forked from cellularmitosis/ADC-reference-library-2009-july
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathlisting4.html
More file actions
executable file
·435 lines (353 loc) · 16.7 KB
/
Copy pathlisting4.html
File metadata and controls
executable file
·435 lines (353 loc) · 16.7 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<head>
<!-- BEGIN META TAG INFO -->
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="home" href="http://developer.apple.com/">
<link rel="find" href="http://developer.apple.com/search/">
<link rel="stylesheet" type="text/css" href="../../documentation/css/adcstyle.css" title="fonts">
<script language="JavaScript" src="../../documentation/js/adc.js" type="text/javascript"></script>
<!-- END META TAG INFO -->
<!-- BEGIN TITLE -->
<title>OTMP - /MoreMultiprocessing/MoreBlueActions.c</title>
<!-- END TITLE -->
<script language="JavaScript">
function JumpToNewPage() {
window.location=document.scpopupmenu.gotop.value;
return true;
}
</script>
</head>
<!-- BEGIN BODY OPEN -->
<body>
<!--END BODY OPEN -->
<!-- START CENTER OPEN -->
<center>
<!-- END CENTER OPEN -->
<!-- BEGIN LOGO AND SEARCH -->
<!--#include virtual="/includes/adcnavbar"-->
<!-- END LOGO AND SEARCH -->
<!-- START BREADCRUMB -->
<div id="breadcrumb">
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr>
<td scope="row"><img width="340" height="10" src="images/1dot.gif" alt=""></td>
<td><img width="340" height="10" src="images/1dot.gif" alt=""></td>
</tr>
<tr valign="middle">
<td align="left" colspan="2">
<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/Carbon/index.html">Carbon</a> > <a href="../../samplecode/Carbon/idxNetworking-date.html">Networking</a> > <A HREF="javascript:location.replace('index.html');">OTMP</A> >
</td>
</tr>
<tr>
<td colspan="2" scope="row"><img width="680" height="35" src="images/1dot.gif" alt=""></td>
</tr>
</table>
</div>
<!-- END BREADCRUMB -->
<div style="width:100%; position:fixed;"><div align="center" id="watermark" style="position: relative; margin-left:auto; margin-right:auto; z-index:20; width:500px;"><div class="legacybox"><h1>Not Recommended Document<span class=closebutton><a href="javascript:closeWatermark()"><img src="../../images/closebutton.png" width="14" height="14" border="0" alt="close button"></a></span></h1>
<p><strong>Important: </strong>The information in this document is <strong>Not Recommended</strong> and should not be used for new development.</p>
<div class="reflibtopic">
<p>Current information on this Reference Library topic can be found here:</p>
<ul>
<li><a href="http://developer.apple.com/referencelibrary/Carbon/idxNetworking-date.html" target="_blank">Carbon > Networking</a></li>
</ul>
</div>
</div></div></div>
<!-- START MAIN CONTENT -->
<!-- START TITLE GRAPHIC AND INTRO-->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td><h1><div id="pagehead">OTMP</div></h1></td>
</tr>
</table>
<!-- END TITLE GRAPHIC AND INTRO -->
<!-- START WIDE COLUMN -->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td id="scdetails">
<h2>/MoreMultiprocessing/MoreBlueActions.c</h2>
<form name="scpopupmenu" onSubmit="return false;" method=post>
<p><strong>View Source Code:</strong>
<select name="gotop" onChange="JumpToNewPage();" style="width:340px"><option selected value="ingnore">Select File</option>
<option value="listing1.html">/MIB_Carbon.h</option>
<option value="listing2.html">/MoreMemory/MoreMemory.c</option>
<option value="listing3.html">/MoreMemory/MoreMemory.h</option>
<option value="listing4.html">/MoreMultiprocessing/MoreBlueActions.c</option>
<option value="listing5.html">/MoreMultiprocessing/MoreBlueActions.h</option>
