Removing a Condition Variable Attribute

Use pthread_condattr_destroy(3C) to remove storage and render the attribute object invalid.

pthread_condattr_destroy Syntax

int pthread_condattr_destroy(pthread_condattr_t *cattr);

#include <pthread.h>
pthread_condattr_t cattr;
int ret;

/* destroy an attribute */
ret
 = pthread_condattr_destroy(&cattr); 

pthread_condattr_destroy Return Values

pthread_condattr_destroy() returns zero after completing successfully. Any other return value indicates that an error occurred. If the following condition occurs, the function fails and returns the corresponding value.

EINVAL

Description:

The value specified by cattr is invalid.