| /************************************************************************** |
| |
| Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. |
| Copyright 2003 Eric Anholt |
| All Rights Reserved. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a |
| copy of this software and associated documentation files (the "Software"), |
| to deal in the Software without restriction, including without limitation |
| on the rights to use, copy, modify, merge, publish, distribute, sub |
| license, and/or sell copies of the Software, and to permit persons to whom |
| the Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice (including the next |
| paragraph) shall be included in all copies or substantial portions of the |
| Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP BE LIABLE FOR ANY CLAIM, |
| DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| **************************************************************************/ |
| /* $XFree86$ */ |
| |
| /* |
| * Authors: |
| * Sung-Ching Lin <sclin@sis.com.tw> |
| * Eric Anholt <anholt@FreeBSD.org> |
| */ |
| |
| #ifndef __SIS_LOCK_H |
| #define __SIS_LOCK_H |
| |
| extern void sisGetLock( sisContextPtr smesa, GLuint flags ); |
| |
| #ifdef DEBUG_LOCKING |
| extern char *prevLockFile; |
| extern int prevLockLine; |
| #define DEBUG_LOCK() \ |
| do { \ |
| prevLockFile=(__FILE__); \ |
| prevLockLine=(__LINE__); \ |
| } while (0) |
| #define DEBUG_RESET() \ |
| do { \ |
| prevLockFile=NULL; \ |
| prevLockLine=0; \ |
| } while (0) |
| #define DEBUG_CHECK_LOCK() \ |
| do { \ |
| if(prevLockFile){ \ |
| fprintf(stderr, "LOCK SET : %s:%d\n", __FILE__, __LINE__); \ |
| } \ |
| } while (0) |
| #else |
| #define DEBUG_LOCK() |
| #define DEBUG_RESET() |
| #define DEBUG_CHECK_LOCK() |
| #endif |
| |
| /* Lock the hardware using the global current context */ |
| #define LOCK_HARDWARE() \ |
| do { \ |
| char __ret=0; \ |
| mEndPrimitive(); \ |
| DEBUG_CHECK_LOCK(); \ |
| DRM_CAS( smesa->driHwLock, smesa->hHWContext, \ |
| (DRM_LOCK_HELD | smesa->hHWContext), __ret ); \ |
| if ( __ret != 0 ) \ |
| sisGetLock( smesa, 0 ); \ |
| DEBUG_LOCK(); \ |
| } while (0) |
| |
| /* Unlock the hardware using the global current context */ |
| #define UNLOCK_HARDWARE() \ |
| do { \ |
| mEndPrimitive(); \ |
| DRM_UNLOCK(smesa->driFd, smesa->driHwLock, \ |
| smesa->hHWContext); \ |
| DEBUG_RESET(); \ |
| } while (0) |
| |
| #endif |
