1*0a6a1f1dSLionel Sambuc.\" $NetBSD: _lwp_unpark_all.2,v 1.7 2014/04/08 13:02:14 pooka Exp $ 22fe8fb19SBen Gras.\" 32fe8fb19SBen Gras.\" Copyright (c) 2003, 2007 The NetBSD Foundation, Inc. 42fe8fb19SBen Gras.\" All rights reserved. 52fe8fb19SBen Gras.\" 62fe8fb19SBen Gras.\" This code is derived from software contributed to The NetBSD Foundation 72fe8fb19SBen Gras.\" by Jason R. Thorpe of Wasabi Systems, Inc, and by Andrew Doran. 82fe8fb19SBen Gras.\" 92fe8fb19SBen Gras.\" Redistribution and use in source and binary forms, with or without 102fe8fb19SBen Gras.\" modification, are permitted provided that the following conditions 112fe8fb19SBen Gras.\" are met: 122fe8fb19SBen Gras.\" 1. Redistributions of source code must retain the above copyright 132fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer. 142fe8fb19SBen Gras.\" 2. Redistributions in binary form must reproduce the above copyright 152fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer in the 162fe8fb19SBen Gras.\" documentation and/or other materials provided with the distribution. 172fe8fb19SBen Gras.\" 182fe8fb19SBen Gras.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 192fe8fb19SBen Gras.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 202fe8fb19SBen Gras.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 212fe8fb19SBen Gras.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 222fe8fb19SBen Gras.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 232fe8fb19SBen Gras.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 242fe8fb19SBen Gras.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 252fe8fb19SBen Gras.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 262fe8fb19SBen Gras.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 272fe8fb19SBen Gras.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 282fe8fb19SBen Gras.\" POSSIBILITY OF SUCH DAMAGE. 292fe8fb19SBen Gras.\" 302fe8fb19SBen Gras.Dd February 10, 2007 312fe8fb19SBen Gras.Dt _LWP_UNPARK_ALL 2 322fe8fb19SBen Gras.Os 332fe8fb19SBen Gras.Sh NAME 342fe8fb19SBen Gras.Nm _lwp_unpark_all 352fe8fb19SBen Gras.Nd resume execution of a waiting LWP 362fe8fb19SBen Gras.Sh LIBRARY 372fe8fb19SBen Gras.Lb libc 382fe8fb19SBen Gras.Sh SYNOPSIS 392fe8fb19SBen Gras.In lwp.h 402fe8fb19SBen Gras.Ft ssize_t 41*0a6a1f1dSLionel Sambuc.Fn _lwp_unpark_all "const lwpid_t *targets" "size_t ntargets" "const void *hint" 422fe8fb19SBen Gras.Sh DESCRIPTION 432fe8fb19SBen Gras.Fn _lwp_unpark_all 442fe8fb19SBen Grasresumes execution of one or more light-weight processes listed in 452fe8fb19SBen Grasthe array pointed to by 462fe8fb19SBen Gras.Fa targets . 472fe8fb19SBen Gras.Pp 482fe8fb19SBen GrasThe target LWPs are assumed to be waiting in the kernel as a result of 492fe8fb19SBen Grascalls to 502fe8fb19SBen Gras.Fn _lwp_park . 512fe8fb19SBen GrasIf any of the target LWPs are not currently waiting, those LWPs will return 522fe8fb19SBen Grasimmediately upon the next call to 532fe8fb19SBen Gras.Fn _lwp_park . 542fe8fb19SBen Gras.Pp 552fe8fb19SBen GrasThe value pointed to by 562fe8fb19SBen Gras.Fa ntargets 572fe8fb19SBen Grasspecifies the size of the array pointed to by 582fe8fb19SBen Gras.Fa targets . 592fe8fb19SBen GrasIf the 602fe8fb19SBen Gras.Fa targets 612fe8fb19SBen Grasargument is given as 622fe8fb19SBen Gras.Dv NULL , 632fe8fb19SBen Grasthe maximum size of the array (expressed 642fe8fb19SBen Grasas the number of entries) is returned. 652fe8fb19SBen Gras.Pp 662fe8fb19SBen GrasSee 672fe8fb19SBen Gras.Xr _lwp_park 2 682fe8fb19SBen Grasfor a description of the 692fe8fb19SBen Gras.Fa hint 702fe8fb19SBen Grasargument. 712fe8fb19SBen Gras.Sh RETURN VALUES 722fe8fb19SBen GrasIf the maximum size of the 732fe8fb19SBen Gras.Fa targets 742fe8fb19SBen Grasarray is not being queried, a return of 0 indicates that the call succeeded. 752fe8fb19SBen GrasA \-1 return value indicates an error occurred and 762fe8fb19SBen Gras.Va errno 772fe8fb19SBen Grasis set to indicate the reason. 782fe8fb19SBen Gras.Sh ERRORS 792fe8fb19SBen Gras.Bl -tag -width [EINVAL] 802fe8fb19SBen Gras.It Bq Er EFAULT 812fe8fb19SBen GrasThe value specified for 822fe8fb19SBen Gras.Fa targets 832fe8fb19SBen Grasis invalid. 842fe8fb19SBen Gras.It Bq Er EINVAL 852fe8fb19SBen GrasThe value specified for 862fe8fb19SBen Gras.Fa ntargets 872fe8fb19SBen Grasis out of range. 882fe8fb19SBen Gras.It Bq Er ENOMEM 892fe8fb19SBen GrasInsufficient resources are available to complete the operation. 902fe8fb19SBen Gras.El 912fe8fb19SBen Gras.Sh SEE ALSO 922fe8fb19SBen Gras.Xr _lwp_park 2 , 932fe8fb19SBen Gras.Xr _lwp_unpark 2 , 942fe8fb19SBen Gras.Xr _lwp_wakeup 2 952fe8fb19SBen Gras.Sh HISTORY 962fe8fb19SBen GrasThe 972fe8fb19SBen Gras.Fn _lwp_unpark_all 982fe8fb19SBen Grassystem call first appeared in 992fe8fb19SBen Gras.Nx 5.0 . 100