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+ Corrected enable/disable of dispatch.

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+ Cleaned up code.
This commit is contained in:
Jennifer Averett
1999-11-22 16:13:22 +00:00
parent 2545646beb
commit cb3c171847
2 changed files with 62 additions and 46 deletions
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58
c/src/exec/posix/src/semunlink.c
View File

@@ -17,6 +17,11 @@
#include <rtems/posix/seterr.h>
/*PAGE
*
* sem_unlink
*
* Unlinks a named semaphore, sem_close must also be called to remove
* the semaphore.
*
* 11.2.5 Remove a Named Semaphore, P1003.1b-1993, p.225
*/
@@ -30,35 +35,38 @@ int sem_unlink(
Objects_Id the_semaphore_id;
Objects_Locations location;
status = _POSIX_Semaphore_Name_to_id( name, &the_semaphore_id );
if ( status != 0 )
set_errno_and_return_minus_one( status );
_Thread_Disable_dispatch();
the_semaphore = _POSIX_Semaphore_Get( &the_semaphore_id, &location );
switch ( location ) {
case OBJECTS_ERROR:
set_errno_and_return_minus_one( EINVAL );
case OBJECTS_REMOTE:
_Thread_Dispatch();
return POSIX_MP_NOT_IMPLEMENTED();
set_errno_and_return_minus_one( EINVAL );
case OBJECTS_LOCAL:
status = _POSIX_Semaphore_Name_to_id( name, &the_semaphore_id );
if ( status != 0 ) {
_Thread_Enable_dispatch();
set_errno_and_return_minus_one( status );
}
/*
* Don't support unlinking a remote semaphore.
*/
if ( !_Objects_Is_local_id(the_semaphore_id) ) {
_Thread_Enable_dispatch();
set_errno_and_return_minus_one( ENOSYS );
}
the_semaphore = _Objects_Get_local_object(
&_POSIX_Semaphore_Information,
_Objects_Get_index( the_semaphore_id )
);
#if defined(RTEMS_MULTIPROCESSING)
if ( the_semaphore->process_shared == PTHREAD_PROCESS_SHARED ) {
_Objects_MP_Close(
&_POSIX_Semaphore_Information,
the_semaphore->Object.id
);
}
if ( the_semaphore->process_shared == PTHREAD_PROCESS_SHARED ) {
_Objects_MP_Close( &_POSIX_Semaphore_Information, the_semaphore_id );
}
#endif
the_semaphore->linked = FALSE;
_POSIX_Semaphore_Namespace_remove( the_semaphore );
_POSIX_Semaphore_Delete( the_semaphore );
the_semaphore->linked = FALSE;
_POSIX_Semaphore_Namespace_remove( the_semaphore );
_POSIX_Semaphore_Delete( the_semaphore );
_Thread_Enable_dispatch();
return 0;
}
return POSIX_BOTTOM_REACHED();
_Thread_Enable_dispatch();
return 0;
}

58
cpukit/posix/src/semunlink.c
View File

@@ -17,6 +17,11 @@
#include <rtems/posix/seterr.h>
/*PAGE
*
* sem_unlink
*
* Unlinks a named semaphore, sem_close must also be called to remove
* the semaphore.
*
* 11.2.5 Remove a Named Semaphore, P1003.1b-1993, p.225
*/
@@ -30,35 +35,38 @@ int sem_unlink(
Objects_Id the_semaphore_id;
Objects_Locations location;
status = _POSIX_Semaphore_Name_to_id( name, &the_semaphore_id );
if ( status != 0 )
set_errno_and_return_minus_one( status );
_Thread_Disable_dispatch();
the_semaphore = _POSIX_Semaphore_Get( &the_semaphore_id, &location );
switch ( location ) {
case OBJECTS_ERROR:
set_errno_and_return_minus_one( EINVAL );
case OBJECTS_REMOTE:
_Thread_Dispatch();
return POSIX_MP_NOT_IMPLEMENTED();
set_errno_and_return_minus_one( EINVAL );
case OBJECTS_LOCAL:
status = _POSIX_Semaphore_Name_to_id( name, &the_semaphore_id );
if ( status != 0 ) {
_Thread_Enable_dispatch();
set_errno_and_return_minus_one( status );
}
/*
* Don't support unlinking a remote semaphore.
*/
if ( !_Objects_Is_local_id(the_semaphore_id) ) {
_Thread_Enable_dispatch();
set_errno_and_return_minus_one( ENOSYS );
}
the_semaphore = _Objects_Get_local_object(
&_POSIX_Semaphore_Information,
_Objects_Get_index( the_semaphore_id )
);
#if defined(RTEMS_MULTIPROCESSING)
if ( the_semaphore->process_shared == PTHREAD_PROCESS_SHARED ) {
_Objects_MP_Close(
&_POSIX_Semaphore_Information,
the_semaphore->Object.id
);
}
if ( the_semaphore->process_shared == PTHREAD_PROCESS_SHARED ) {
_Objects_MP_Close( &_POSIX_Semaphore_Information, the_semaphore_id );
}
#endif
the_semaphore->linked = FALSE;
_POSIX_Semaphore_Namespace_remove( the_semaphore );
_POSIX_Semaphore_Delete( the_semaphore );
the_semaphore->linked = FALSE;
_POSIX_Semaphore_Namespace_remove( the_semaphore );
_POSIX_Semaphore_Delete( the_semaphore );
_Thread_Enable_dispatch();
return 0;
}
return POSIX_BOTTOM_REACHED();
_Thread_Enable_dispatch();
return 0;
}