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48 lines
2 KiB
C
48 lines
2 KiB
C
#if USE_DEBUGGER
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/*
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* kmp_debugger.h -- debugger support.
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*/
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef KMP_DEBUGGER_H
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#define KMP_DEBUGGER_H
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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/* This external variable can be set by any debugger to flag to the runtime
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that we are currently executing inside a debugger. This will allow the
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debugger to override the number of threads spawned in a parallel region by
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using __kmp_omp_num_threads() (below).
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* When __kmp_debugging is TRUE, each team and each task gets a unique integer
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identifier that can be used by debugger to conveniently identify teams and
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tasks.
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* The debugger has access to __kmp_omp_debug_struct_info which contains
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information about the OpenMP library's important internal structures. This
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access will allow the debugger to read detailed information from the typical
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OpenMP constructs (teams, threads, tasking, etc. ) during a debugging
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session and offer detailed and useful information which the user can probe
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about the OpenMP portion of their code. */
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extern int __kmp_debugging; /* Boolean whether currently debugging OpenMP RTL */
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// Return number of threads specified by the debugger for given parallel region.
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/* The ident field, which represents a source file location, is used to check if
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the debugger has changed the number of threads for the parallel region at
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source file location ident. This way, specific parallel regions' number of
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threads can be changed at the debugger's request. */
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int __kmp_omp_num_threads(ident_t const *ident);
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#ifdef __cplusplus
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} // extern "C"
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#endif // __cplusplus
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#endif // KMP_DEBUGGER_H
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#endif // USE_DEBUGGER
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