_getpid
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Gets the process identification.
Important
This API cannot be used in applications that execute in the Windows Runtime. For more information, see CRT functions not supported with /ZW.
Syntax
int _getpid( void );
Return Value
Returns the process ID obtained from the system. There is no error return.
Remarks
The _getpid function obtains the process ID from the system. The process ID uniquely identifies the calling process.
Requirements
| Routine | Required header |
|---|---|
_getpid |
<process.h> |
For more compatibility information, see Compatibility.
Example
// crt_getpid.c
// This program uses _getpid to obtain
// the process ID and then prints the ID.
#include <stdio.h>
#include <process.h>
int main( void )
{
// If run from command line, shows different ID for
// command line than for operating system shell.
printf( "Process id: %d\n", _getpid() );
}
Process id: 3584
.NET Framework Equivalent
System::Diagnostics::Process::Id