Mercurial > sdl-ios-xcode
annotate docs/html/time.html @ 1166:da33b7e6d181
Date: Tue, 1 Nov 2005 20:25:10 +0100
From: Dirk Mueller
Subject: [PATCH] build SDL with nonexecutable stack
libSDL is by default marked with an executable stack, which it doesn't
actually need. the reason for this is that there are assembler files in the
source tree not properly annotated with the "noexec stack" section. As such
the linker does a safe-fallback and marks the whole lib as "requires
executable stack".
the patch below removes this by adding annotations. As far as I can see it
shouldn't break anything.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 01 Nov 2005 23:19:59 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >Time</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="SDL Reference" | |
| 14 HREF="reference.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_CondWaitTimeout" | |
| 17 HREF="sdlcondwaittimeout.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_GetTicks" | |
| 20 HREF="sdlgetticks.html"><META | |
| 21 NAME="KEYWORD" | |
| 22 CONTENT="time"><META | |
| 23 NAME="KEYWORD" | |
| 24 CONTENT="function"></HEAD | |
| 25 ><BODY | |
| 26 CLASS="CHAPTER" | |
| 27 BGCOLOR="#FFF8DC" | |
| 28 TEXT="#000000" | |
| 29 LINK="#0000ee" | |
| 30 VLINK="#551a8b" | |
| 31 ALINK="#ff0000" | |
| 32 ><DIV | |
| 33 CLASS="NAVHEADER" | |
| 34 ><TABLE | |
|
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35 SUMMARY="Header navigation table" |
| 0 | 36 WIDTH="100%" |
| 37 BORDER="0" | |
| 38 CELLPADDING="0" | |
| 39 CELLSPACING="0" | |
| 40 ><TR | |
| 41 ><TH | |
| 42 COLSPAN="3" | |
| 43 ALIGN="center" | |
| 44 >SDL Library Documentation</TH | |
| 45 ></TR | |
| 46 ><TR | |
| 47 ><TD | |
| 48 WIDTH="10%" | |
| 49 ALIGN="left" | |
| 50 VALIGN="bottom" | |
| 51 ><A | |
| 52 HREF="sdlcondwaittimeout.html" | |
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53 ACCESSKEY="P" |
| 0 | 54 >Prev</A |
| 55 ></TD | |
| 56 ><TD | |
| 57 WIDTH="80%" | |
| 58 ALIGN="center" | |
| 59 VALIGN="bottom" | |
| 60 ></TD | |
| 61 ><TD | |
| 62 WIDTH="10%" | |
| 63 ALIGN="right" | |
| 64 VALIGN="bottom" | |
| 65 ><A | |
| 66 HREF="sdlgetticks.html" | |
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67 ACCESSKEY="N" |
| 0 | 68 >Next</A |
| 69 ></TD | |
| 70 ></TR | |
| 71 ></TABLE | |
| 72 ><HR | |
| 73 ALIGN="LEFT" | |
| 74 WIDTH="100%"></DIV | |
| 75 ><DIV | |
| 76 CLASS="CHAPTER" | |
| 77 ><H1 | |
| 78 ><A | |
| 79 NAME="TIME" | |
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80 ></A |
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81 >Chapter 13. Time</H1 |
| 0 | 82 ><DIV |
| 83 CLASS="TOC" | |
| 84 ><DL | |
| 85 ><DT | |
| 86 ><B | |
| 87 >Table of Contents</B | |
| 88 ></DT | |
| 89 ><DT | |
| 90 ><A | |
| 91 HREF="sdlgetticks.html" | |
| 92 >SDL_GetTicks</A | |
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93 > -- Get the number of milliseconds since the SDL library initialization.</DT |
| 0 | 94 ><DT |
| 95 ><A | |
| 96 HREF="sdldelay.html" | |
| 97 >SDL_Delay</A | |
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98 > -- Wait a specified number of milliseconds before returning.</DT |
| 0 | 99 ><DT |
| 100 ><A | |
| 101 HREF="sdladdtimer.html" | |
| 102 >SDL_AddTimer</A | |
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103 > -- Add a timer which will call a callback after the specified number of milliseconds has |
| 0 | 104 elapsed.</DT |
| 105 ><DT | |
