posix_spawn_file_actions_destroy man page
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
posix_spawn_file_actions_destroy, posix_spawn_file_actions_init — destroy and initialize spawn file actions object (ADVANCED REALTIME)
#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);
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.
Upon successful completion, these functions shall return zero; otherwise, an error number shall be returned to indicate the error.
The posix_spawn_file_actions_init() function shall fail if:
Insufficient memory exists to initialize the spawn file actions object.
The posix_spawn_file_actions_destroy() function may fail if:
The value specified by file_actions is invalid.
The following sections are informative.
These functions are part of the Spawn option and need not be provided on all implementations.
Refer to the Rationale section in posix_spawn_file_actions_addclose().
The Base Definitions volume of POSIX.1‐2008, <spawn.h>
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) 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.unix.org/online.html .
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