<option value="listing6.html">/MoreMultiprocessing/MoreMPLog.c</option>
<option value="listing7.html">/MoreMultiprocessing/MoreMPLog.h</option>
<option value="listing8.html">/MoreOpenTransport/OTClassicContext.h</option>
<option value="listing9.html">/MoreOpenTransport/OTMP.c</option>
<option value="listing10.html">/MoreOpenTransport/OTMP.h</option>
<option value="listing11.html">/MoreOpenTransport/OTMPSimpleServerHTTP/OTMPSimpleServerHTTP.c</option>
<option value="listing12.html">/MoreOpenTransport/OTMPSimpleServerHTTP/OTMPSimpleServerHTTP.h</option>
<option value="listing13.html">/MoreOpenTransport/OTMPSimpleServerHTTP/OTMPSimpleServerHTTPTest.c</option>
<option value="listing14.html">/MoreOpenTransport/OTMPSimpleServerHTTP/OTMPSimpleServerHTTPTest.r</option>
<option value="listing15.html">/MoreOpenTransport/OTMPSimpleServerHTTP/Sample HTTP Source/index.html</option>
<option value="listing16.html">/MoreOpenTransport/Read_Me_About_OTMP.html</option>
<option value="listing17.html">/MoreProcesses/MoreProcesses.cp</option>
<option value="listing18.html">/MoreProcesses/MoreProcesses.h</option>
<option value="listing19.html">/MoreSetup.h</option></select>
</p>
</form>
<p><strong><a href="OTMP.zip">Download Sample</a></strong> (“OTMP.zip”, 808.3K)<BR>
<strong><a href="OTMP.dmg">Download Sample</a></strong> (“OTMP.dmg”, 1.20M)</p>
<!--
<p><strong><a href="#">Download Sample</a></strong> (“filename.sit”, 500K)</p>
-->
</td>
</tr>
<tr>
<td scope="row"><img width="680" height="10" src="images/1dot.gif" alt=""><br>
<img height="1" width="680" src="images/1dot_919699.gif" alt=""><br>
<img width="680" height="20" src="images/1dot.gif" alt=""></td>
</tr>
<tr>
<td scope="row">
<!--googleon: index -->
<pre class="sourcecodebox">/* File: MoreBlueActions.c Contains: Library for efficiently scheduling deferred task actions from MP tasks. Written by: Quinn Copyright: Copyright © 2000 by Apple Computer, Inc., All Rights Reserved. Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in consideration of your agreement to the following terms, and your use, installation, modification or redistribution of this Apple software constitutes acceptance of these terms. If you do not agree with these terms, please do not use, install, modify or redistribute this Apple software. In consideration of your agreement to abide by the following terms, and subject to these terms, Apple grants you a personal, non-exclusive license, under Apple's copyrights in this original Apple software (the "Apple Software"), to use, reproduce, modify and redistribute the Apple Software, with or without modifications, in source and/or binary forms; provided that if you redistribute the Apple Software in its entirety and without modifications, you must retain this notice and the following text and disclaimers in all such redistributions of the Apple Software. Neither the name, trademarks, service marks or logos of Apple Computer, Inc. may be used to endorse or promote products derived from the Apple Software without specific prior written permission from Apple. Except as expressly stated in this notice, no other rights or licenses, express or implied, are granted by Apple herein, including but not limited to any patent rights that may be infringed by your derivative works or by other works in which the Apple Software may be incorporated. The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Change History (most recent first): <4> 21/9/01 Quinn Changes for CWPro7 Mach-O build. <3> 22/11/00 Quinn Don't allow classic 68K builds for the reasons explained in the comments. <2> 10/11/00 Quinn Added more MPLog points. I used this to help track down a CarbonLib bug, but they are generally useful so I thought I'd keep them around. <1> 7/11/00 Quinn First checked in.