| 106 ><A | |
| 107 HREF="sdlremovetimer.html" | |
| 108 >SDL_RemoveTimer</A | |
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109 > -- Remove a timer which was added with |
| 0 | 110 <A |
| 111 HREF="sdladdtimer.html" | |
| 112 >SDL_AddTimer</A | |
| 113 >.</DT | |
| 114 ><DT | |
| 115 ><A | |
| 116 HREF="sdlsettimer.html" | |
| 117 >SDL_SetTimer</A | |
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118 > -- Set a callback to run after the specified number of milliseconds has |
| 0 | 119 elapsed.</DT |
| 120 ></DL | |
| 121 ></DIV | |
| 122 ><P | |
| 123 >SDL provides several cross-platform functions for dealing with time. | |
| 124 It provides a way to get the current time, a way to wait a little while, | |
| 125 and a simple timer mechanism. These functions give you two ways of moving an | |
| 126 object every x milliseconds: | |
| 127 | |
| 128 <P | |
| 129 ></P | |
| 130 ><UL | |
| 131 ><LI | |
| 132 ><P | |
| 133 >Use a timer callback function. This may have the bad effect that it runs in a seperate thread or uses alarm signals, but it's easier to implement.</P | |
| 134 ></LI | |
| 135 ><LI | |
| 136 ><P | |
| 137 >Or you can get the number of milliseconds passed, and move the object if, for example, 30 ms passed.</P | |
| 138 ></LI | |
| 139 ></UL | |
| 140 > </P | |
| 141 ></DIV | |
| 142 ><DIV | |
| 143 CLASS="NAVFOOTER" | |
| 144 ><HR | |
| 145 ALIGN="LEFT" | |
| 146 WIDTH="100%"><TABLE | |
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147 SUMMARY="Footer navigation table" |
| 0 | 148 WIDTH="100%" |
| 149 BORDER="0" | |
| 150 CELLPADDING="0" | |
| 151 CELLSPACING="0" | |
| 152 ><TR | |
| 153 ><TD | |
| 154 WIDTH="33%" | |
| 155 ALIGN="left" | |
| 156 VALIGN="top" | |
| 157 ><A | |
| 158 HREF="sdlcondwaittimeout.html" | |
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parents:
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159 ACCESSKEY="P" |
| 0 | 160 >Prev</A |
| 161 ></TD | |
| 162 ><TD | |
| 163 WIDTH="34%" | |
| 164 ALIGN="center" | |
| 165 VALIGN="top" | |
| 166 ><A | |
| 167 HREF="index.html" | |
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803
355632dca928
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parents:
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diff
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168 ACCESSKEY="H" |
| 0 | 169 >Home</A |
| 170 ></TD | |
| 171 ><TD | |
| 172 WIDTH="33%" | |
| 173 ALIGN="right" | |
| 174 VALIGN="top" | |
| 175 ><A | |
| 176 HREF="sdlgetticks.html" | |
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803
355632dca928
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parents:
55
diff
changeset
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177 ACCESSKEY="N" |
| 0 | 178 >Next</A |
| 179 ></TD | |
| 180 ></TR | |
| 181 ><TR | |
| 182 ><TD | |
| 183 WIDTH="33%" | |
| 184 ALIGN="left" | |
| 185 VALIGN="top" | |
| 186 >SDL_CondWaitTimeout</TD | |
| 187 ><TD | |
| 188 WIDTH="34%" | |
| 189 ALIGN="center" | |
| 190 VALIGN="top" | |
| 191 ><A | |
| 192 HREF="reference.html" | |
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parents:
55
diff
changeset
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193 ACCESSKEY="U" |
| 0 | 194 >Up</A |
| 195 ></TD | |
| 196 ><TD | |
| 197 WIDTH="33%" | |
| 198 ALIGN="right" | |
| 199 VALIGN="top" | |
| 200 >SDL_GetTicks</TD | |
| 201 ></TR | |
| 202 ></TABLE | |
| 203 ></DIV | |
| 204 ></BODY | |
| 205 ></HTML | |
| 206 > |