Mercurial > sdl-ios-xcode
annotate docs/html/sdlcdresume.html @ 1157:baf35853ad54
Date: Mon, 10 Oct 2005 13:09:32 +0300
From: Tommi Kyntola <tommi.kyntola@ray.fi>
To: sdl@libsdl.org
Subject: [SDL] [RFC] get_ticks broken on linux
It uses gettimeofday to calculate the timedifference.
Gettimeofday returns current time which is seldom monotonous.
This breaks SDL timer subsystem. (time callbacks and all that
get borked when the time difference ms is suddenly ~ 2^32)
I posted a message about this earlier but got no response.
Some thoughts on this matter would be appreciated.
(Or even an explanation for the lack of interest.)
A patch below would use the posix timers that have been around
since posix 93 and do provide a good source of monotonous time
on linux boxes (and on few others too).
The following patch is also availabe at:
http://www.hut.fi/u/tkyntola/SDL-1.2.9-clockfix.patch
It's against 1.2.9, but I can easily rediffit against
the cvs branch is needed.
cheers,
Tommi Kyntola tommi.kyntola@ray.fi
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Tue, 11 Oct 2005 18:16:12 +0000 |
parents | 355632dca928 |
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rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_CDResume</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
0 | 8 "><LINK |
9 REL="HOME" | |
10 TITLE="SDL Library Documentation" | |
11 HREF="index.html"><LINK | |
12 REL="UP" | |
13 TITLE="CD-ROM" | |
14 HREF="cdrom.html"><LINK | |
15 REL="PREVIOUS" | |
16 TITLE="SDL_CDPause" | |
17 HREF="sdlcdpause.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_CDStop" | |
20 HREF="sdlcdstop.html"></HEAD | |
21 ><BODY | |
22 CLASS="REFENTRY" | |
23 BGCOLOR="#FFF8DC" | |
24 TEXT="#000000" | |
25 LINK="#0000ee" | |
26 VLINK="#551a8b" | |
27 ALINK="#ff0000" | |
28 ><DIV | |
29 CLASS="NAVHEADER" | |
30 ><TABLE | |
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31 SUMMARY="Header navigation table" |
0 | 32 WIDTH="100%" |
33 BORDER="0" | |
34 CELLPADDING="0" | |
35 CELLSPACING="0" | |
36 ><TR | |
37 ><TH | |
38 COLSPAN="3" | |
39 ALIGN="center" | |
40 >SDL Library Documentation</TH | |
41 ></TR | |
42 ><TR | |
43 ><TD | |
44 WIDTH="10%" | |
45 ALIGN="left" | |
46 VALIGN="bottom" | |
47 ><A | |
48 HREF="sdlcdpause.html" | |
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49 ACCESSKEY="P" |
0 | 50 >Prev</A |
51 ></TD | |
52 ><TD | |
53 WIDTH="80%" | |
54 ALIGN="center" | |
55 VALIGN="bottom" | |
56 ></TD | |
57 ><TD | |
58 WIDTH="10%" | |
59 ALIGN="right" | |
60 VALIGN="bottom" | |
61 ><A | |
62 HREF="sdlcdstop.html" | |
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63 ACCESSKEY="N" |
0 | 64 >Next</A |
65 ></TD | |
66 ></TR | |
67 ></TABLE | |
68 ><HR | |
69 ALIGN="LEFT" | |
70 WIDTH="100%"></DIV | |
71 ><H1 | |
72 ><A | |
73 NAME="SDLCDRESUME" | |
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74 ></A |
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75 >SDL_CDResume</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN7455" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_CDResume -- Resumes a CDROM</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN7458" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN7459" |