*//////////////////////////////////////////////////////////////////// MoreIsBetter Setup#include "MoreSetup.h"// Mac OS Interfaces#if ! MORE_FRAMEWORK_INCLUDES #include <OSUtils.h> #include <Multiprocessing.h>#endif// MIB interfaces#include "MoreMPLog.h"// Our prototypes#include "MoreBlueActions.h"/////////////////////////////////////////////////////////////////static pascal void MoreBlueActionsRun(long dtParam); // Forward declare to allow globals to be grouped before code.static OTLIFO gMoreBlueActionList = {nil}; // List of MoreBlueAction's chained through link.// I want to statically allocate my RoutineDescriptor (because it avoids // possible memory allocation failures) but Carbon won't let me do that.// *sigh*// // gMoreBlueActionsRun is the single deferred task that is used to run all // of our Blue actions. The MoreBlueActionInstall routine allocates it by using// an atomic test and set on gMoreBlueActionsRunInUse.#if TARGET_API_MAC_CARBON static DeferredTask gMoreBlueActionsRun = {nil, dtQType, 0, nil, 0, 0};#else static RoutineDescriptor gMoreBlueActionsRunRD = BUILD_ROUTINE_DESCRIPTOR(uppDeferredTaskProcInfo, MoreBlueActionsRun); // We can't use this module for classic 68K code because &gMoreBlueActionsRunRD // is not a valid UPP for the 68K build. I originally tried to work around this // by conditionally declaring this structure to use MoreBlueActionsRun for // the 68K case. However, this doesn't really work properly because the // callback has to use register calling conventions. I could fix this with // enough messing around with "#pragma parameter" and :__d0, but I decided // it wasn't worth the effort because this module is specifically targetted // for MP code, and you can't run 68K code in an MP task. #if !TARGET_RT_MAC_CFM #error This module can not be used by 68K code. #endif static DeferredTask gMoreBlueActionsRun = {nil, dtQType, 0, &gMoreBlueActionsRunRD, 0, 0};#endifstatic OTLock gMoreBlueActionsRunInUse = 0; // Set if gMoreBlueActionsRun is currently in the // deferred task queue.// This global controls whether blue actions are run at deferred task time // or system task time. See the header file comments for a discussion of // this facility.#if MORE_DEBUG static Boolean gRunAsSystemTasks = false; static Boolean gModuleInitialised;#endifextern pascal OSStatus InitMoreBlueActions(void) // See comment in header file.{ OSStatus err; MoreAssertQ( ! MPTaskIsPreemptive(kInvalidID) ); MoreAssertQ( ! gModuleInitialised ); err = noErr; #if TARGET_API_MAC_CARBON // Carbon makes me do this silliness! gMoreBlueActionsRun.dtAddr = NewDeferredTaskUPP(MoreBlueActionsRun); if (gMoreBlueActionsRun.dtAddr == nil) { err = memFullErr; } #endif #if MORE_DEBUG gModuleInitialised = (err == noErr); #endif return err;}extern pascal void TermMoreBlueActions(void) // See comment in header file.{ MoreAssertQ( ! MPTaskIsPreemptive(kInvalidID) ); MoreAssertQ( gModuleInitialised ); #if TARGET_API_MAC_CARBON if (gMoreBlueActionsRun.dtAddr != nil) { DisposeDeferredTaskUPP(gMoreBlueActionsRun.dtAddr); gMoreBlueActionsRun.dtAddr = nil; } #endif #if MORE_DEBUG gModuleInitialised = false; #endif}static pascal void MoreBlueActionsRun(long dtParam) // This routine is run in two possible ways. If blue actions // are being run as deferred tasks (which typically is true), // this routine is called by the Deferred Task Manager. // If blue actions are being run as system tasks (during debugging), // this routine is run by MoreBTRunNow, which is called by the client // at system task time. // // Regardless of how it's call, the routine does the same thing. // It first clears gMoreBlueActionsRunInUse, which ensures that any // future blue actions being installed will schedule the deferred task // again. It then grabs the list of blue actions and runs them one // at a time.