psapi.h header

This header is used by Process Status API (PSAPI). For more information, see:

psapi.h contains the following programming interfaces:

Functions

 
EmptyWorkingSet

Removes as many pages as possible from the working set of the specified process.
EnumDeviceDrivers

Retrieves the load address for each device driver in the system.
EnumPageFilesA

Calls the callback routine for each installed pagefile in the system. (ANSI)
EnumPageFilesW

Calls the callback routine for each installed pagefile in the system. (Unicode)
EnumProcesses

Retrieves the process identifier for each process object in the system.
EnumProcessModules

Retrieves a handle for each module in the specified process.
EnumProcessModulesEx

Retrieves a handle for each module in the specified process that meets the specified filter criteria.
GetDeviceDriverBaseNameA

Retrieves the base name of the specified device driver. (ANSI)
GetDeviceDriverBaseNameW

Retrieves the base name of the specified device driver. (Unicode)
GetDeviceDriverFileNameA

Retrieves the path available for the specified device driver. (ANSI)
GetDeviceDriverFileNameW

Retrieves the path available for the specified device driver. (Unicode)
GetMappedFileNameA

Checks whether the specified address is within a memory-mapped file in the address space of the specified process. If so, the function returns the name of the memory-mapped file. (ANSI)
GetMappedFileNameW

Checks whether the specified address is within a memory-mapped file in the address space of the specified process. If so, the function returns the name of the memory-mapped file. (Unicode)
GetModuleBaseNameA

Retrieves the base name of the specified module. (ANSI)
GetModuleBaseNameW

Retrieves the base name of the specified module. (Unicode)
GetModuleFileNameExA

Retrieves the fully qualified path for the file containing the specified module. (ANSI)
GetModuleFileNameExW

Retrieves the fully qualified path for the file containing the specified module. (Unicode)
GetModuleInformation

Retrieves information about the specified module in the MODULEINFO structure.
GetPerformanceInfo

Retrieves the performance values contained in the PERFORMANCE_INFORMATION structure.
GetProcessImageFileNameA

Retrieves the name of the executable file for the specified process. (ANSI)
GetProcessImageFileNameW

Retrieves the name of the executable file for the specified process. (Unicode)
GetProcessMemoryInfo

Retrieves information about the memory usage of the specified process.
GetWsChanges

Retrieves information about the pages that have been added to the working set of the specified process since the last time this function or the InitializeProcessForWsWatch function was called.
GetWsChangesEx

Retrieves extended information about the pages that have been added to the working set of the specified process since the last time this function or the InitializeProcessForWsWatch function was called.
InitializeProcessForWsWatch

Initiates monitoring of the working set of the specified process.
QueryWorkingSet

Retrieves information about the pages currently added to the working set of the specified process.
QueryWorkingSetEx

Retrieves extended information about the pages at specific virtual addresses in the address space of the specified process.

Callback functions

 
PENUM_PAGE_FILE_CALLBACKA

An application-defined callback function used with the EnumPageFiles function. (ANSI)
PENUM_PAGE_FILE_CALLBACKW

An application-defined callback function used with the EnumPageFiles function. (Unicode)

Structures

 
ENUM_PAGE_FILE_INFORMATION

Contains information about a pagefile.
MODULEINFO

Contains the module load address, size, and entry point.
PERFORMANCE_INFORMATION

Contains performance information. (PERFORMANCE_INFORMATION)
PROCESS_MEMORY_COUNTERS

Contains the memory statistics for a process.
PROCESS_MEMORY_COUNTERS_EX

Contains extended memory statistics for a process.
PSAPI_WORKING_SET_BLOCK

Contains working set information for a page.
PSAPI_WORKING_SET_EX_BLOCK

Contains extended working set information for a page.
PSAPI_WORKING_SET_EX_INFORMATION

Contains extended working set information for a process.
PSAPI_WORKING_SET_INFORMATION

Contains working set information for a process.
PSAPI_WS_WATCH_INFORMATION

Contains information about a page added to a process working set.
PSAPI_WS_WATCH_INFORMATION_EX

Contains extended information about a page added to a process working set.