0 | 95 ></A |
96 ><P | |
97 ></P | |
98 ><PRE | |
99 CLASS="FUNCSYNOPSISINFO" | |
100 >#include "SDL.h"</PRE | |
101 ><P | |
102 ><CODE | |
103 ><CODE | |
104 CLASS="FUNCDEF" | |
105 >int <B | |
106 CLASS="FSFUNC" | |
107 >SDL_CDResume</B | |
108 ></CODE | |
109 >(SDL_CD *cdrom);</CODE | |
110 ></P | |
111 ><P | |
112 ></P | |
113 ></DIV | |
114 ></DIV | |
115 ><DIV | |
116 CLASS="REFSECT1" | |
117 ><A | |
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118 NAME="AEN7465" |
0 | 119 ></A |
120 ><H2 | |
121 >Description</H2 | |
122 ><P | |
123 >Resumes play on the given <TT | |
124 CLASS="PARAMETER" | |
125 ><I | |
126 >cdrom</I | |
127 ></TT | |
128 >.</P | |
129 ></DIV | |
130 ><DIV | |
131 CLASS="REFSECT1" | |
132 ><A | |
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133 NAME="AEN7469" |
0 | 134 ></A |
135 ><H2 | |
136 >Return Value</H2 | |
137 ><P | |
138 >Returns <SPAN | |
139 CLASS="RETURNVALUE" | |
140 >0</SPAN | |
141 > on success, or <SPAN | |
142 CLASS="RETURNVALUE" | |
143 >-1</SPAN | |
144 > on an error.</P | |
145 ></DIV | |
146 ><DIV | |
147 CLASS="REFSECT1" | |
148 ><A | |
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149 NAME="AEN7474" |
0 | 150 ></A |
151 ><H2 | |
152 >See Also</H2 | |
153 ><P | |
154 ><A | |
155 HREF="sdlcdplay.html" | |
156 ><TT | |
157 CLASS="FUNCTION" | |
158 >SDL_CDPlay</TT | |
159 ></A | |
160 >, | |
161 <A | |
162 HREF="sdlcdpause.html" | |
163 ><TT | |
164 CLASS="FUNCTION" | |
165 >SDL_CDPause</TT | |
166 ></A | |
167 ></P | |
168 ></DIV | |
169 ><DIV | |
170 CLASS="NAVFOOTER" | |
171 ><HR | |
172 ALIGN="LEFT" | |
173 WIDTH="100%"><TABLE | |
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174 SUMMARY="Footer navigation table" |
0 | 175 WIDTH="100%" |
176 BORDER="0" | |
177 CELLPADDING="0" | |
178 CELLSPACING="0" | |
179 ><TR | |
180 ><TD | |
181 WIDTH="33%" | |
182 ALIGN="left" | |
183 VALIGN="top" | |
184 ><A | |
185 HREF="sdlcdpause.html" | |
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186 ACCESSKEY="P" |
0 | 187 >Prev</A |
188 ></TD | |
189 ><TD | |
190 WIDTH="34%" | |
191 ALIGN="center" | |
192 VALIGN="top" | |
193 ><A | |
194 HREF="index.html" | |
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195 ACCESSKEY="H" |
0 | 196 >Home</A |
197 ></TD | |
198 ><TD | |
199 WIDTH="33%" | |
200 ALIGN="right" | |
201 VALIGN="top" | |
202 ><A | |
203 HREF="sdlcdstop.html" | |
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204 ACCESSKEY="N" |
0 | 205 >Next</A |
206 ></TD | |
207 ></TR | |
208 ><TR | |
209 ><TD | |
210 WIDTH="33%" | |
211 ALIGN="left" | |
212 VALIGN="top" | |
213 >SDL_CDPause</TD | |
214 ><TD | |
215 WIDTH="34%" | |
216 ALIGN="center" | |
217 VALIGN="top" | |
218 ><A | |
219 HREF="cdrom.html" | |
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220 ACCESSKEY="U" |
0 | 221 >Up</A |
222 ></TD | |
223 ><TD | |
224 WIDTH="33%" | |
225 ALIGN="right" | |
226 VALIGN="top" | |
227 >SDL_CDStop</TD | |
228 ></TR | |
229 ></TABLE | |
230 ></DIV | |
231 ></BODY | |
232 ></HTML | |
233 > |