llvm/openmp/runtime/src/kmp_utility.cpp

/*
 * kmp_utility.cpp -- Utility routines for the OpenMP support library.
 */

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "kmp.h"
#include "kmp_i18n.h"
#include "kmp_str.h"
#include "kmp_wrapper_getpid.h"
#include <float.h>

static const char *unknown = …;

#if KMP_ARCH_X86 || KMP_ARCH_X86_64

/* NOTE: If called before serial_initialize (i.e. from runtime_initialize), then
   the debugging package has not been initialized yet, and only "0" will print
   debugging output since the environment variables have not been read. */

#ifdef KMP_DEBUG
static int trace_level = 5;
#endif

static kmp_uint64 __kmp_parse_frequency( // R: Frequency in Hz.
    char const *frequency // I: Float number and unit: MHz, GHz, or TGz.
) { … } // func __kmp_parse_cpu_frequency

void __kmp_query_cpuid(kmp_cpuinfo_t *p) { … }

#endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */

void __kmp_expand_host_name(char *buffer, size_t size) { … }

/* Expand the meta characters in the filename:
 * Currently defined characters are:
 * %H the hostname
 * %P the number of threads used.
 * %I the unique identifier for this run.
 */

void __kmp_expand_file_name(char *result, size_t rlen, char *pattern) { … }

#if !OMPT_SUPPORT
extern "C" {
typedef struct ompt_start_tool_result_t ompt_start_tool_result_t;
// Define symbols expected by VERSION script
ompt_start_tool_result_t *ompt_start_tool(unsigned int omp_version,
                                          const char *runtime_version) {
  return nullptr;
}

void ompt_libomp_connect(ompt_start_tool_result_t *result) { result = nullptr; }
}
#endif