 0;
}
c/src/exec/posix/src/keydelete.c
+53
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@@ -0,0 +1,53 @@
/*
* $Id$
*/
#include <errno.h>
#include <limits.h>
#include <pthread.h>
#include <string.h>
#include <rtems/system.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/key.h>
/*PAGE
*
* 17.1.3 Thread-Specific Data Key Deletion, P1003.1c/Draft 10, p. 167
*/
int pthread_key_delete(
pthread_key_t key
)
{
register POSIX_Keys_Control *the_key;
Objects_Locations location;
unsigned32 the_class;
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE: /* should never happen */
return EINVAL;
case OBJECTS_LOCAL:
_Objects_Close( &_POSIX_Keys_Information, &the_key->Object );
the_key->is_active = FALSE;
for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS;
the_class++ )
_Workspace_Free( the_key->Values[ the_class ] );
/*
* NOTE: The destructor is not called and it is the responsibility
* of the application to free the memory.
*/
_POSIX_Keys_Free( the_key );
_Thread_Enable_dispatch();
return 0;
}
return POSIX_BOTTOM_REACHED();
}
c/src/exec/posix/src/keygetspecific.c
+43
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@@ -0,0 +1,43 @@
/*
* $Id$
*/
#include <errno.h>
#include <limits.h>
#include <pthread.h>
#include <string.h>
#include <rtems/system.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/key.h>
/*PAGE
*
* 17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165
*/
void *pthread_getspecific(
pthread_key_t key
)
{
register POSIX_Keys_Control *the_key;
unsigned32 index;
unsigned32 class;
Objects_Locations location;
void *key_data;
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE: /* should never happen */
return NULL;
case OBJECTS_LOCAL:
index = _Objects_Get_index( _Thread_Executing->Object.id );
class = _Objects_Get_class( _Thread_Executing->Object.id );
key_data = (void *) the_key->Values[ class ][ index ];
_Thread_Enable_dispatch();
return key_data;
}
return (void *) POSIX_BOTTOM_REACHED();
}
c/src/exec/posix/src/keyrundestructors.c
+76
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@@ -0,0 +1,76 @@
/*
* $Id$
*/
#include <errno.h>
#include <limits.h>
#include <pthread.h>
#include <string.h>
#include <rtems/system.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/key.h>
/*PAGE
*
* _POSIX_Keys_Run_destructors
*
* 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
*
* NOTE: This is the routine executed when a thread exits to
* run through all the keys and do the destructor action.
*/
void _POSIX_Keys_Run_destructors(
Thread_Control *thread
)
{
unsigned32 index;
unsigned32 pthread_index;
unsigned32 pthread_class;
unsigned32 iterations;
boolean are_all_null;
POSIX_Keys_Control *the_key;
void *value;
pthread_index = _Objects_Get_index( thread->Object.id );
pthread_class = _Objects_Get_class( thread->Object.id );
iterations = 0;
for ( ; ; ) {
are_all_null = TRUE;
for ( index=1 ; index <= _POSIX_Keys_Information.maximum ; index++ ) {
the_key = (POSIX_Keys_Control *)
_POSIX_Keys_Information.local_table[ index ];
if ( the_key && the_key->is_active && the_key->destructor ) {
value = the_key->Values[ pthread_class ][ pthread_index ];
if ( value ) {
(*the_key->destructor)( value );
if ( the_key->Values[ pthread_class ][ pthread_index ] )
are_all_null = FALSE;
}
}
}
if ( are_all_null == TRUE )
return;
iterations++;
/*
* The standard allows one to not do this and thus go into an infinite
* loop. It seems rude to unnecessarily lock up a system.
*
* Reference: 17.1.1.2 P1003.1c/Draft 10, p. 163, line 99.
