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pmd_unlock_exclusive()

Release an exclusive lock on a pmd_attr_t structure

Synopsis:

#include <sys/pm.h>

int pmd_unlock_exclusive(pmd_attr_t *pmd); 

Arguments:

pmd

Pointer to the pmd_attr_t structure that is locked.

Library:

libpm

Description:

The pmd_unlock_exclusive() release an exclusive lock held on a pmd_attr_t structure.

The lock implements an "exclusive preference" so that a thread blocked in pmd_lock_exclusive() is unblocked in preference to threads blocked in pmd_lock_shared().

Returns:

EOK

Success.

Error code from pthread_sleepon_lock(), pthread_sleepon_unlock(), pthread_sleepon_signal(), pthread_sleepon_broadcast().

An error has occurred.

Examples:

For more information, see the device driver chapter.

Classification:

Neutrino

See also:

pmd_lock_shared(), pmd_lock_exclusive(), pthread_sleepon_lock(), pthread_sleepon_unlock(), pthread_sleepon_signal(), pthread_sleepon_broadcast(),