trusty (3) posix_spawn_file_actions_init.3posix.gz

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NAME
       posix_spawn_file_actions_destroy,  posix_spawn_file_actions_init  -  destroy  and  initialize  spawn file
       actions object (ADVANCED REALTIME)


SYNOPSIS
       #include <spawn.h>

       int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *
              file_actions);
       int posix_spawn_file_actions_init(posix_spawn_file_actions_t *
              file_actions);


DESCRIPTION
       The posix_spawn_file_actions_destroy() function shall destroy the object referenced by file_actions;  the
       object  becomes, in effect, uninitialized. An implementation may cause posix_spawn_file_actions_destroy()
       to set the object referenced by file_actions to an invalid value. A destroyed spawn file  actions  object
       can  be  reinitialized  using  posix_spawn_file_actions_init();  the results of otherwise referencing the
       object after it has been destroyed are undefined.

       The posix_spawn_file_actions_init() function shall initialize the object referenced  by  file_actions  to
       contain no file actions for posix_spawn() or posix_spawnp() to perform.

       A spawn file actions object is as defined in posix_spawn_file_actions_addclose() .

       The effect of initializing an already initialized spawn file actions object is undefined.


RETURN VALUE
       Upon  successful  completion,  these  functions  shall  return  zero; otherwise, an error number shall be
       returned to indicate the error.


ERRORS
       The posix_spawn_file_actions_init() function shall fail if:

       ENOMEM Insufficient memory exists to initialize the spawn file actions object.

       The posix_spawn_file_actions_destroy() function may fail if:

       EINVAL The value specified by file_actions is invalid.

       The following sections are informative.


EXAMPLES
       None.


APPLICATION USAGE
       These functions are part of the Spawn option and need not be provided on all implementations.


RATIONALE
       Refer to the RATIONALE in posix_spawn_file_actions_addclose() .


FUTURE DIRECTIONS
       None.


SEE ALSO
       posix_spawn() , posix_spawnp() , the Base Definitions volume of IEEE Std 1003.1-2001, <spawn.h>


       Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition,
       Standard  for  Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base
       Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers,
       Inc  and  The  Open Group. In the event of any discrepancy between this version and the original IEEE and
       The Open Group Standard, the original IEEE and The Open Group  Standard  is  the  referee  document.  The
       original Standard can be obtained online at http://www.opengroup.org/unix/online.html .