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Get the process group
#include <sys/types.h>
#include <process.h>
pid_t getpgrp( void );
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The getpgrp() function gets the ID of the process group to which the
calling process belongs.
The calling process's process group ID.
#include <stdio.h>
#include <stdlib.h>
#include <process.h>
#include <sys/types.h>
int main( void )
{
printf( "I am in process group %d\n", (int) getpgrp() );
return EXIT_SUCCESS;
}
POSIX 1003.1
Safety: | |
Cancellation point |
No |
Interrupt handler |
No |
Signal handler |
Yes |
Thread |
Yes |
setpgrp(),
setsid()
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