1.\" Copyright (c) 1997 Brian Cully <shmit@kublai.com>
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28.Dd July 28, 1998
29.Dt PTHREAD_COND_DESTROY 3
30.Os
31.Sh NAME
32.Nm pthread_cond_destroy
33.Nd destroy a condition variable
34.Sh LIBRARY
35.Lb libpthread
36.Sh SYNOPSIS
37.In pthread.h
38.Ft int
39.Fn pthread_cond_destroy "pthread_cond_t *cond"
40.Sh DESCRIPTION
41The
42.Fn pthread_cond_destroy
43function frees the resources allocated by the condition variable
44.Fa cond .
45.Sh IMPLEMENTATION NOTES
46A condition variable can be destroyed immediately after all the threads that
47are blocked on it are awakened.
48.Sh RETURN VALUES
49If successful, the
50.Fn pthread_cond_destroy
51function will return zero, otherwise an error number will be returned
52to indicate the error.
53.Sh ERRORS
54The
55.Fn pthread_cond_destroy
56function will fail if:
57.Bl -tag -width Er
58.It Bq Er EINVAL
59The value specified by
60.Fa cond
61is invalid.
62.It Bq Er EBUSY
63The variable
64.Fa cond
65is locked by another thread.
66.El
67.Sh SEE ALSO
68.Xr pthread_cond_broadcast 3 ,
69.Xr pthread_cond_init 3 ,
70.Xr pthread_cond_signal 3 ,
71.Xr pthread_cond_timedwait 3 ,
72.Xr pthread_cond_wait 3
73.Sh STANDARDS
74The
75.Fn pthread_cond_destroy
76function conforms to
77.St -p1003.1-96 .
78