man/pthread_cond_init.3

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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 .