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From: Michael Kerrisk
Subject: Re: (Fwd) SIGQUEUE_MAX
Date: Thu, 12 Jul 2001 10:34:05 +0200

> "Michael Kerrisk" <address@hidden> writes:
> > No headers define SIGQUEUE_MAX, and sysconf(_SC_SIGQUEUE_MAX) returns -1
> > on Linux 2.2.14, glibc 2.1.3.  I've reviewed the 2.2.3pre3 glibc and
> > 2.4.3 kernel sources and unless I missed something, nothing has changed. 
> > I assume this is a known issue, the question is, is it a glibc issue or a
> > Linux issue?
> There is no problem.  Read the standard if you don't know yet what it
> means if no macro is defined and sysconf returns -1.

I think I know what the standards mean.  That isn't the issue.  

Perhaps I can rephrase things more succinctly: The point is, that there is 
a known limit on Linux (1024 RT signals can be queued) - so: can (why 
can't) glibc sysconf() report that limit?


Michael Kerrisk
mailto: address@hidden

Diane Keaton: "Sex without love is an empty experience."
Woody Allen:  "Yes, but as empty experiences go, 
                it's one of the best."

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