20169715df
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@20820 e7fa87d3-cd2b-0410-9028-fcbf551c1848
136 lines
3.6 KiB
C++
136 lines
3.6 KiB
C++
//
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//Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
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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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//
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// 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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//
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// Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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//POSSIBILITY OF SUCH DAMAGE.
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//
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//
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// This file contains the Linux specific functions
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//
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#include "osinclude.h"
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#include "InitializeDll.h"
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//
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// Thread cleanup
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//
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//
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// Wrapper for Linux call to DetachThread. This is required as pthread_cleanup_push() expects
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// the cleanup routine to return void.
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//
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void DetachThreadLinux(void *)
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{
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DetachThread();
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}
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//
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// Registers cleanup handler, sets cancel type and state, and excecutes the thread specific
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// cleanup handler. This function will be called in the Standalone.cpp for regression
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// testing. When OpenGL applications are run with the driver code, Linux OS does the
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// thread cleanup.
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//
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void OS_CleanupThreadData(void)
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{
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int old_cancel_state, old_cancel_type;
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void *cleanupArg = NULL;
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//
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// Set thread cancel state and push cleanup handler.
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//
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pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &old_cancel_state);
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pthread_cleanup_push(DetachThreadLinux, (void *) cleanupArg);
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//
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// Put the thread in deferred cancellation mode.
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//
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pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, &old_cancel_type);
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//
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// Pop cleanup handler and execute it prior to unregistering the cleanup handler.
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//
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pthread_cleanup_pop(1);
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//
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// Restore the thread's previous cancellation mode.
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//
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pthread_setcanceltype(old_cancel_state, NULL);
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}
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//
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// Thread Local Storage Operations
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//
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OS_TLSIndex OS_AllocTLSIndex()
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{
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pthread_key_t pPoolIndex;
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//
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// Create global pool key.
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//
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if ((pthread_key_create(&pPoolIndex, NULL)) != 0) {
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assert(0 && "OS_AllocTLSIndex(): Unable to allocate Thread Local Storage");
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return false;
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}
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else
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return pPoolIndex;
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}
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bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue)
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{
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if (nIndex == OS_INVALID_TLS_INDEX) {
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assert(0 && "OS_SetTLSValue(): Invalid TLS Index");
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return false;
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}
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if (pthread_setspecific(nIndex, lpvValue) == 0)
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return true;
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else
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return false;
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}
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bool OS_FreeTLSIndex(OS_TLSIndex nIndex)
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{
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if (nIndex == OS_INVALID_TLS_INDEX) {
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assert(0 && "OS_SetTLSValue(): Invalid TLS Index");
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return false;
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}
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//
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// Delete the global pool key.
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//
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if (pthread_key_delete(nIndex) == 0)
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return true;
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else
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return false;
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}
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