64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
|
#ifndef FATICA_H
|
||
|
|
#define FATICA_H
|
||
|
|
|
||
|
|
// API
|
||
|
|
|
||
|
|
// unit = 100-nanosecond starting from somewhen
|
||
|
|
unsigned long long fatica_time_process(void);
|
||
|
|
|
||
|
|
// Implementation
|
||
|
|
|
||
|
|
#if defined(_WIN32) || defined(__CYGWIN__)
|
||
|
|
|
||
|
|
#include <windows.h>
|
||
|
|
|
||
|
|
static ULONGLONG filetime_to_ull(const FILETIME* ft) {
|
||
|
|
return (((ULONGLONG)ft->dwHighDateTime) << 32) + ft->dwLowDateTime;
|
||
|
|
}
|
||
|
|
|
||
|
|
unsigned long long fatica_time_process(void) {
|
||
|
|
FILETIME creationTime, exitTime, kernelTime, userTime;
|
||
|
|
const DWORD threadId = GetCurrentThreadId();
|
||
|
|
const HANDLE hThread = OpenThread(THREAD_QUERY_INFORMATION, FALSE, threadId);
|
||
|
|
if (!GetThreadTimes(hThread, &creationTime, &exitTime, &kernelTime, &userTime))
|
||
|
|
return 0ull;
|
||
|
|
CloseHandle(hThread);
|
||
|
|
return (unsigned long long) (filetime_to_ull(&kernelTime) + filetime_to_ull(&userTime));
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(__linux__)
|
||
|
|
|
||
|
|
#if __STDC_VERSION__ >= 199901L
|
||
|
|
# define _XOPEN_SOURCE 600
|
||
|
|
#else
|
||
|
|
# define _XOPEN_SOURCE 500
|
||
|
|
#endif
|
||
|
|
#include <time.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
unsigned long long fatica_time_process(void) {
|
||
|
|
struct timespec ts;
|
||
|
|
if (clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts) != 0)
|
||
|
|
return 0ull;
|
||
|
|
return (unsigned long long) (ts.tv_sec * 1e7 + ts.tv_nsec / 1e2);
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(__APPLE__)
|
||
|
|
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <mach/mach.h>
|
||
|
|
#include <mach/thread_act.h>
|
||
|
|
|
||
|
|
unsigned long long fatica_time_process(void) {
|
||
|
|
thread_t thread = mach_thread_self();
|
||
|
|
thread_basic_info_data_t info;
|
||
|
|
mach_msg_type_number_t count = THREAD_BASIC_INFO_COUNT;
|
||
|
|
if (thread_info(thread, THREAD_BASIC_INFO, (thread_info_t) &info, &count) != KERN_SUCCESS)
|
||
|
|
return 0ull;
|
||
|
|
return (info.user_time.seconds + info.system_time.seconds) * 1000
|
||
|
|
+ (info.user_time.microseconds + info.system_time.microseconds) / 1000;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
#endif // FATICA_H
|