standards/66608: sigprocmask() does not work with pthread

Georg Graf georg at
Thu May 13 05:50:28 PDT 2004

>Number:         66608
>Category:       standards
>Synopsis:       sigprocmask() does not work with pthread
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-standards
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu May 13 05:50:26 PDT 2004
>Originator:     Georg Graf
>Release:        FreeBSD 4.8-RELEASE-p13 i386
System: FreeBSD 4.8-RELEASE-p13 FreeBSD
4.8-RELEASE-p13 #0: Mon Oct 13 21:12:43 CEST 2003
root at i386

sigprocmask() fails to block signals in threaded applications

I have setup a page <> where
you can try signal.c and signal_t.c (use the supplied Makefile!)


Fix requires some hacking and discussion, I assume. I would like
to participate in the discussion, if possible! - Thanks!



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