POSIX_SPAWNATTR_GETPGROUP(3) Library Functions Manual POSIX_SPAWNATTR_GETPGROUP(3)

NAME

posix_spawnattr_getpgroup posix_spawnattr_setpgroup — get and set the spawn-pgroup attribute of a spawn attributes object (ADVANCED REALTIME)

SYNOPSIS

[SPN]
#include <spawn.h>

int posix_spawnattr_getpgroup(const posix_spawnattr_t *restrict attr,
       pid_t *restrict pgroup);
int posix_spawnattr_setpgroup(posix_spawnattr_t *attr, pid_t pgroup);

DESCRIPTION

The posix_spawnattr_getpgroup () function shall obtain the value of the spawn-pgroup attribute from the attributes object referenced by attr.

The posix_spawnattr_setpgroup () function shall set the spawn-pgroup attribute in an initialized attributes object referenced by attr.

The spawn-pgroup attribute represents the process group to be joined by the new process image in a spawn operation (if POSIX_SPAWN_SETPGROUP is set in the spawn-flags attribute). The default value of this attribute shall be zero.

RETURN VALUE

Upon successful completion, posix_spawnattr_getpgroup () shall return zero and store the value of the spawn-pgroup attribute of attr into the object referenced by the pgroup parameter; otherwise, an error number shall be returned to indicate the error.

Upon successful completion, posix_spawnattr_setpgroup () shall return zero; otherwise, an error number shall be returned to indicate the error.