Date: Mon, 8 May 2006 23:30:37 -0400 (EDT) From: Daniel Eischen <deischen@freebsd.org> To: John Birrell <jb@what-creek.com> Cc: current@freebsd.org Subject: DTRACE mods to libpthread (Was Re: Shared library version bump?) Message-ID: <Pine.GSO.4.64.0605082324280.13935@sea.ntplx.net> In-Reply-To: <20060509010531.GA81623@what-creek.com> References: <Pine.GSO.4.64.0605081648270.11616@sea.ntplx.net> <445FB11C.1000309@samsco.org> <Pine.GSO.4.64.0605081700490.11616@sea.ntplx.net> <20060508.174813.89129442.imp@bsdimp.com> <Pine.GSO.4.64.0605081954550.11616@sea.ntplx.net> <20060509000928.GA81282@what-creek.com> <Pine.GSO.4.64.0605082032430.11616@sea.ntplx.net> <20060509010531.GA81623@what-creek.com>
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On Tue, 9 May 2006, John Birrell wrote: > On Mon, May 08, 2006 at 08:37:18PM -0400, Daniel Eischen wrote: >> Are you sure you're not talking about mutex(9F) on Solaris ;-) > > I don't have an installed version of Solaris. It hates all my > machines. Even the Dells. Heh. So I don't get to look at man pages. > Just the source. > >> I can see mutex_held in Solaris 10 /lib/libthread.so.1, but I >> don't see any rwlock_held or rwlock_owned. > > It'll be one of their internal interfaces. Yeah, there wasn't anything I could see that was visible in libpthread for rwlocks. > I did this: > > <http://perforce.freebsd.org/fileDiffView.cgi?FSPC=//depot/projects/dtrace/src/include/pthread%5fnp.h,//depot/projects/dtrace/src/lib/libpthread/pthread.map,//depot/projects/dtrace/src/lib/libpthread/thread/thr%5fmutex.c,//depot/projects/dtrace/src/lib/libpthread/thread/thr%5frwlock.c&REV=2%202%202%202&ACT=edit%20edit%20edit%20edit&CH=95271>; > > And then #defined their names/macros to ours. > > I hope that link works. That looks OK, but please use _pthread_foo() and use a weak reference to it with pthread_foo(). This convention is modeled after Solaris' symbol naming scheme ;-). -- DE
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