*/
if ( iterations >= PTHREAD_DESTRUCTOR_ITERATIONS )
return;
}
}
c/src/exec/posix/src/keysetspecific.c
+43
View File
@@ -0,0 +1,43 @@
/*
* $Id$
*/
#include <errno.h>
#include <limits.h>
#include <pthread.h>
#include <string.h>
#include <rtems/system.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/key.h>
/*PAGE
*
* 17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165
*/
int pthread_setspecific(
pthread_key_t key,
const void *value
)
{
register POSIX_Keys_Control *the_key;
unsigned32 index;
unsigned32 class;
Objects_Locations location;
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE: /* should never happen */
return EINVAL;
case OBJECTS_LOCAL:
index = _Objects_Get_index( _Thread_Executing->Object.id );
class = _Objects_Get_class( _Thread_Executing->Object.id );
the_key->Values[ class ][ index ] = (void *) value;
_Thread_Enable_dispatch();
return 0;
}
return POSIX_BOTTOM_REACHED();
}
cpukit/posix/src/key.c
-225
View File
@@ -35,228 +35,3 @@ void _POSIX_Key_Manager_initialization(
FALSE
);
}
/*PAGE
*
* 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
*/
int pthread_key_create(
pthread_key_t *key,
void (*destructor)( void * )
)
{
POSIX_Keys_Control *the_key;
void *table;
unsigned32 the_class;
unsigned32 bytes_to_allocate;
_Thread_Disable_dispatch();
the_key = _POSIX_Keys_Allocate();
if ( !the_key ) {
_Thread_Enable_dispatch();
return EAGAIN;
}
the_key->destructor = destructor;
for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS;
the_class++ ) {
bytes_to_allocate =
(_Objects_Information_table[ the_class ]->maximum + 1) * sizeof( void * );
table = _Workspace_Allocate( bytes_to_allocate );
if ( !table ) {
for ( --the_class;
the_class >= OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class-- )
_Workspace_Free( the_key->Values[ the_class ] );
_POSIX_Keys_Free( the_key );
_Thread_Enable_dispatch();
return ENOMEM;
}
the_key->Values[ the_class ] = table;
memset( table, '\0', bytes_to_allocate );
}
the_key->is_active = TRUE;
_Objects_Open( &_POSIX_Keys_Information, &the_key->Object, 0 );
*key = the_key->Object.id;
_Thread_Enable_dispatch();
return 0;
}
/*PAGE
*
* 17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165
*/
int pthread_setspecific(
pthread_key_t key,
const void *value
)
{
register POSIX_Keys_Control *the_key;
unsigned32 index;
unsigned32 class;
Objects_Locations location;
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE: /* should never happen */
return EINVAL;
case OBJECTS_LOCAL:
index = _Objects_Get_index( _Thread_Executing->Object.id );
class = _Objects_Get_class( _Thread_Executing->Object.id );
the_key->Values[ class ][ index ] = (void *) value;
_Thread_Enable_dispatch();
return 0;
}
return POSIX_BOTTOM_REACHED();
}
/*PAGE
*
* 17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165
*/
void *pthread_getspecific(
pthread_key_t key
)
{
register POSIX_Keys_Control *the_key;
unsigned32 index;
unsigned32 class;
Objects_Locations location;
void *key_data;
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE: /* should never happen */
return NULL;
case OBJECTS_LOCAL:
index = _Objects_Get_index( _Thread_Executing->Object.id );
class = _Objects_Get_class( _Thread_Executing->Object.id );
key_data = (void *) the_key->Values[ class ][ index ];
_Thread_Enable_dispatch();
return key_data;
}
return (void *) POSIX_BOTTOM_REACHED();
}
/*PAGE
*
* 17.1.3 Thread-Specific Data Key Deletion, P1003.1c/Draft 10, p. 167
*/
int pthread_key_delete(
pthread_key_t key
)
{
register POSIX_Keys_Control *the_key;
Objects_Locations location;
unsigned32 the_class;
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE: /* should never happen */
return EINVAL;
case OBJECTS_LOCAL:
_Objects_Close( &_POSIX_Keys_Information, &the_key->Object );
the_key->is_active = FALSE;
for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS;
the_class++ )
_Workspace_Free( the_key->Values[ the_class ] );
/*
* NOTE: The destructor is not called and it is the responsibility
* of the application to free the memory.
