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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#include "common.h"
#include "gcenv.h"
#include "gc.h"
#define BOOL_CONFIG(name, key, default, unused_doc) \
bool GCConfig::Get##name() { return s_##name; } \
bool GCConfig::s_##name = default;
#define INT_CONFIG(name, key, default, unused_doc) \
int64_t GCConfig::Get##name() { return s_##name; } \
int64_t GCConfig::s_##name = default;
// String configs are not cached because 1) they are rare and
// not on hot paths and 2) they involve transfers of ownership
// of EE-allocated strings, which is potentially complicated.
#define STRING_CONFIG(name, key, unused_doc) \
GCConfigStringHolder GCConfig::Get##name() \
{ \
const char* resultStr = nullptr; \
GCToEEInterface::GetStringConfigValue(key, &resultStr); \
return GCConfigStringHolder(resultStr); \
}
GC_CONFIGURATION_KEYS
#undef BOOL_CONFIG
#undef INT_CONFIG
#undef STRING_CONFIG
void GCConfig::Initialize()
{
#define BOOL_CONFIG(name, key, default, unused_doc) \
GCToEEInterface::GetBooleanConfigValue(key, &s_##name);
#define INT_CONFIG(name, key, default, unused_doc) \
GCToEEInterface::GetIntConfigValue(key, &s_##name);
#define STRING_CONFIG(unused_name, unused_key, unused_doc)
GC_CONFIGURATION_KEYS
#undef BOOL_CONFIG
#undef INT_CONFIG
}
// Parse an integer index or range of two indices separated by '-'.
// Updates the config_string to point to the first character after the parsed part
bool ParseIndexOrRange(const char** config_string, size_t* start_index, size_t* end_index)
{
char* number_end;
size_t start = strtoul(*config_string, &number_end, 10);
if (number_end == *config_string)
{
// No number found, invalid format
return false;
}
size_t end = start;
if (*number_end == '-')
{
char* range_end_start = number_end + 1;
end = strtoul(range_end_start, &number_end, 10);
if (number_end == range_end_start)
{
// No number found, invalid format
return false;
}
}
*start_index = start;
*end_index = end;
*config_string = number_end;
return true;
}
bool ParseGCHeapAffinitizeRanges(const char* cpu_index_ranges, AffinitySet* config_affinity_set)
{
bool success = true;
// Unix:
// The cpu index ranges is a comma separated list of indices or ranges of indices (e.g. 1-5).
// Example 1,3,5,7-9,12
// Windows:
// The cpu index ranges is a comma separated list of group-annotated indices or ranges of indices.
// The group number always prefixes index or range and is followed by colon.
// Example 0:1,0:3,0:5,1:7-9,1:12
if (cpu_index_ranges != NULL)
{
const char* number_end = cpu_index_ranges;
do
{
size_t start_index, end_index;
if (!GCToOSInterface::ParseGCHeapAffinitizeRangesEntry(&cpu_index_ranges, &start_index, &end_index))
{
break;
}
if ((start_index >= MAX_SUPPORTED_CPUS) || (end_index >= MAX_SUPPORTED_CPUS) || (end_index < start_index))
{
// Invalid CPU index values or range
break;
}
for (size_t i = start_index; i <= end_index; i++)
{
config_affinity_set->Add(i);
}
number_end = cpu_index_ranges;
cpu_index_ranges++;
}
while (*number_end == ',');
success = (*number_end == '\0');
}
return success;
}
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