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Added not about not supporting Windows

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Removed SIG_ constants from signal list
Modified pcntl_signal example to be more verbose


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@58748 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Jason Greene 2001-09-30 08:34:46 +00:00
parent 6ea61098bd
commit cf82f3872a
1 changed files with 27 additions and 12 deletions
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39
functions/pcntl.xml
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@ -1,5 +1,5 @@
<?xml encoding="iso-8859-1"?>
<!-- $Revision: 1.4 $ -->
<!-- $Revision: 1.5 $ -->
<reference id="ref.pcntl">
<title>Process Control Functions</title>
<titleabbrev>PCNTL</titleabbrev>
@ -27,6 +27,12 @@
configuration option when compiling PHP to enable Process Control
support.
</para>
<note>
<para>
Currently, this module will not function on non-Unix platforms
(Windows).
</para>
</note>
<para>
The following list of signals are supported by the Process Control
functions. Please see your systems signal(7) man page for details
@ -36,17 +42,12 @@
<tgroup cols="2">
<tbody>
<row>
<entry><literal>SIG_IGN</literal></entry>
<entry><literal>SIGFPE</literal></entry>
<entry><literal>SIGCONT</literal></entry>
</row>
<row>
<entry><literal>SIG_DFL</literal></entry>
<entry><literal>SIGKILL</literal></entry>
<entry><literal>SIGSTOP</literal></entry>
</row>
<row>
<entry><literal>SIG_ERR</literal></entry>
<entry><literal>SIGSTOP</literal></entry>
<entry><literal>SIGUSR1</literal></entry>
<entry><literal>SIGTSTP</literal></entry>
</row>
@ -243,14 +244,10 @@ if ($pid == -1) {
&false; on failure.
</para>
<example>
<title><function>pcntl_fork</function> Example</title>
<title><function>pcntl_signal</function> Example</title>
<programlisting role="php">
&lt;?php
// setup signal handlers
pcntl_signal(SIGTERM, "sig_handler");
pcntl_signal(SIGHUP, "sig_handler");
// signal handler function
function sig_handler($signo) {
@ -262,12 +259,30 @@ function sig_handler($signo) {
case SIGHUP:
// handle restart tasks
break;
case SIGUSR1:
print "Caught SIGUSR1...\n";
break;
default:
// handle all other signals
}
}
print "Installing signal handler...\n";
// setup signal handlers
pcntl_signal(SIGTERM, "sig_handler");
pcntl_signal(SIGHUP, "sig_handler");
pcntl_signal(SIGUSR1, "sig_handler");
print "Generating signal SIGTERM to self...\n";
// send SIGUSR1 to current process id
posix_kill(posix_getpid(), SIGUSR1);
print "Done\n"
?&gt;
</programlisting>
</example>