211 lines
4.5 KiB
C
211 lines
4.5 KiB
C
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2004-2012
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* thread calls
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*/
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#if defined(_WIN32)
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#include <windows.h>
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#else
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#include <pthread.h>
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#include <semaphore.h>
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#endif
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#include "arch.h"
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#include "thread_calls.h"
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#include "os_calls.h"
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/*****************************************************************************/
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/* returns error */
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#if defined(_WIN32)
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int APP_CC
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tc_thread_create(unsigned long (__stdcall *start_routine)(void *), void *arg)
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{
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int rv = 0;
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DWORD thread_id = 0;
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HANDLE thread = (HANDLE)0;
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/* CreateThread returns handle or zero on error */
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thread = CreateThread(0, 0, start_routine, arg, 0, &thread_id);
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rv = !thread;
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CloseHandle(thread);
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return rv;
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}
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#else
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int APP_CC
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tc_thread_create(void * (* start_routine)(void *), void *arg)
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{
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int rv = 0;
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pthread_t thread = (pthread_t)0;
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g_memset(&thread, 0x00, sizeof(pthread_t));
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/* pthread_create returns error */
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rv = pthread_create(&thread, 0, start_routine, arg);
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if (!rv)
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{
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rv = pthread_detach(thread);
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}
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return rv;
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}
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#endif
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/*****************************************************************************/
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tbus APP_CC
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tc_get_threadid(void)
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{
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#if defined(_WIN32)
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return (tbus)GetCurrentThreadId();
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#else
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return (tbus)pthread_self();
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#endif
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}
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/*****************************************************************************/
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/* returns boolean */
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int APP_CC
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tc_threadid_equal(tbus tid1, tbus tid2)
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{
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#if defined(_WIN32)
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return tid1 == tid2;
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#else
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return pthread_equal((pthread_t)tid1, (pthread_t)tid2);
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#endif
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}
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/*****************************************************************************/
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tbus APP_CC
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tc_mutex_create(void)
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{
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#if defined(_WIN32)
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return (tbus)CreateMutex(0, 0, 0);
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#else
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pthread_mutex_t *lmutex;
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lmutex = (pthread_mutex_t *)g_malloc(sizeof(pthread_mutex_t), 0);
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pthread_mutex_init(lmutex, 0);
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return (tbus)lmutex;
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#endif
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}
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/*****************************************************************************/
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void APP_CC
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tc_mutex_delete(tbus mutex)
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{
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#if defined(_WIN32)
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CloseHandle((HANDLE)mutex);
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#else
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pthread_mutex_t *lmutex;
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lmutex = (pthread_mutex_t *)mutex;
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pthread_mutex_destroy(lmutex);
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g_free(lmutex);
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#endif
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}
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/*****************************************************************************/
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int APP_CC
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tc_mutex_lock(tbus mutex)
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{
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#if defined(_WIN32)
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WaitForSingleObject((HANDLE)mutex, INFINITE);
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return 0;
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#else
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pthread_mutex_lock((pthread_mutex_t *)mutex);
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return 0;
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#endif
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}
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/*****************************************************************************/
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int APP_CC
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tc_mutex_unlock(tbus mutex)
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{
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int rv = 0;
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#if defined(_WIN32)
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ReleaseMutex((HANDLE)mutex);
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#else
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if (mutex != 0)
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{
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rv = pthread_mutex_unlock((pthread_mutex_t *)mutex);
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}
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#endif
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return rv;
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}
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/*****************************************************************************/
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tbus APP_CC
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tc_sem_create(int init_count)
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{
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#if defined(_WIN32)
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HANDLE sem;
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sem = CreateSemaphore(0, init_count, init_count + 10, 0);
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return (tbus)sem;
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#else
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sem_t *sem = (sem_t *)NULL;
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sem = (sem_t *)g_malloc(sizeof(sem_t), 0);
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sem_init(sem, 0, init_count);
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return (tbus)sem;
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#endif
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}
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/*****************************************************************************/
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void APP_CC
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tc_sem_delete(tbus sem)
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{
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#if defined(_WIN32)
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CloseHandle((HANDLE)sem);
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#else
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sem_t *lsem;
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lsem = (sem_t *)sem;
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sem_destroy(lsem);
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g_free(lsem);
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#endif
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}
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/*****************************************************************************/
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int APP_CC
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tc_sem_dec(tbus sem)
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{
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#if defined(_WIN32)
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WaitForSingleObject((HANDLE)sem, INFINITE);
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return 0;
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#else
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sem_wait((sem_t *)sem);
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return 0;
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#endif
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}
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/*****************************************************************************/
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int APP_CC
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tc_sem_inc(tbus sem)
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{
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#if defined(_WIN32)
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ReleaseSemaphore((HANDLE)sem, 1, 0);
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return 0;
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#else
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sem_post((sem_t *)sem);
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return 0;
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#endif
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}
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