pthread_mutexattr_setprioceiling()

Set the priority ceiling of a mutex attribute object

Synopsis:

#include <pthread.h>

int pthread_mutexattr_setprioceiling( 
                         pthread_mutexattr_t* attr,
                         int prioceiling );

Arguments:

attr

A pointer to the pthread_mutexattr_t object that you want to set the attribute in.

prioceiling

The new value for the priority ceiling.

Library:

libc

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

Description:

The pthread_mutexattr_setprioceiling() function sets the mutex attribute attr's scheduling priority ceiling to prioceiling. Note that attr must have been previously created with pthread_mutexattr_init().

Returns:

EOK

Success.

EINVAL

Invalid value specified by attr or prioceiling.

EPERM

The caller doesn't have the privilege to perform the operation.

Classification:

POSIX 1003.1 THR TPP

See also:

pthread_create(), pthread_mutex_init(), pthread_cond_init(), pthread_mutexattr_getprioceiling(), pthread_mutexattr_getprotocol(), pthread_mutexattr_getrecursive()