getpgrp()
QNX SDP8.0C Library ReferenceAPIDeveloper
Get the process group
Synopsis:
#include <sys/types.h>
#include <unistd.h>
pid_t getpgrp( void );
This function is declared in <process.h>, which <unistd.h> includes.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The getpgrp() function gets the ID of the process group to which the calling process belongs.
Returns:
The calling process's process group ID.
Examples:
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
int main( void )
{
printf( "I am in process group %d\n", (int) getpgrp() );
return EXIT_SUCCESS;
}
Classification:
| Safety: | |
|---|---|
| Cancellation point | No |
| Signal handler | Yes |
| Thread | Yes |
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