The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/man/task_suspend.man

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    1 .\" 
    2 .\" Mach Operating System
    3 .\" Copyright (c) 1991,1990 Carnegie Mellon University
    4 .\" All Rights Reserved.
    5 .\" 
    6 .\" Permission to use, copy, modify and distribute this software and its
    7 .\" documentation is hereby granted, provided that both the copyright
    8 .\" notice and this permission notice appear in all copies of the
    9 .\" software, derivative works or modified versions, and any portions
   10 .\" thereof, and that both notices appear in supporting documentation.
   11 .\" 
   12 .\" CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13 .\" CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14 .\" ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15 .\" 
   16 .\" Carnegie Mellon requests users of this software to return to
   17 .\" 
   18 .\"  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19 .\"  School of Computer Science
   20 .\"  Carnegie Mellon University
   21 .\"  Pittsburgh PA 15213-3890
   22 .\" 
   23 .\" any improvements or extensions that they make and grant Carnegie Mellon
   24 .\" the rights to redistribute these changes.
   25 .\" 
   26 .\" 
   27 .\" HISTORY
   28 .\" $Log:       task_suspend.man,v $
   29 .\" Revision 2.5  93/03/18  15:15:23  mrt
   30 .\"     corrected types
   31 .\"     [93/03/12  16:53:32  lli]
   32 .\" 
   33 .\" Revision 2.4  91/05/14  17:13:12  mrt
   34 .\"     Correcting copyright
   35 .\" 
   36 .\" Revision 2.3  91/02/14  14:14:49  mrt
   37 .\"     Changed to new Mach copyright
   38 .\"     [91/02/12  18:15:42  mrt]
   39 .\" 
   40 .\" Revision 2.2  90/08/07  18:44:37  rpd
   41 .\"     Created.
   42 .\" 
   43 .TH task_suspend 2 9/19/86
   44 .CM 4
   45 .SH NAME
   46 .nf
   47 task_suspend  \-  suspends specified task
   48 .SH SYNOPSIS
   49 .nf
   50 .ft B
   51 #include <mach.h>
   52 
   53 .nf
   54 .ft B
   55 kern_return_t task_suspend(target_task)
   56         mach_port_t             target_task;
   57 
   58 
   59 .fi
   60 .ft P
   61 .SH ARGUMENTS
   62 .TP 15
   63 .B
   64 target_task
   65 The task to be suspended.
   66 
   67 .SH DESCRIPTION
   68 Increments the task's suspend count and stops all
   69 threads in the task. As long as the suspend count is
   70 positive newly created threads will not run.
   71 This call does not return until all threads are suspended.
   72 
   73 The count
   74 may become greater than one, with the effect that it
   75 will take more than one resume call to restart the task.
   76 
   77 .SH DIAGNOSTICS
   78 .TP 25
   79 KERN_SUCCESS
   80 The task has been suspended.
   81 .TP 25
   82 KERN_INVALID_ARGUMENT
   83 .B target_task
   84 is not a task.
   85 
   86 .SH SEE ALSO
   87 .B task_create, task_terminate, task_resume, task_info,
   88 .B thread_suspend
   89 
   90 
   91 
   92 

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