1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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6 <meta name="keywords" content="Simple Directmedia Layer SDL2.0">
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7 <link rel="top" href="index.html" title="
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8 <link rel="parent" href="CategoryMutex.html" title="1
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9 <title>SDL_SemTryWait</title>
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12 <a href="index.html">
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14 <h1>SDL_SemTryWait</h1>
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15 \83Z
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17 <code>int SDL_SemTryWait(SDL_sem* sem)</code>
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19 <table border="1" summary="SDL_SemTryWait">
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20 <tr><td>sem</td><td>
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22 <h2>
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23 \91Ò
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24 <a href="SDL_GetError.html">SDL_GetError()</a>
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25 <h2>
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32 SDL_AtomicSet(&done, 0);
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33 sem = SDL_CreateSemaphore(0);
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37 while (!SDL_AtomicGet(&done)) {
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38 add_data_to_queue();
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43 while (!SDL_AtomicGet(&done)) {
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44 if (SDL_SemTryWait(sem) == 0 && data_available()) {
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45 get_data_from_queue();
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47 ...
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51 SDL_AtomicSet(&done, 1);
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54 SDL_DestroySemaphore(sem);
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59 \82±
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60 \83Z
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61 <h2>
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62 <a href="SDL_CreateSemaphore.html">SDL_CreateSemaphore</a><br>
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63 <a href="SDL_DestroySemaphore.html">SDL_DestroySemaphore</a><br>
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64 <a href="SDL_SemPost.html">SDL_SemPost</a><br>
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65 <a href="SDL_SemValue.html">SDL_SemValue</a><br>
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66 <a href="SDL_SemWait.html">SDL_SemWait</a><br>
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67 <a href="SDL_SemWaitTimeout.html">SDL_SemWaitTimeout</a><br>
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68 <h2>SDL Wiki
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69 <a href="https://wiki.libsdl.org/SDL_SemTryWait">SDL_SemTryWait - SDL Wiki</a>
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