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pthread_condattr_setclock()

Set the clock attribute of a condition-variable attribute object

Synopsis:

#include <pthread.h>

int pthread_condattr_setclock( 
                     pthread_condattr_t * attr, 
                     clockid_t id );

Arguments:

attr
A pointer to the pthread_condattr_t object for which you want to set the clock. You must have initialized this object by calling pthread_condattr_init() before calling pthread_condattr_setclock().
id
A clockid_t object that specifies the ID of the clock that you want to use for the condition variable.

Library:

libc

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

Description:

The pthread_condattr_setclock() function sets the clock attribute in an initialized attributes object referenced by attr. If pthread_condattr_setclock() is called with an id argument that refers to a CPU-time clock, the call fails.

The clock attribute is the clock ID of the clock that you want to use to measure the timeout service of pthread_cond_timedwait(). The default value of the clock attribute refers to the system clock.

Returns:

EOK
Success.
EINVAL
Invalid value attr.

Classification:

POSIX 1003.1 THR CS

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

See also:

pthread_cond_init(), pthread_cond_timedwait(), pthread_condattr_destroy(), pthread_condattr_getclock(), pthread_condattr_getpshared(), pthread_condattr_init(), pthread_condattr_setpshared(), pthread_create()


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