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