12. Condition Variable Manager¶

12.4.1. pthread_condattr_init - Initialize a Condition Variable Attribute Set¶

CALLING SEQUENCE:

#include <pthread.h>
int pthread_condattr_init(
    pthread_condattr_t *attr
);

STATUS CODES:

• • ENOMEM
  • Insufficient memory is available to initialize the condition variable attributes object.

DESCRIPTION:

NOTES:

12.4.2. pthread_condattr_destroy - Destroy a Condition Variable Attribute Set¶

CALLING SEQUENCE:

#include <pthread.h>
int pthread_condattr_destroy(
    pthread_condattr_t *attr
);

STATUS CODES:

DESCRIPTION:

NOTES:

12.4.3. pthread_condattr_setpshared - Set Process Shared Attribute¶

CALLING SEQUENCE:

#include <pthread.h>
int pthread_condattr_setpshared(
    pthread_condattr_t *attr,
    int                 pshared
);

STATUS CODES:

DESCRIPTION:

NOTES:

12.4.4. pthread_condattr_getpshared - Get Process Shared Attribute¶

CALLING SEQUENCE:

#include <pthread.h>
int pthread_condattr_getpshared(
    const pthread_condattr_t *attr,
    int                      *pshared
);

STATUS CODES:

DESCRIPTION:

NOTES:

12.4.5. pthread_cond_init - Initialize a Condition Variable¶

CALLING SEQUENCE:

#include <pthread.h>
int pthread_cond_init(
    pthread_cond_t           *cond,
    const pthread_condattr_t *attr
);

STATUS CODES:

DESCRIPTION:

NOTES:

12.4.6. pthread_cond_destroy - Destroy a Condition Variable¶

CALLING SEQUENCE:

#include <pthread.h>
int pthread_cond_destroy(
    pthread_cond_t *cond
);

STATUS CODES:

DESCRIPTION:

NOTES:

12.4.7. pthread_cond_signal - Signal a Condition Variable¶

CALLING SEQUENCE:

#include <pthread.h>
int pthread_cond_signal(
    pthread_cond_t *cond
);

STATUS CODES:

DESCRIPTION:

NOTES:

This routine should not be invoked from a handler from an asynchronous signal handler or an interrupt service routine.

12.4.8. pthread_cond_broadcast - Broadcast a Condition Variable¶

CALLING SEQUENCE:

#include <pthread.h>
int pthread_cond_broadcast(
    pthread_cond_t *cond
);

STATUS CODES:

DESCRIPTION:

NOTES:

This routine should not be invoked from a handler from an asynchronous signal handler or an interrupt service routine.

12.4.9. pthread_cond_wait - Wait on a Condition Variable¶

CALLING SEQUENCE:

#include <pthread.h>
int pthread_cond_wait(
    pthread_cond_t *cond,
    pthread_mutex_t *mutex
);

STATUS CODES:

DESCRIPTION:

NOTES:

12.4.10. pthread_cond_timedwait - Wait with Timeout a Condition Variable¶

CALLING SEQUENCE:

#include <pthread.h>
int pthread_cond_timedwait(
    pthread_cond_t        *cond,
    pthread_mutex_t       *mutex,
    const struct timespec *abstime
);

STATUS CODES:

DESCRIPTION:

NOTES: