Subversion Repositories Kolibri OS

Rev

Blame | Last modification | View Log | RSS feed

  1. <HTML
  2. ><HEAD
  3. ><TITLE
  4. >SDL_SemValue</TITLE
  5. ><META
  6. NAME="GENERATOR"
  7. CONTENT="Modular DocBook HTML Stylesheet Version 1.64
  8. "><LINK
  9. REL="HOME"
  10. TITLE="SDL Library Documentation"
  11. HREF="index.html"><LINK
  12. REL="UP"
  13. TITLE="Multi-threaded Programming"
  14. HREF="thread.html"><LINK
  15. REL="PREVIOUS"
  16. TITLE="SDL_SemPost"
  17. HREF="sdlsempost.html"><LINK
  18. REL="NEXT"
  19. TITLE="SDL_CreateCond"
  20. HREF="sdlcreatecond.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
  31. WIDTH="100%"
  32. BORDER="0"
  33. CELLPADDING="0"
  34. CELLSPACING="0"
  35. ><TR
  36. ><TH
  37. COLSPAN="3"
  38. ALIGN="center"
  39. >SDL Library Documentation</TH
  40. ></TR
  41. ><TR
  42. ><TD
  43. WIDTH="10%"
  44. ALIGN="left"
  45. VALIGN="bottom"
  46. ><A
  47. HREF="sdlsempost.html"
  48. >Prev</A
  49. ></TD
  50. ><TD
  51. WIDTH="80%"
  52. ALIGN="center"
  53. VALIGN="bottom"
  54. ></TD
  55. ><TD
  56. WIDTH="10%"
  57. ALIGN="right"
  58. VALIGN="bottom"
  59. ><A
  60. HREF="sdlcreatecond.html"
  61. >Next</A
  62. ></TD
  63. ></TR
  64. ></TABLE
  65. ><HR
  66. ALIGN="LEFT"
  67. WIDTH="100%"></DIV
  68. ><H1
  69. ><A
  70. NAME="SDLSEMVALUE"
  71. >SDL_SemValue</A
  72. ></H1
  73. ><DIV
  74. CLASS="REFNAMEDIV"
  75. ><A
  76. NAME="AEN7669"
  77. ></A
  78. ><H2
  79. >Name</H2
  80. >SDL_SemValue&nbsp;--&nbsp;Return the current value of a semaphore.</DIV
  81. ><DIV
  82. CLASS="REFSYNOPSISDIV"
  83. ><A
  84. NAME="AEN7672"
  85. ></A
  86. ><H2
  87. >Synopsis</H2
  88. ><DIV
  89. CLASS="FUNCSYNOPSIS"
  90. ><A
  91. NAME="AEN7673"
  92. ></A
  93. ><P
  94. ></P
  95. ><PRE
  96. CLASS="FUNCSYNOPSISINFO"
  97. >#include "SDL.h"
  98. #include "SDL/SDL_thread.h"</PRE
  99. ><P
  100. ><CODE
  101. ><CODE
  102. CLASS="FUNCDEF"
  103. >Uint32 <B
  104. CLASS="FSFUNC"
  105. >SDL_SemValue</B
  106. ></CODE
  107. >(SDL_sem *sem);</CODE
  108. ></P
  109. ><P
  110. ></P
  111. ></DIV
  112. ></DIV
  113. ><DIV
  114. CLASS="REFSECT1"
  115. ><A
  116. NAME="AEN7679"
  117. ></A
  118. ><H2
  119. >Description</H2
  120. ><P
  121. ><TT
  122. CLASS="FUNCTION"
  123. >SDL_SemValue()</TT
  124. > returns the current semaphore value from
  125. the semaphore pointed to by <TT
  126. CLASS="PARAMETER"
  127. ><I
  128. >sem</I
  129. ></TT
  130. >.</P
  131. ></DIV
  132. ><DIV
  133. CLASS="REFSECT1"
  134. ><A
  135. NAME="AEN7684"
  136. ></A
  137. ><H2
  138. >Return Value</H2
  139. ><P
  140. >Returns current value of the semaphore.</P
  141. ></DIV
  142. ><DIV
  143. CLASS="REFSECT1"
  144. ><A
  145. NAME="AEN7687"
  146. ></A
  147. ><H2
  148. >Examples</H2
  149. ><P
  150. ><PRE
  151. CLASS="PROGRAMLISTING"
  152. >  sem_value = SDL_SemValue(my_sem);</PRE
  153. ></P
  154. ></DIV
  155. ><DIV
  156. CLASS="REFSECT1"
  157. ><A
  158. NAME="AEN7691"
  159. ></A
  160. ><H2
  161. >See Also</H2
  162. ><P
  163. ><A
  164. HREF="sdlcreatesemaphore.html"
  165. ><TT
  166. CLASS="FUNCTION"
  167. >SDL_CreateSemaphore</TT
  168. ></A
  169. >,
  170. <A
  171. HREF="sdldestroysemaphore.html"
  172. ><TT
  173. CLASS="FUNCTION"
  174. >SDL_DestroySemaphore</TT
  175. ></A
  176. >,
  177. <A
  178. HREF="sdlsemwait.html"
  179. ><TT
  180. CLASS="FUNCTION"
  181. >SDL_SemWait</TT
  182. ></A
  183. >,
  184. <A
  185. HREF="sdlsemtrywait.html"
  186. ><TT
  187. CLASS="FUNCTION"
  188. >SDL_SemTryWait</TT
  189. ></A
  190. >,
  191. <A
  192. HREF="sdlsemwaittimeout.html"
  193. ><TT
  194. CLASS="FUNCTION"
  195. >SDL_SemWaitTimeout</TT
  196. ></A
  197. >,
  198. <A
  199. HREF="sdlsempost.html"
  200. ><TT
  201. CLASS="FUNCTION"
  202. >SDL_SemPost</TT
  203. ></A
  204. ></P
  205. ></DIV
  206. ><DIV
  207. CLASS="NAVFOOTER"
  208. ><HR
  209. ALIGN="LEFT"
  210. WIDTH="100%"><TABLE
  211. WIDTH="100%"
  212. BORDER="0"
  213. CELLPADDING="0"
  214. CELLSPACING="0"
  215. ><TR
  216. ><TD
  217. WIDTH="33%"
  218. ALIGN="left"
  219. VALIGN="top"
  220. ><A
  221. HREF="sdlsempost.html"
  222. >Prev</A
  223. ></TD
  224. ><TD
  225. WIDTH="34%"
  226. ALIGN="center"
  227. VALIGN="top"
  228. ><A
  229. HREF="index.html"
  230. >Home</A
  231. ></TD
  232. ><TD
  233. WIDTH="33%"
  234. ALIGN="right"
  235. VALIGN="top"
  236. ><A
  237. HREF="sdlcreatecond.html"
  238. >Next</A
  239. ></TD
  240. ></TR
  241. ><TR
  242. ><TD
  243. WIDTH="33%"
  244. ALIGN="left"
  245. VALIGN="top"
  246. >SDL_SemPost</TD
  247. ><TD
  248. WIDTH="34%"
  249. ALIGN="center"
  250. VALIGN="top"
  251. ><A
  252. HREF="thread.html"
  253. >Up</A
  254. ></TD
  255. ><TD
  256. WIDTH="33%"
  257. ALIGN="right"
  258. VALIGN="top"
  259. >SDL_CreateCond</TD
  260. ></TR
  261. ></TABLE
  262. ></DIV
  263. ></BODY
  264. ></HTML
  265. >