NAME

pthread_cond_init — create a condition variable

SYNOPSIS

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

DESCRIPTION

The pthread_cond_init() function creates a new condition variable, with attributes specified with attr. If attr is NULL the default attributes are used.

RETURN VALUES

If successful, the pthread_cond_init() function will return zero and put the new condition variable ID into cond, otherwise an error number will be returned to indicate the error.

ERRORS

pthread_cond_init() will fail if:

 

 

[EINVAL]

The value specified by attr is invalid.

 

 

[ENOMEM]

The process cannot allocate enough memory to create another condition variable.

 

 

[EAGAIN]

The system temporarily lacks the resources to create another condition variable.

SEE ALSO

pthread_cond_broadcast(3), pthread_cond_destroy(3), pthread_cond_signal(3), pthread_cond_timedwait(3), pthread_cond_wait(3)

STANDARDS

pthread_cond_init() conforms to ISO/IEC 9945-1:1996 (“POSIX.1”).