/** * @file * * @brief POSIX Cleanup Support * @ingroup POSIXAPI */ /* * COPYRIGHT (c) 1989-2008. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rtems.org/license/LICENSE. */ #if HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include void _pthread_cleanup_push( struct _pthread_cleanup_context *context, void ( *routine )( void * ), void *arg ) { ISR_Level level; Thread_Control *executing; context->_routine = routine; context->_arg = arg; /* This value is unused, just provide a deterministic value */ context->_canceltype = -1; _ISR_Local_disable( level ); executing = _Thread_Executing; context->_previous = executing->last_cleanup_context; executing->last_cleanup_context = context; _ISR_Local_enable( level ); } void _pthread_cleanup_pop( struct _pthread_cleanup_context *context, int execute ) { ISR_Level level; Thread_Control *executing; if ( execute != 0 ) { ( *context->_routine )( context->_arg ); } _ISR_Local_disable( level ); executing = _Thread_Executing; executing->last_cleanup_context = context->_previous; _ISR_Local_enable( level ); } static void _POSIX_Cleanup_terminate_extension( Thread_Control *the_thread ) { struct _pthread_cleanup_context *context; context = the_thread->last_cleanup_context; the_thread->last_cleanup_context = NULL; while ( context != NULL ) { ( *context->_routine )( context->_arg ); context = context->_previous; } } static void _POSIX_Cleanup_restart_extension( Thread_Control *executing, Thread_Control *the_thread ) { (void) executing; _POSIX_Cleanup_terminate_extension( the_thread ); } static User_extensions_Control _POSIX_Cleanup_extensions = { .Callouts = { .thread_restart = _POSIX_Cleanup_restart_extension, .thread_terminate = _POSIX_Cleanup_terminate_extension } }; static void _POSIX_Cleanup_initialization( void ) { _User_extensions_Add_API_set( &_POSIX_Cleanup_extensions ); } RTEMS_SYSINIT_ITEM( _POSIX_Cleanup_initialization, RTEMS_SYSINIT_POSIX_CLEANUP, RTEMS_SYSINIT_ORDER_MIDDLE );