posix_spawnattr_getstackmax()

Get the maximum stack size attribute from a spawn attributes object

Synopsis:

#include <spawn.h>

int posix_spawnattr_getstackmax(
       const posix_spawnattr_t *_Restrict attrp,
       uint32_t *_Restrict size_p);

Arguments:

attrp
A pointer to the spawn attributes object that you want to query.
size_p
A pointer to a location where the routine can store the current maximum stack size.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The posix_spawnattr_getstackmax() function retrieves the maximum stack size attribute from the given spawn attributes object. You must have already initialized the spawn attributes object by calling posix_spawnattr_init() .

This setting takes effect only if the POSIX_SPAWN_SETSTACKMAX flag is set in the spawn attributes; to set this flag, call posix_spawnattr_setxflags() . The default is no maximum.

To set the value of this attribute, call posix_spawnattr_setstackmax() .

For more information about spawn attributes, see the entry for posix_spawn() .

This function is a QNX Neutrino extension.

Returns:

EOK
Success.
EINVAL
An argument was invalid.

Classification:

QNX Neutrino

Safety:
Cancellation point No
Interrupt handler Yes
Signal handler Yes
Thread Yes

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