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--install-signal-handles=no does not affect the timer signal (#1908)
author
Simon Marlow
<marlowsd@gmail.com>
Thu, 27 May 2010 21:46:27 +0000
(21:46 +0000)
committer
Simon Marlow
<marlowsd@gmail.com>
Thu, 27 May 2010 21:46:27 +0000
(21:46 +0000)
docs/users_guide/runtime_control.xml
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diff --git
a/docs/users_guide/runtime_control.xml
b/docs/users_guide/runtime_control.xml
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--- a/
docs/users_guide/runtime_control.xml
+++ b/
docs/users_guide/runtime_control.xml
@@
-130,6
+130,15
@@
things like ctrl-C. This option is primarily useful for when
you are using the Haskell code as a DLL, and want to set your
own signal handlers.</para>
things like ctrl-C. This option is primarily useful for when
you are using the Haskell code as a DLL, and want to set your
own signal handlers.</para>
+
+ <para>Note that even
+ with <option>--install-signal-handlers=no</option>, the RTS
+ interval timer signal is still enabled. The timer signal
+ is either SIGVTALRM or SIGALRM, depending on the RTS
+ configuration and OS capabilities. To disable the timer
+ signal, use the <literal>-V0</literal> RTS option (see
+ above).
+ </para>
</listitem>
</varlistentry>
</listitem>
</varlistentry>