{ OTLink *taskList; MPLog(kMoreBlueActionsLogID, '>Blu'); #pragma unused(dtParam) OTClearLock(&gMoreBlueActionsRunInUse); taskList = OTReverseList(OTLIFOStealList(&gMoreBlueActionList)); while ( taskList != nil ) { MoreBlueAction *thisTask; thisTask = OTGetLinkObject(taskList, MoreBlueAction, link); MoreAssertQ(thisTask->magic == kMoreBlueActionMagic); // Move taskList along to next element before calling action proc // so that action proc can 'dispose' of thisTask in some way. taskList = taskList->fNext; MoreAssertQ(thisTask->action != nil); MPLog1(kMoreBlueActionsLogID, 'BluD', thisTask); (thisTask->action)(thisTask); } MPLog(kMoreBlueActionsLogID, '<Blu');}extern pascal void MoreBlueActionInstall(MoreBlueAction *thisTask) // See comment in header file.{ OSStatus junk; MoreAssertQ(thisTask->magic == kMoreBlueActionMagic); MoreAssertQ(thisTask->action != nil); MoreAssertQ( gModuleInitialised ); MPLog1(kMoreBlueActionsLogID, '>BlQ', thisTask); // First put the task on the list of tasks to run. Then // see whether the deferred task is already installed or not. // If it isn't, install it. If it is, just return. The // deferred task will handle /all/ of the requests on the list. OTLIFOEnqueue(&gMoreBlueActionList, &thisTask->link); if ( OTAcquireLock(&gMoreBlueActionsRunInUse) ) { #if MORE_DEBUG if (gRunAsSystemTasks) { // Blue actions will be run when client calls MoreBlueActionsRunNow. MPLog1(kMoreBlueActionsLogID, 'BlQ1', thisTask); junk = noErr; } else { MPLog1(kMoreBlueActionsLogID, 'BlQ2', thisTask); junk = DTInstall(&gMoreBlueActionsRun); } #else junk = DTInstall(&gMoreBlueActionsRun); #endif MoreAssertQ(junk == noErr); } else { MPLog1(kMoreBlueActionsLogID, 'BlQ3', thisTask); } MPLog(kMoreBlueActionsLogID, '<BlQ');}#if MORE_DEBUG extern pascal void MoreBTRunAsSystemTasks(Boolean asSystemTasks) // See comment in header file. { MoreAssertQ( ! MPTaskIsPreemptive(kInvalidID) ); gRunAsSystemTasks = asSystemTasks; } extern pascal void MoreBTRunNow(void) // See comment in header file. { MoreAssertQ( ! MPTaskIsPreemptive(kInvalidID) ); if ( gMoreBlueActionsRunInUse ) { MoreBlueActionsRun(0); } } #endif</pre>
<!--googleoff: index -->
</td>
</tr>
</table>
<!-- END WIDE COLUMN -->
<!-- END MAIN CONTENT -->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr>
<td><div style="width: 100%; height: 1px; background-color: #919699; margin-top: 5px; margin-bottom: 15px"></div></td>
</tr>
<tr>
<td align="center"><br/>
<table border="0" cellpadding="0" cellspacing="0" class="graybox">
<tr>
<th>Did this document help you?</th>
</tr>
<tr>
<td>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/OTMP/listing4.html%3Fid%3DDTS10000251-1.0&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=2&url=/samplecode/OTMP/listing4.html%3Fid%3DDTS10000251-1.0&media=dvd" target=_new>It’s good, but:</a> Report typos, inaccuracies, and so forth.</div>
<div><a href="http://developer.apple.com/feedback/?v=3&url=/samplecode/OTMP/listing4.html%3Fid%3DDTS10000251-1.0&media=dvd" target=_new>It wasn’t helpful</a>: Tell us what would have helped.</div>
</td>
</tr>
</table>
</td>
</tr>
</table>
<!-- START BOTTOM APPLE NAVIGATION -->
<!--#include virtual="/includes/footer"-->
<!-- END BOTTOM APPLE NAVIGATION -->
<!-- START CENTER CLOSE -->
</center>
<!-- END CENTER CLOSE -->
</body>
</html>