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Date: | Mon, 17 Sep 2007 16:23:41 +0200 |
From: | Corinna Vinschen <corinna-cygwin AT cygwin DOT com> |
To: | cygwin AT cygwin DOT com |
Subject: | Re: [ipc] semtimedop undeclared |
Message-ID: | <20070917142341.GD22259@calimero.vinschen.de> |
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On Aug 28 14:47, Dave Korn wrote: > On 28 August 2007 14:28, Mehdi Rabah wrote: > > > Hi, > > > > I'm trying to compile a linux project with cygwin. There is a file > > which use IPC and include all the necessary files > > > > #include <sys/types.h> > > #include <sys/ipc.h> > > #include <sys/shm.h> > > #include <sys/sem.h> > > #include <sys/time.h> > > > > > > but still, I have this error at compile time: > > > > error: `semtimedop' undeclared (first use this function) > > > > what can I do about this ? > > Cygwin doesn't currently implement semtimedop, so your choices are 1) patch the > cygwin source and implement it in the dll 2) change your linux project to not use > it 3) implement it in your linux project as a wrapper around semop, possibly > using a SIGALARM or other timer to trigger the timeout... I'd opt for solution 2. semtimedop is a Linux-only function. It's not in the POSIX standard, nor will it become part of the next upcoming POSIX standard. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
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