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posix_spawnattr_getpgroup, posix_spawnattr_setpgroup - get and set spawn-pgroup attribute of spawn attributes object

#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);

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

The posix_spawnattr_setpgroup() function sets 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 is zero.

Upon successful completion, posix_spawnattr_getpgroup() returns 0 and stores the value of the spawn-pgroup attribute of attr into the object referenced by the pgroup parameter. Otherwise, an error number is returned to indicate the error.

Upon successful completion, posix_spawnattr_setpgroup() returns 0. Otherwise, an error number is returned to indicate the error.

These functions may fail if:

EINVAL

The posix_spawnattr_setpgroup() function may fail if:

EINVAL

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Interface Stability	Standard
MT-Level	MT-Safe

posix_spawn(3C), posix_spawnattr_getpgroup(3C), posix_spawnattr_getpgroup(3C), posix_spawnattr_getschedparam(3C), posix_spawnattr_getschedpolicy(3C), posix_spawnattr_getsigdefault(3C), posix_spawnattr_getsigmask(3C), attributes(5), standards(5)