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Date:      Wed, 21 Jun 2000 15:02:01 +0300 (EET DST)
From:      jau@iki.fi (Jukka A. Ukkonen)
To:        questions@freebsd.org
Subject:   problems with linux_rt_sigprocmask
Message-ID:  <200006211202.PAA59430@mjolnir.thunderbolt.fi>

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	Hi, all!

	Does anyone have any idea why FreeBSD-3.2 did not trap Linux
	binaries which made a system call to linux_rt_sigprocmask()
	and why does FreeBSD-3.4 raise SIGSYS for the same call
	instead of letting it go unnoticed as before?

	One good example of a program with which I have seen this odd
	trap occurring is with Adobe FrameMaker for Linux. There are
	other programs of course, but this was the first one to come
	to my mind as an example. These are the three last lines of
	information produced by ktrace and linux_kdump.

	 59199 maker5X.exe CALL  linux_rt_sigprocmask
	 59199 maker5X.exe PSIG  SIGSYS SIG_DFL
	 59199 maker5X.exe NAMI  "maker5X.exe.core"

	Any hints about known problems with Linux sigprocmask and
	potential workarounds would be most welcome.


	Cheers,
		// jau
.---  ..-  -.-  -.-  .-    .-  .-.-.-    ..-  -.-  -.-  ---  -.  .  -.
  /    Jukka A. Ukkonen,                          SysOpen Plc, Finland
 /__   M.Sc. (sw-eng & cs)                   (Phone) +358-424-2020-331
   /   Internet: Jukka.Ukkonen@SysOpen.Fi      (Fax) +358-424-2020-700
  /    Internet: ukkonen@nic.funet.fi       (Mobile) +358-400-606-671
 v     Internet: jau@iki.fi               (Home&Fax) +358-9-6215-280


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