oshacks.h

Go to the documentation of this file.

 
#ifndef _QPMS_OSHACKS_H
#define _QPMS_OSHACKS_H
#include <unistd.h>
 
#ifdef _SC_NPROCESSORS_ONLN
static inline long get_ncpus(void) {
    return sysconf(_SC_NPROCESSORS_ONLN);
}
#elif (0)
#include <sys/types.h>
#include <sys/sysctl.h>
static inline long get_ncpus(void) {
    int32_t ncpu;
    size_t len = sizeof(ncpu);
    sysctlbyname("hw.physicalcpu", &ncpu, &len, NULL, 0);
    return ncpu;
}
#else
static inline long get_ncpus(void) { return -1; }
#endif
    
 
#endif // _QPMS_OSHACKS_H