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1058ea986a
type process_data_t. This was an artifact when the choice was made to use the void * type for the data parameter in processes. Changed parameter 'void * data' of process_post_synch to process_data_t for consistency. Checked all the uses of process_start() in contiki and fixed casts of the data parameter.
113 lines
3.8 KiB
C
113 lines
3.8 KiB
C
/*
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Oliver Schmidt <ol.sc@web.de>
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*
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*/
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#define WIN32_LEAN_AND_MEAN
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#define _WIN32_WINNT 0x0501
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#include <windows.h>
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#include "contiki.h"
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/*---------------------------------------------------------------------------*/
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int
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dll_loader_load(char *name, char *arg)
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{
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HMODULE handle;
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FARPROC p;
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/* Load and link the program. */
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handle = LoadLibrary(name);
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if(handle == NULL) {
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debug_printf("dll_loader_load: loading failed: %d\n", GetLastError());
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return LOADER_ERR_OPEN;
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}
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/* Find the processes to be started from the loaded program. */
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p = GetProcAddress(handle, "autostart_processes");
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if(p == NULL) {
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debug_printf("dll_loader_load: could not find symbol 'autostart_processes'\n");
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return LOADER_ERR_READ;
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}
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/* Start the process. */
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debug_printf("Starting '%s'\n", (**(struct process ***)&p)->name);
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process_start(**(struct process ***)&p, (void *)arg);
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return LOADER_OK;
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}
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/*---------------------------------------------------------------------------*/
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void
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dll_loader_unload(void *addr)
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{
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/* Avoid Access Violation Exception due to unloading code still being executed. */
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QueueUserAPC((PAPCFUNC)dll_loader_unload_dsc, GetCurrentThread(), (ULONG_PTR)addr);
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}
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/*---------------------------------------------------------------------------*/
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struct dsc *
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dll_loader_load_dsc(char *name)
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{
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HMODULE handle;
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FARPROC d;
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char symbol[24];
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handle = LoadLibrary(name);
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if(handle == NULL) {
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debug_printf("dll_loader_load_dsc: loading failed: %d\n", GetLastError());
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return NULL;
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}
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strcpy(symbol, name);
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*strchr(symbol, '.') = '_';
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d = GetProcAddress(handle, symbol);
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if(d == NULL) {
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debug_printf("dll_loader_load_dsc: could not find symbol '%s'\n", symbol);
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return NULL;
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}
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return *(struct dsc **)&d;
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}
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/*---------------------------------------------------------------------------*/
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void __stdcall
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dll_loader_unload_dsc(void *addr)
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{
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HMODULE handle;
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GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS |
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GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, addr, &handle);
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FreeLibrary(handle);
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}
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/*---------------------------------------------------------------------------*/
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