Events: Difference between revisions
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(Events en Yabasic) |
m (→{{header|Phix}}: added syntax colouring the hard way) |
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in main() acts as signalling an event, and the one in echo() from whichever goes first acts to signal |
in main() acts as signalling an event, and the one in echo() from whichever goes first acts to signal |
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that the other can/should resume. |
that the other can/should resume. |
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<lang Phix> |
<!--<lang Phix>(notonline)--> |
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<span style="color: #008080;">constant</span> <span style="color: #000000;">lock</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">init_cs</span><span style="color: #0000FF;">()</span> |
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include timedate.e |
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<span style="color: #008080;">include</span> <span style="color: #000000;">timedate</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span> |
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procedure showtime() |
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<span style="color: #008080;">procedure</span> <span style="color: #000000;">showtime</span><span style="color: #0000FF;">()</span> |
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puts(1,format_timedate(date()," h:m:s\n")) |
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<span style="color: #7060A8;">puts</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">format_timedate</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">date</span><span style="color: #0000FF;">(),</span><span style="color: #008000;">" h:m:s\n"</span><span style="color: #0000FF;">))</span> |
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end procedure |
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<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span> |
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procedure echo(string s) |
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<span style="color: #008080;">procedure</span> <span style="color: #000000;">echo</span><span style="color: #0000FF;">(</span><span style="color: #004080;">string</span> <span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> |
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sleep(rnd()/10) -- see note |
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<span style="color: #7060A8;">sleep</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">rnd</span><span style="color: #0000FF;">()/</span><span style="color: #000000;">10</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- see note</span> |
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enter_cs(lock) |
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<span style="color: #7060A8;">enter_cs</span><span style="color: #0000FF;">(</span><span style="color: #000000;">lock</span><span style="color: #0000FF;">)</span> |
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puts(1,s) |
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<span style="color: #7060A8;">puts</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> |
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sleep(1) |
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<span style="color: #7060A8;">sleep</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span> |
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showtime() |
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<span style="color: #000000;">showtime</span><span style="color: #0000FF;">()</span> |
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leave_cs(lock) |
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<span style="color: #7060A8;">leave_cs</span><span style="color: #0000FF;">(</span><span style="color: #000000;">lock</span><span style="color: #0000FF;">)</span> |
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end procedure |
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<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span> |
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procedure main() |
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<span style="color: #008080;">procedure</span> <span style="color: #000000;">main</span><span style="color: #0000FF;">()</span> |
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enter_cs(lock) |
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<span style="color: #7060A8;">enter_cs</span><span style="color: #0000FF;">(</span><span style="color: #000000;">lock</span><span style="color: #0000FF;">)</span> |
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sequence threads = {create_thread(routine_id("echo"),{"job1"}), |
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<span style="color: #004080;">sequence</span> <span style="color: #000000;">threads</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">create_thread</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">routine_id</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"echo"</span><span style="color: #0000FF;">),{</span><span style="color: #008000;">"job1"</span><span style="color: #0000FF;">}),</span> |
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create_thread(routine_id("echo"),{"job2"})} |
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<span style="color: #000000;">create_thread</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">routine_id</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"echo"</span><span style="color: #0000FF;">),{</span><span style="color: #008000;">"job2"</span><span style="color: #0000FF;">})}</span> |
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puts(1,"main") |
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<span style="color: #7060A8;">puts</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"main"</span><span style="color: #0000FF;">)</span> |
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showtime() |
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<span style="color: #000000;">showtime</span><span style="color: #0000FF;">()</span> |
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sleep(1) |
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<span style="color: #7060A8;">sleep</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span> |
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puts(1,"free") |
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<span style="color: #7060A8;">puts</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"free"</span><span style="color: #0000FF;">)</span> |
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showtime() |
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<span style="color: #000000;">showtime</span><span style="color: #0000FF;">()</span> |
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leave_cs(lock) |
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<span style="color: #7060A8;">leave_cs</span><span style="color: #0000FF;">(</span><span style="color: #000000;">lock</span><span style="color: #0000FF;">)</span> |
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wait_thread(threads) |
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<span style="color: #000000;">wait_thread</span><span style="color: #0000FF;">(</span><span style="color: #000000;">threads</span><span style="color: #0000FF;">)</span> |
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puts(1,"done\n") |
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<span style="color: #7060A8;">puts</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"done\n"</span><span style="color: #0000FF;">)</span> |
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end procedure |
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<span style="color: #008080;">end</span> <span style="color: #008080;">procedure</span> |
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| ⚫ | |||
<span style="color: #000000;">main</span><span style="color: #0000FF;">()</span> |
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| ⚫ | |||
{{out}} |
{{out}} |
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Typically the first thread to attempt enter_cs() is released first, but there is |
Typically the first thread to attempt enter_cs() is released first, but there is |
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</pre> |
</pre> |
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External events such as timers and user input are handled in pGUI, eg |
External events such as timers and user input are handled in pGUI, eg |
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<lang Phix> |
<!--<lang Phix>--> |
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<span style="color: #008080;">function</span> <span style="color: #000000;">timer_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000080;font-style:italic;">/*ih*/</span><span style="color: #0000FF;">)</span> |
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IupUpdate(canvas) |
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<span style="color: #7060A8;">IupUpdate</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">)</span> |
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return IUP_IGNORE |
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<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_IGNORE</span> |
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end function |
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<span style="color: #008080;">end</span> <span style="color: #008080;">function</span> |
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Ihandle timer = IupTimer(Icallback("timer_cb"), 1000) |
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<span style="color: #004080;">Ihandle</span> <span style="color: #000000;">timer</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupTimer</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"timer_cb"</span><span style="color: #0000FF;">),</span> <span style="color: #000000;">1000</span><span style="color: #0000FF;">)</span> |
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function key_cb(Ihandle /*ih*/, atom c) |
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<span style="color: #008080;">function</span> <span style="color: #000000;">key_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000080;font-style:italic;">/*ih*/</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">atom</span> <span style="color: #000000;">c</span><span style="color: #0000FF;">)</span> |
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if c=K_ESC then return IUP_CLOSE end if |
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<span style="color: #008080;">if</span> <span style="color: #000000;">c</span><span style="color: #0000FF;">=</span><span style="color: #004600;">K_ESC</span> <span style="color: #008080;">then</span> <span style="color: #008080;">return</span> <span style="color: #004600;">IUP_CLOSE</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span> |
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if c=K_F5 then |
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<span style="color: #008080;">if</span> <span style="color: #000000;">c</span><span style="color: #0000FF;">=</span><span style="color: #004600;">K_F5</span> <span style="color: #008080;">then</span> |
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iteration = 0 |
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<span style="color: #000000;">iteration</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">0</span> |
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IupSetInt(timer,"RUN",1) -- (restart timer) |
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<span style="color: #7060A8;">IupSetInt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">timer</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"RUN"</span><span style="color: #0000FF;">,</span><span style="color: #000000;">1</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- (restart timer)</span> |
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end if |
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<span style="color: #008080;">end</span> <span style="color: #008080;">if</span> |
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return IUP_CONTINUE |
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<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_CONTINUE</span> |
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end function |
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<span style="color: #008080;">end</span> <span style="color: #008080;">function</span> |
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IupSetCallback(dlg, "K_ANY", Icallback("key_cb"))</lang> |
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<span style="color: #7060A8;">IupSetCallback</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"K_ANY"</span><span style="color: #0000FF;">,</span> <span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"key_cb"</span><span style="color: #0000FF;">))</span> |
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<!--</lang>--> |
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=={{header|PicoLisp}}== |
=={{header|PicoLisp}}== |
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