RE: Signal handling issues with libcurl ?
Date: Wed, 5 Nov 2008 11:55:52 -0800
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From: curl-library-bounces_at_cool.haxx.se [mailto:curl-library-bounces_at_cool.haxx.se] On Behalf Of Dan Fandrich
Sent: Wednesday, November 05, 2008 11:49 AM
Subject: Re: Signal handling issues with libcurl ?
On Wed, Nov 05, 2008 at 06:34:07AM -0800, Hassan Shaik wrote:
> - Before invoking native code (which internally calls libcurl API),
> this signal handler works fine and JVM does not crash when SIGPIPE
> signal is raised.
> - But, once the native code is called, the Java signal handler is not
> working and not catching SIGPIPE any more. JVM just crashes. Looks
> like, it is set to SIG_DFL.
> Is libcurl modifies the signal handling behavior and does not restore
> back to the original signal handling behavior of the application?
libcurl does modify the SIGPIPE handler at the start of a transfer, but restores it back to the old handler once the transfer is complete.
> I read through about CURLOPT_NOSIGNAL option. Does setting this flag
> 1 help anyway?
If you set this flag then libcurl won't change any signal handler. But that has other side effects that may or may not affect your program.
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