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      1 /**************************************************************************
      2  *
      3  * Copyright 2010 Luca Barbieri
      4  *
      5  * Permission is hereby granted, free of charge, to any person obtaining
      6  * a copy of this software and associated documentation files (the
      7  * "Software"), to deal in the Software without restriction, including
      8  * without limitation the rights to use, copy, modify, merge, publish,
      9  * distribute, sublicense, and/or sell copies of the Software, and to
     10  * permit persons to whom the Software is furnished to do so, subject to
     11  * the following conditions:
     12  *
     13  * The above copyright notice and this permission notice (including the
     14  * next paragraph) shall be included in all copies or substantial
     15  * portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
     21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     24  *
     25  **************************************************************************/
     26 
     27 #ifndef U_DEBUG_REFCNT_H_
     28 #define U_DEBUG_REFCNT_H_
     29 
     30 #include "pipe/p_config.h"
     31 #include "pipe/p_state.h"
     32 
     33 #ifdef __cplusplus
     34 extern "C" {
     35 #endif
     36 
     37 typedef void (*debug_reference_descriptor)(char*, const struct pipe_reference*);
     38 
     39 #if defined(DEBUG) && (!defined(PIPE_OS_WINDOWS) || defined(PIPE_SUBSYSTEM_WINDOWS_USER))
     40 
     41 extern int debug_refcnt_state;
     42 
     43 void
     44 debug_reference_slowpath(const struct pipe_reference* p,
     45                          debug_reference_descriptor get_desc, int change);
     46 
     47 static inline void
     48 debug_reference(const struct pipe_reference* p,
     49                 debug_reference_descriptor get_desc, int change)
     50 {
     51    if (debug_refcnt_state >= 0)
     52       debug_reference_slowpath(p, get_desc, change);
     53 }
     54 
     55 #else
     56 
     57 static inline void
     58 debug_reference(const struct pipe_reference* p,
     59                 debug_reference_descriptor get_desc, int change)
     60 {
     61 }
     62 
     63 #endif
     64 
     65 #ifdef __cplusplus
     66 }
     67 #endif
     68 
     69 #endif /* U_DEBUG_REFCNT_H_ */
     70