/* * Copyright (c) 2010 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Apple Inc. ("Apple") nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Portions of this software have been released under the following terms: * * (c) Copyright 1989-1993 OPEN SOFTWARE FOUNDATION, INC. * (c) Copyright 1989-1993 HEWLETT-PACKARD COMPANY * (c) Copyright 1989-1993 DIGITAL EQUIPMENT CORPORATION * * To anyone who acknowledges that this file is provided "AS IS" * without any express or implied warranty: * permission to use, copy, modify, and distribute this file for any * purpose is hereby granted without fee, provided that the above * copyright notices and this notice appears in all source code copies, * and that none of the names of Open Software Foundation, Inc., Hewlett- * Packard Company or Digital Equipment Corporation be used * in advertising or publicity pertaining to distribution of the software * without specific, written prior permission. Neither Open Software * Foundation, Inc., Hewlett-Packard Company nor Digital * Equipment Corporation makes any representations about the suitability * of this software for any purpose. * * Copyright (c) 2007, Novell, Inc. All rights reserved. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Novell Inc. nor the names of its contributors * may be used to endorse or promote products derived from this * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * @APPLE_LICENSE_HEADER_END@ */ /* ** ** NAME: ** ** eenodtbl.c ** ** FACILITY: ** ** IDL Stub Runtime Support ** ** ABSTRACT: ** ** Multi-threading support for callee nodes ** ** VERSION: DCE 1.0 ** */ #if HAVE_CONFIG_H #include <config.h> #endif #include <dce/rpc.h> #include <dce/stubbase.h> #include <lsysdep.h> #include <assert.h> static idl_void_p_t rpc_ss_allocate_ex ( idl_void_p_t context ATTRIBUTE_UNUSED, idl_size_t size ) { assert(context == NULL); return rpc_ss_allocate(size); } static void rpc_ss_free_ex ( idl_void_p_t context ATTRIBUTE_UNUSED, idl_void_p_t ptr ) { assert(context == NULL); rpc_ss_free(ptr); } /******************************************************************************/ /* */ /* Fill in a support pointers structure and create an indirection */ /* for this thread */ /* */ /******************************************************************************/ void rpc_ss_build_indirection_struct ( rpc_ss_thread_support_ptrs_t *p_thread_support_ptrs, rpc_ss_mem_handle *p_mem_handle, idl_boolean free_referents ) { rpc_ss_thread_indirection_t *helper_thread_indirection_ptr; /* If a context exists, destroy it */ RPC_SS_THREADS_KEY_GET_CONTEXT( rpc_ss_thread_supp_key, &helper_thread_indirection_ptr ); if ( helper_thread_indirection_ptr != NULL ) { free( helper_thread_indirection_ptr ); } RPC_SS_THREADS_MUTEX_CREATE(&(p_thread_support_ptrs->mutex)); p_thread_support_ptrs->p_mem_h = p_mem_handle; p_thread_support_ptrs->allocator.p_allocate = rpc_ss_allocate_ex; p_thread_support_ptrs->allocator.p_free = rpc_ss_free_ex; p_thread_support_ptrs->allocator.p_context = NULL; helper_thread_indirection_ptr = (rpc_ss_thread_indirection_t *) malloc(sizeof(rpc_ss_thread_indirection_t)); helper_thread_indirection_ptr->indirection = p_thread_support_ptrs; helper_thread_indirection_ptr->free_referents = free_referents; RPC_SS_THREADS_KEY_SET_CONTEXT( rpc_ss_thread_supp_key, helper_thread_indirection_ptr ); } /******************************************************************************/ /* */ /* Create a support pointers structure for this thread */ /* Only called from server stub */ /* */ /******************************************************************************/ void rpc_ss_create_support_ptrs ( rpc_ss_thread_support_ptrs_t *p_thread_support_ptrs, rpc_ss_mem_handle *p_mem_handle ) { rpc_ss_build_indirection_struct(p_thread_support_ptrs, p_mem_handle, idl_false); } /******************************************************************************/ /* */ /* Return the address of the support pointers structure for this thread */ /* */ /******************************************************************************/ void rpc_ss_get_support_ptrs ( rpc_ss_thread_support_ptrs_t **p_p_thread_support_ptrs ) { rpc_ss_thread_indirection_t *helper_thread_indirection_ptr; RPC_SS_THREADS_KEY_GET_CONTEXT( rpc_ss_thread_supp_key, &helper_thread_indirection_ptr ); *p_p_thread_support_ptrs = helper_thread_indirection_ptr->indirection; } /******************************************************************************/ /* */ /* Destroy the support pointers structure for this thread */ /* Only called from server stub */ /* */ /******************************************************************************/ void rpc_ss_destroy_support_ptrs( void ) { rpc_ss_thread_indirection_t *helper_thread_indirection_ptr; rpc_ss_thread_support_ptrs_t *p_thread_support_ptrs; /* Destroy the mutex that the context points at */ RPC_SS_THREADS_KEY_GET_CONTEXT( rpc_ss_thread_supp_key, &helper_thread_indirection_ptr ); if (helper_thread_indirection_ptr == NULL) return; p_thread_support_ptrs = helper_thread_indirection_ptr->indirection; RPC_SS_THREADS_MUTEX_DELETE( &(p_thread_support_ptrs->mutex) ); /* There is no need to delete the support_ptrs structure as it is on the server stub stack */ /* free the ptr context storage */ free( helper_thread_indirection_ptr ); /* And destroy the context - this is required for Kernel RPC */ RPC_SS_THREADS_KEY_SET_CONTEXT( rpc_ss_thread_supp_key, NULL ); } /* * The rpc_sm_... routines have the same functionality as the corresponding * rpc_ss_... routines but have an extra, error_status_t, parameter, which * is used instead of exceptions for error reporting. */ /******************************************************************************/ /* */ /* rpc_sm_allocate */ /* */ /******************************************************************************/ idl_void_p_t rpc_sm_allocate ( idl_size_t size, error_status_t *p_st ) { idl_void_p_t volatile result = NULL; // DO_NOT_CLOBBER(result); *p_st = error_status_ok; DCETHREAD_TRY { result = rpc_ss_allocate(size); } DCETHREAD_CATCH(rpc_x_no_memory) { *p_st = rpc_s_no_memory; } DCETHREAD_ENDTRY; return result; } /****************************************************************************/ /* */ /* rpc_sm_client_free */ /* */ /****************************************************************************/ void rpc_sm_client_free ( rpc_void_p_t p_mem, error_status_t *p_st ) { *p_st = error_status_ok; rpc_ss_client_free(p_mem); } /******************************************************************************/ /* */ /* Function to be called by user to release unusable context_handle */ /* */ /******************************************************************************/ void rpc_sm_destroy_client_context ( rpc_ss_context_t *p_unusable_context_handle, error_status_t *p_st ) { *p_st = error_status_ok; DCETHREAD_TRY rpc_ss_destroy_client_context(p_unusable_context_handle); DCETHREAD_CATCH(rpc_x_no_memory) *p_st = rpc_s_no_memory; DCETHREAD_ENDTRY } /******************************************************************************/ /* */ /* rpc_sm_disable_allocate */ /* */ /******************************************************************************/ void rpc_sm_disable_allocate (error_status_t *p_st ) { *p_st = error_status_ok; rpc_ss_disable_allocate(); } /******************************************************************************/ /* */ /* rpc_sm_enable_allocate */ /* */ /******************************************************************************/ void rpc_sm_enable_allocate (error_status_t *p_st) { *p_st = error_status_ok; DCETHREAD_TRY rpc_ss_enable_allocate(); DCETHREAD_CATCH(rpc_x_no_memory) *p_st = rpc_s_no_memory; DCETHREAD_ENDTRY } /******************************************************************************/ /* */ /* rpc_sm_free */ /* */ /******************************************************************************/ void rpc_sm_free ( rpc_void_p_t node_to_free, error_status_t *p_st ) { *p_st = error_status_ok; rpc_ss_free(node_to_free); } /******************************************************************************/ /* */ /* rpc_sm_get_thread_handle */ /* */ /******************************************************************************/ rpc_ss_thread_handle_t rpc_sm_get_thread_handle ( error_status_t *p_st ) { *p_st = error_status_ok; return rpc_ss_get_thread_handle(); } /******************************************************************************/ /* */ /* Create thread context with references to named alloc and free rtns */ /* */ /******************************************************************************/ void rpc_sm_set_client_alloc_free ( rpc_ss_p_alloc_t p_allocate, rpc_ss_p_free_t p_free, error_status_t *p_st ) { *p_st = error_status_ok; DCETHREAD_TRY rpc_ss_set_client_alloc_free(p_allocate, p_free); DCETHREAD_CATCH(rpc_x_no_memory) *p_st = rpc_s_no_memory; DCETHREAD_ENDTRY } /******************************************************************************/ /* */ /* rpc_sm_set_thread_handle */ /* */ /******************************************************************************/ void rpc_sm_set_thread_handle ( rpc_ss_thread_handle_t thread_handle, error_status_t *p_st ) { *p_st = error_status_ok; DCETHREAD_TRY rpc_ss_set_thread_handle(thread_handle); DCETHREAD_CATCH(rpc_x_no_memory) *p_st = rpc_s_no_memory; DCETHREAD_ENDTRY } /******************************************************************************/ /* */ /* Get the existing allocate, free routines and replace them with new ones */ /* */ /******************************************************************************/ void rpc_sm_swap_client_alloc_free ( rpc_ss_p_alloc_t p_allocate, rpc_ss_p_free_t p_free, rpc_ss_p_alloc_t * p_p_old_allocate, rpc_ss_p_free_t * p_p_old_free, error_status_t *p_st ) { *p_st = error_status_ok; DCETHREAD_TRY rpc_ss_swap_client_alloc_free(p_allocate, p_free, p_p_old_allocate, p_p_old_free); DCETHREAD_CATCH(rpc_x_no_memory) *p_st = rpc_s_no_memory; DCETHREAD_ENDTRY }