URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [src/] [keycreate.c] - Rev 593
Go to most recent revision | Compare with Previous | Blame | View Log
/* * $Id: keycreate.c,v 1.2 2001-09-27 11:59:17 chris Exp $ */ #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; /* * This is a bit more complex than one might initially expect because * APIs are optional. Thus there may be no ITRON tasks to have keys * for. [NOTE: Currently RTEMS Classic API tasks are not always enabled.] */ for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS; the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS; the_class++ ) { if ( _Objects_Information_table[ the_class ] ) { bytes_to_allocate = sizeof( void * ) * (_Objects_Information_table[ the_class ]->maximum + 1); 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 ); } else { the_key->Values[ the_class ] = NULL; } } the_key->is_active = TRUE; _Objects_Open( &_POSIX_Keys_Information, &the_key->Object, 0 ); *key = the_key->Object.id; _Thread_Enable_dispatch(); return 0; }
Go to most recent revision | Compare with Previous | Blame | View Log