1 #if USE_DEBUGGER
2 /*
3  * kmp_debugger.h -- debugger support.
4  */
5 
6 
7 //===----------------------------------------------------------------------===//
8 //
9 //                     The LLVM Compiler Infrastructure
10 //
11 // This file is dual licensed under the MIT and the University of Illinois Open
12 // Source Licenses. See LICENSE.txt for details.
13 //
14 //===----------------------------------------------------------------------===//
15 
16 
17 #ifndef KMP_DEBUGGER_H
18 #define KMP_DEBUGGER_H
19 
20 #ifdef __cplusplus
21     extern "C" {
22 #endif // __cplusplus
23 
24 /* * This external variable can be set by any debugger to flag to the runtime that we
25    are currently executing inside a debugger.  This will allow the debugger to override
26    the number of threads spawned in a parallel region by using __kmp_omp_num_threads() (below).
27    * When __kmp_debugging is TRUE, each team and each task gets a unique integer identifier
28    that can be used by debugger to conveniently identify teams and tasks.
29    * The debugger has access to __kmp_omp_debug_struct_info which contains information
30    about the OpenMP library's important internal structures.  This access will allow the debugger
31    to read detailed information from the typical OpenMP constructs (teams, threads, tasking, etc. )
32    during a debugging session and offer detailed and useful information which the user can probe
33    about the OpenMP portion of their code.
34    */
35 extern int __kmp_debugging;             /* Boolean whether currently debugging OpenMP RTL */
36 // Return number of threads specified by the debugger for given parallel region.
37 /* The ident field, which represents a source file location, is used to check if the
38    debugger has changed the number of threads for the parallel region at source file
39    location ident.  This way, specific parallel regions' number of threads can be changed
40    at the debugger's request.
41  */
42 int __kmp_omp_num_threads( ident_t const * ident );
43 
44 #ifdef __cplusplus
45     } // extern "C"
46 #endif // __cplusplus
47 
48 
49 #endif // KMP_DEBUGGER_H
50 
51 #endif // USE_DEBUGGER
52