POSIX_SPAWN_FILE_ACTIONS_ADDCLOSEFROM_NP(3C) Standard C Library Functions

NAME

posix_spawn_file_actions_addclosefrom_np - add closefrom action to
spawn file actions object

SYNOPSIS

#include <spawn.h>

int posix_spawn_file_actions_addclosefrom_np(
posix_spawn_file_actions_t *file_actions, int lowfildes);

DESCRIPTION

The posix_spawn_file_actions_addclosefrom_np() function adds a
closefrom action to the object referenced by file_actions that causes
all open file descriptors greater than or equal to lowfildes to be
closed when a new process is spawned using this file actions object
(see closefrom(3C)).


A spawn file actions object is as defined in
posix_spawn_file_actions_addclose(3C).

RETURN VALUES

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

ERRORS

The posix_spawn_file_actions_addclosefrom_np() function will fail if:

EBADF
The value specified by lowfildes is negative.


The posix_spawn_file_actions_addclosefrom_np() function may fail if:

EINVAL
The value specified by file_actions is invalid.


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

ATTRIBUTES

See attributes(7) for descriptions of the following attributes:


+--------------------+-----------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------+
|Interface Stability | Committed |
+--------------------+-----------------+
|MT-Level | MT-Safe |
+--------------------+-----------------+

SEE ALSO

close(2), closefrom(3C), posix_spawn(3C),
posix_spawn_file_actions_addclose(3C), attributes(7)

February 20, 2009
POSIX_SPAWN_FILE_ACTIONS_ADDCLOSEFROM_NP(3C)