*/
_POSIX_Keys_Free( the_key );
_Thread_Enable_dispatch();
return 0;
}
return POSIX_BOTTOM_REACHED();
}
/*PAGE
*
* _POSIX_Keys_Run_destructors
*
* 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
*
* NOTE: This is the routine executed when a thread exits to
* run through all the keys and do the destructor action.
*/
void _POSIX_Keys_Run_destructors(
Thread_Control *thread
)
{
unsigned32 index;
unsigned32 pthread_index;
unsigned32 pthread_class;
unsigned32 iterations;
boolean are_all_null;
POSIX_Keys_Control *the_key;
void *value;
pthread_index = _Objects_Get_index( thread->Object.id );
pthread_class = _Objects_Get_class( thread->Object.id );
iterations = 0;
for ( ; ; ) {
are_all_null = TRUE;
for ( index=1 ; index <= _POSIX_Keys_Information.maximum ; index++ ) {
the_key = (POSIX_Keys_Control *)
_POSIX_Keys_Information.local_table[ index ];
if ( the_key && the_key->is_active && the_key->destructor ) {
value = the_key->Values[ pthread_class ][ pthread_index ];
if ( value ) {
(*the_key->destructor)( value );
if ( the_key->Values[ pthread_class ][ pthread_index ] )
are_all_null = FALSE;
}
}
}
if ( are_all_null == TRUE )
return;
iterations++;
/*
* The standard allows one to not do this and thus go into an infinite
* loop. It seems rude to unnecessarily lock up a system.
*
* Reference: 17.1.1.2 P1003.1c/Draft 10, p. 163, line 99.
*/
if ( iterations >= PTHREAD_DESTRUCTOR_ITERATIONS )
return;
}
}
cpukit/posix/src/keycreate.c
+75
View File
@@ -0,0 +1,75 @@
/*
* $Id$
*/
#include <errno.h>
#include <limits.h>
#include <pthread.h>
#include <string.h>
#include <rtems/system.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/key.h>
/*PAGE
*
* 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
*/
int pthread_key_create(
pthread_key_t *key,
void (*destructor)( void * )
)
{
POSIX_Keys_Control *the_key;
void *table;
unsigned32 the_class;
unsigned32 bytes_to_allocate;
_Thread_Disable_dispatch();
the_key = _POSIX_Keys_Allocate();
if ( !the_key ) {
_Thread_Enable_dispatch();
return EAGAIN;
}
the_key->destructor = destructor;
for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS;
the_class++ ) {
bytes_to_allocate =
(_Objects_Information_table[ the_class ]->maximum + 1) * sizeof( void * );
table = _Workspace_Allocate( bytes_to_allocate );
if ( !table ) {
for ( --the_class;
the_class >= OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class-- )
_Workspace_Free( the_key->Values[ the_class ] );
_POSIX_Keys_Free( the_key );
_Thread_Enable_dispatch();
return ENOMEM;
}
the_key->Values[ the_class ] = table;
memset( table, '\0', bytes_to_allocate );
}
the_key->is_active = TRUE;
_Objects_Open( &_POSIX_Keys_Information, &the_key->Object, 0 );
*key = the_key->Object.id;
_Thread_Enable_dispatch();
return 0;
}
cpukit/posix/src/keydelete.c
+53
View File
@@ -0,0 +1,53 @@
/*
* $Id$
*/
#include <errno.h>
#include <limits.h>
#include <pthread.h>
#include <string.h>
#include <rtems/system.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/key.h>
/*PAGE
*
* 17.1.3 Thread-Specific Data Key Deletion, P1003.1c/Draft 10, p. 167
*/
int pthread_key_delete(
pthread_key_t key
)
{
register POSIX_Keys_Control *the_key;
Objects_Locations location;
unsigned32 the_class;
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE: /* should never happen */
return EINVAL;
case OBJECTS_LOCAL:
_Objects_Close( &_POSIX_Keys_Information, &the_key->Object );
the_key->is_active = FALSE;
for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS;
the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS;
the_class++ )
_Workspace_Free( the_key->Values[ the_class ] );
/*
* NOTE: The destructor is not called and it is the responsibility
* of the application to free the memory.
