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Man Pages


Manual Reference Pages  -  POSIX_SPAWNATTR_INIT (3)

NAME

posix_spawnattr_init, posix_spawnattr_destroy - initialize and destroy spawn attributes object

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
Standards
History
Authors

LIBRARY


.Lb libc

SYNOPSIS


.In spawn.h int posix_spawnattr_init posix_spawnattr_t * attr int posix_spawnattr_destroy posix_spawnattr_t * attr

DESCRIPTION

The posix_spawnattr_init function initializes a spawn attributes object attr with the default value for all of the individual attributes used by the implementation. Initializing an already initialized spawn attributes object may cause memory to be leaked.

The posix_spawnattr_destroy function destroys a spawn attributes object. A destroyed attr attributes object can be reinitialized using posix_spawnattr_init. The object should not be used after it has been destroyed.

A spawn attributes object is of type
.Vt posix_spawnattr_t (defined in
.In spawn.h ) and is used to specify the inheritance of process attributes across a spawn operation.

The resulting spawn attributes object (possibly modified by setting individual attribute values), is used to modify the behavior of posix_spawn or posix_spawnp. After a spawn attributes object has been used to spawn a process by a call to a posix_spawn or posix_spawnp, any function affecting the attributes object (including destruction) will not affect any process that has been spawned in this way.

RETURN VALUES

Upon successful completion, posix_spawnattr_init and posix_spawnattr_destroy return zero; otherwise, an error number is returned to indicate the error.

ERRORS

The posix_spawnattr_init function will fail if:
[ENOMEM]
  Insufficient memory exists to initialize the spawn file actions object.

SEE ALSO

posix_spawn(3), posix_spawnp(3)

STANDARDS

The posix_spawnattr_init and posix_spawnattr_destroy functions conform to -p1003.1-2001.

HISTORY

The posix_spawnattr_init and posix_spawnattr_destroy functions first appeared in
.Fx 8.0 .

AUTHORS


.An Ed Schouten Aq ed@FreeBSD.org
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