| tuklib_cpucores.c (207842) | tuklib_cpucores.c (213700) |
|---|---|
| 1/////////////////////////////////////////////////////////////////////////////// 2// 3/// \file tuklib_cpucores.c 4/// \brief Get the number of CPU cores online 5// 6// Author: Lasse Collin 7// 8// This file has been put into the public domain. --- 6 unchanged lines hidden (view full) --- 15#if defined(TUKLIB_CPUCORES_SYSCTL) 16# ifdef HAVE_SYS_PARAM_H 17# include <sys/param.h> 18# endif 19# include <sys/sysctl.h> 20 21#elif defined(TUKLIB_CPUCORES_SYSCONF) 22# include <unistd.h> | 1/////////////////////////////////////////////////////////////////////////////// 2// 3/// \file tuklib_cpucores.c 4/// \brief Get the number of CPU cores online 5// 6// Author: Lasse Collin 7// 8// This file has been put into the public domain. --- 6 unchanged lines hidden (view full) --- 15#if defined(TUKLIB_CPUCORES_SYSCTL) 16# ifdef HAVE_SYS_PARAM_H 17# include <sys/param.h> 18# endif 19# include <sys/sysctl.h> 20 21#elif defined(TUKLIB_CPUCORES_SYSCONF) 22# include <unistd.h> |
| 23 24// HP-UX 25#elif defined(TUKLIB_CPUCORES_PSTAT_GETDYNAMIC) 26# include <sys/param.h> 27# include <sys/pstat.h> |
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| 23#endif 24 25 26extern uint32_t 27tuklib_cpucores(void) 28{ 29 uint32_t ret = 0; 30 31#if defined(TUKLIB_CPUCORES_SYSCTL) 32 int name[2] = { CTL_HW, HW_NCPU }; 33 int cpus; 34 size_t cpus_size = sizeof(cpus); 35 if (sysctl(name, 2, &cpus, &cpus_size, NULL, 0) != -1 36 && cpus_size == sizeof(cpus) && cpus > 0) | 28#endif 29 30 31extern uint32_t 32tuklib_cpucores(void) 33{ 34 uint32_t ret = 0; 35 36#if defined(TUKLIB_CPUCORES_SYSCTL) 37 int name[2] = { CTL_HW, HW_NCPU }; 38 int cpus; 39 size_t cpus_size = sizeof(cpus); 40 if (sysctl(name, 2, &cpus, &cpus_size, NULL, 0) != -1 41 && cpus_size == sizeof(cpus) && cpus > 0) |
| 37 ret = (uint32_t)cpus; | 42 ret = cpus; |
| 38 39#elif defined(TUKLIB_CPUCORES_SYSCONF) 40# ifdef _SC_NPROCESSORS_ONLN 41 // Most systems 42 const long cpus = sysconf(_SC_NPROCESSORS_ONLN); 43# else 44 // IRIX 45 const long cpus = sysconf(_SC_NPROC_ONLN); 46# endif 47 if (cpus > 0) | 43 44#elif defined(TUKLIB_CPUCORES_SYSCONF) 45# ifdef _SC_NPROCESSORS_ONLN 46 // Most systems 47 const long cpus = sysconf(_SC_NPROCESSORS_ONLN); 48# else 49 // IRIX 50 const long cpus = sysconf(_SC_NPROC_ONLN); 51# endif 52 if (cpus > 0) |
| 48 ret = (uint32_t)cpus; | 53 ret = cpus; 54 55#elif defined(TUKLIB_CPUCORES_PSTAT_GETDYNAMIC) 56 struct pst_dynamic pst; 57 if (pstat_getdynamic(&pst, sizeof(pst), 1, 0) != -1) 58 ret = pst.psd_proc_cnt; |
| 49#endif 50 51 return ret; 52} | 59#endif 60 61 return ret; 62} |