1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
<!--plsfield:text-->
<HTML><HEAD>
<TITLE>C API Reference -- Ns_BroadcastEvent</TITLE>
<LINK rel=Previous href="c-ch15.htm">
<LINK rel=ToC href="toc.htm">
<LINK rel=Index href="master.htm">
<LINK rel=Next href="c-ch17.htm">
</HEAD><BODY BGCOLOR="#ffffff"><A NAME="topofpage"></A>
<TABLE WIDTH=100%>
<TR>
<TD ALIGN=LEFT>
<A NAME="topofpage"></A> <IMG SRC="as-c-sm.gif">
</TD>
<TD ALIGN=RIGHT>
<A href="c-ch15.htm"><IMG BORDER="0" src=navbprev.gif alt="[ Previous ]"></A>
<A href=toc.htm> <IMG BORDER="0" src=navbhome.gif alt="[ Contents ]"></A>
<A href=master.htm> <IMG BORDER="0" src=navbhelp.gif alt="[ Index ]"></A>
<A href="c-ch17.htm"> <IMG BORDER="0" src=navbnext.gif alt="[ Next ]"></A>
<A name="7983"> </A>
</TD>
</TR>
</TABLE>
<a name="70782">
</a><h3>Ns_BroadcastEvent</h3>
<a name="132268">
</a><h4>Overview</h4>
Wake up events that are waiting to be triggered
<a name="132269">
</a><a name="132270">
</a><h4>Syntax</h4>
<pre> <a name="70784"></a>int Ns_BroadcastEvent(
<a name="70785"></a>Ns_Event * event
<a name="70786"></a>);
</pre><p><a name="133622">
</a><h4>Description</h4>
<p><a name="70788">
</a>Wake up all the threads waiting on the event. If no threads are waiting on the event, this function has no effect.</p>
<a name="201382">
</a><h4>Examples</h4>
<pre> <a name="201383"></a>static Ns_Event myev;
<a name="201430"></a>static Ns_Mutex mylock;
<a name="201394"></a>
<a name="201395"></a>void
<a name="201396"></a>Init(void)
<a name="201397"></a>{
<a name="201429"></a> /* Initialize the lock and event at startup. */
<a name="201402"></a> Ns_InitializeMutex(&mylock);
<a name="201398"></a> Ns_InitializeEvent(&myev);
<a name="201403"></a>}
<a name="201404"></a>
<a name="201420"></a>/* Lock the mutex and wait for the event. */
<a name="201405"></a>void
<a name="201406"></a>WaitFunc(void)
<a name="201407"></a>{
<a name="201410"></a> Ns_LockMutex(&mylock);
<a name="201411"></a> Ns_WaitForEvent(&myev, &mylock);
<a name="201412"></a>}
<a name="201413"></a>
<a name="201419"></a>/* Wake up any waiting threads. */
<a name="201414"></a>void
<a name="201415"></a>BroadcastFunc(void)
<a name="201416"></a>{
<a name="201417"></a> Ns_BroadcastEvent(&myev);
<a name="201418"></a>}
</pre><p><p><a name="201380">
</a></p>
<TABLE BORDER="2" CELLPADDING="1" width="100%">
<TR><TD COLSPAN=3><P ALIGN=Center>
<IMG SRC="bluebult.gif">
<A HREF="#topofpage">
<FONT SIZE=-1>Top of Page</FONT></A>
<IMG SRC="bluebult.gif">
</TD></TR>
<TR><TD COLSPAN=3><P ALIGN=Center>
<A href="c-ch15.htm">
<IMG BORDER="0" src=navbprev.gif alt="[ Previous ]"></A>
<A href=toc.htm>
<IMG BORDER="0" src=navbhome.gif alt="[ Contents ]"></A>
<A href=master.htm>
<IMG BORDER="0" src=navbhelp.gif alt="[ Index ]"></A>
<A href="c-ch17.htm">
<IMG BORDER="0" src=navbnext.gif alt="[ Next ]"></A>
<BR align=center>
<FONT size=-1>Copyright © 1998-99 America Online,
Inc.</FONT>
</TD></TR></TABLE></BODY></HTML><!--plsfield:end-->
|
