The GetProcessTimes function obtains timing information about a specified process.
BOOL GetProcessTimes(
HANDLE hProcess, |
// specifies the process of interest |
LPFILETIME lpCreationTime, |
// when the process was created |
LPFILETIME lpExitTime, |
// when the process exited |
LPFILETIME lpKernelTime, |
// time the process has spent in kernel mode |
LPFILETIME lpUserTime |
// time the process has spent in user mode |
); |
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error information, call GetLastError.
All times are expressed using FILETIME data structures. Such a structure contains two 32-bit values that combine to form a 64-bit count of 100-nanosecond time units.
Process creation and exit times are points in time expressed as the amount of time that has elapsed since midnight on January 1, 1601 at Greenwich, England. The Win32 API provides several functions that an application can use to convert such values to more generally useful forms.
Process kernel mode and user mode times are amounts of time. For example, if a process has spent one second in kernel mode, this function will fill the FILETIME structure specified by lpKernelTime with a 64-bit value of ten million. That is the number of 100-nanosecond units in one second.
FILETIME, FileTimeToDosDateTime, FileTimeToLocalFileTime, FileTimeToSystemTime
file: /Techref/os/win/api/win32/func/src/f37_10.htm, 4KB, , updated: 2000/4/7 12:19, local time: 2024/9/1 13:18,
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