Date: Thu, 29 Oct 2009 14:34:24 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r198590 - head/sys/kern Message-ID: <200910291434.n9TEYOVJ099388@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: kib Date: Thu Oct 29 14:34:24 2009 New Revision: 198590 URL: http://svn.freebsd.org/changeset/base/198590 Log: Trapsignal() calls kern_sigprocmask() when delivering catched signal with proc lock held. Reported and tested by: Mykola Dzham freebsd at levsha org ua MFC after: 1 month Modified: head/sys/kern/kern_sig.c Modified: head/sys/kern/kern_sig.c ============================================================================== --- head/sys/kern/kern_sig.c Thu Oct 29 14:34:02 2009 (r198589) +++ head/sys/kern/kern_sig.c Thu Oct 29 14:34:24 2009 (r198590) @@ -1863,7 +1863,8 @@ trapsignal(struct thread *td, ksiginfo_t if (!SIGISMEMBER(ps->ps_signodefer, sig)) { SIGEMPTYSET(mask); SIGADDSET(mask, sig); - kern_sigprocmask(td, SIG_BLOCK, &mask, NULL, 0); + kern_sigprocmask(td, SIG_BLOCK, &mask, NULL, + SIGPROCMASK_PROC_LOCKED); } if (SIGISMEMBER(ps->ps_sigreset, sig)) { /*
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200910291434.n9TEYOVJ099388>