| | 1 | .\" Copyright (c) 1997 Brian Cully <shmit@kublai.com> |
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| | 30 | .Dd November 4, 2006 |
| | 31 | .Dt PTHREAD_COND_INIT 3 |
| | 32 | .Os |
| | 33 | .Sh NAME |
| | 34 | .Nm pthread_cond_init |
| | 35 | .Nd create a condition variable |
| | 36 | .Sh SYNOPSIS |
| | 37 | .In pthread.h |
| | 38 | .Ft int |
| | 39 | .Fn pthread_cond_init "pthread_cond_t *cond" "const pthread_condattr_t *attr" |
| | 40 | .Sh DESCRIPTION |
| | 41 | The |
| | 42 | .Fn pthread_cond_init |
| | 43 | function creates a new condition variable, with attributes specified with |
| | 44 | .Fa attr . |
| | 45 | If |
| | 46 | .Fa attr |
| | 47 | is NULL the default attributes are used. |
| | 48 | .Sh RETURN VALUES |
| | 49 | If successful, the |
| | 50 | .Fn pthread_cond_init |
| | 51 | function will return zero and put the new condition variable id into |
| | 52 | .Fa cond , |
| | 53 | otherwise an error number will be returned to indicate the error. |
| | 54 | .Sh ERRORS |
| | 55 | The |
| | 56 | .Fn pthread_cond_init |
| | 57 | function will fail if: |
| | 58 | .Bl -tag -width Er |
| | 59 | .It Bq Er EINVAL |
| | 60 | The value specified by |
| | 61 | .Fa attr |
| | 62 | is invalid. |
| | 63 | .It Bq Er ENOMEM |
| | 64 | The process cannot allocate enough memory to create another condition |
| | 65 | variable. |
| | 66 | .It Bq Er EAGAIN |
| | 67 | The system temporarily lacks the resources to create another condition |
| | 68 | variable. |
| | 69 | .El |
| | 70 | .Sh SEE ALSO |
| | 71 | .Xr pthread_cond_broadcast 3 , |
| | 72 | .Xr pthread_cond_destroy 3 , |
| | 73 | .Xr pthread_cond_signal 3 , |
| | 74 | .Xr pthread_cond_timedwait 3 , |
| | 75 | .Xr pthread_cond_wait 3 , |
| | 76 | .Xr pthread_condattr 3 |
| | 77 | .Sh STANDARDS |
| | 78 | The |
| | 79 | .Fn pthread_cond_init |
| | 80 | function conforms to |
| | 81 | .St -p1003.1-96 . |
projects / apple / libpthread.git / blame_incremental