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Add cpuid_get_total_cpus to allow getting the total number of CPUs on systems without CPUID.

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Robert Kausch 2014-09-27 15:51:48 +02:00 committed by Veselin Georgiev
parent 400c55dbe3
commit f7e6c6b274
2 changed files with 11 additions and 0 deletions
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5
libcpuid/cpuid_main.c
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@ -317,6 +317,11 @@ static void make_list_from_string(const char* csv, struct cpu_list_t* list)
/* Interface: */ /* Interface: */
int cpuid_get_total_cpus(void)
{
return get_total_cpus();
}
int cpuid_present(void) int cpuid_present(void)
{ {
return cpuid_exists_by_eflags(); return cpuid_exists_by_eflags();

6
libcpuid/libcpuid.h
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@ -399,6 +399,12 @@ struct cpu_mark_t {
uint64_t sys_clock; /*!< In microsecond resolution */ uint64_t sys_clock; /*!< In microsecond resolution */
}; };
/**
* @brief Returns the total number of CPUs even if CPUID is not present
* @retval Number of CPUs available
*/
int cpuid_get_total_cpus(void);
/** /**
* @brief Checks if the CPUID instruction is supported * @brief Checks if the CPUID instruction is supported
* @retval 1 if CPUID is present * @retval 1 if CPUID is present