posix_spawnattr_init()
Initialize a spawn attributes object
Synopsis:
#include <spawn.h> int posix_spawnattr_init(posix_spawnattr_t *attrp);
Arguments:
- attrp
- A pointer to the spawn attributes object that you want to initialize.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The posix_spawnattr_init() function initializes the given spawn attributes object with the default value for all the attributes. A spawn attributes object is an opaque object of type posix_spawnattr_t (defined in <spawn.h>), and it specifies the inheritance of process attributes across a spawn operation.
You can also use this function to reinitialize a spawn attributes object that you've destroyed by calling posix_spawnattr_destroy() .
- The posix_spawnattr_destroy() function renders the posix_spawnattr_t object unusable. Before you can reuse it (which includes calling posix_spawnattr_destroy() on an already destroyed object), you must reinitialize the object with posix_spawnattr_init().
- POSIX indicates that the results of reinitializing an already initialized posix_spawnattr_t object are undefined. The QNX Neutrino implementation doesn't support the reinitialization of a posix_spawnattr_t object without an intervening destruction of the object. Repeated calls to posix_spawnattr_init() with the same posix_spawnattr_t object could result in a memory leak.
Returns:
- EOK
- Success.
- ENOMEM
- Insufficient memory exists to initialize the spawn attributes object.
Classification:
| Safety: | |
|---|---|
| Cancellation point | No |
| Interrupt handler | Yes |
| Signal handler | Yes |
| Thread | Yes |