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/share/man/man3/pthread_cond_destroy.3

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