*/
_POSIX_Keys_Free( the_key );
_Thread_Enable_dispatch();
return 0;
}
return POSIX_BOTTOM_REACHED();
}
cpukit/posix/src/keygetspecific.c
+43
View File
@@ -0,0 +1,43 @@
/*
* $Id$
*/
#include <errno.h>
#include <limits.h>
#include <pthread.h>
#include <string.h>
#include <rtems/system.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/key.h>
/*PAGE
*
* 17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165
*/
void *pthread_getspecific(
pthread_key_t key
)
{
register POSIX_Keys_Control *the_key;
unsigned32 index;
unsigned32 class;
Objects_Locations location;
void *key_data;
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE: /* should never happen */
return NULL;
case OBJECTS_LOCAL:
index = _Objects_Get_index( _Thread_Executing->Object.id );
class = _Objects_Get_class( _Thread_Executing->Object.id );
key_data = (void *) the_key->Values[ class ][ index ];
_Thread_Enable_dispatch();
return key_data;
}
return (void *) POSIX_BOTTOM_REACHED();
}
cpukit/posix/src/keyrundestructors.c
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@@ -0,0 +1,76 @@
/*
* $Id$
*/
#include <errno.h>
#include <limits.h>
#include <pthread.h>
#include <string.h>
#include <rtems/system.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/key.h>
/*PAGE
*
* _POSIX_Keys_Run_destructors
*
* 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
*
* NOTE: This is the routine executed when a thread exits to
* run through all the keys and do the destructor action.
*/
void _POSIX_Keys_Run_destructors(
Thread_Control *thread
)
{
unsigned32 index;
unsigned32 pthread_index;
unsigned32 pthread_class;
unsigned32 iterations;
boolean are_all_null;
POSIX_Keys_Control *the_key;
void *value;
pthread_index = _Objects_Get_index( thread->Object.id );
pthread_class = _Objects_Get_class( thread->Object.id );
iterations = 0;
for ( ; ; ) {
are_all_null = TRUE;
for ( index=1 ; index <= _POSIX_Keys_Information.maximum ; index++ ) {
the_key = (POSIX_Keys_Control *)
_POSIX_Keys_Information.local_table[ index ];
if ( the_key && the_key->is_active && the_key->destructor ) {
value = the_key->Values[ pthread_class ][ pthread_index ];
if ( value ) {
(*the_key->destructor)( value );
if ( the_key->Values[ pthread_class ][ pthread_index ] )
are_all_null = FALSE;
}
}
}
if ( are_all_null == TRUE )
return;
iterations++;
/*
* The standard allows one to not do this and thus go into an infinite
* loop. It seems rude to unnecessarily lock up a system.
*
* Reference: 17.1.1.2 P1003.1c/Draft 10, p. 163, line 99.
*/
if ( iterations >= PTHREAD_DESTRUCTOR_ITERATIONS )
return;
}
}
cpukit/posix/src/keysetspecific.c
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/*
* $Id$
*/
#include <errno.h>
#include <limits.h>
#include <pthread.h>
#include <string.h>
#include <rtems/system.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/key.h>
/*PAGE
*
* 17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165
*/
int pthread_setspecific(
pthread_key_t key,
const void *value
)
{
register POSIX_Keys_Control *the_key;
unsigned32 index;
unsigned32 class;
Objects_Locations location;
the_key = _POSIX_Keys_Get( key, &location );
switch ( location ) {
case OBJECTS_ERROR:
case OBJECTS_REMOTE: /* should never happen */
return EINVAL;
case OBJECTS_LOCAL:
index = _Objects_Get_index( _Thread_Executing->Object.id );
class = _Objects_Get_class( _Thread_Executing->Object.id );
the_key->Values[ class ][ index ] = (void *) value;
_Thread_Enable_dispatch();
return 0;
}
return POSIX_BOTTOM_REACHED();
}