From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/5807 Path: news.gmane.org!not-for-mail From: Jens Gustedt Newsgroups: gmane.linux.lib.musl.general Subject: Re: bug in pthread_cond_broadcast Date: Tue, 12 Aug 2014 20:18:59 +0200 Message-ID: <1407867539.15134.148.camel@eris.loria.fr> References: <1407801532.15134.96.camel@eris.loria.fr> <20140812165033.GM22308@port70.net> <20140812171941.GA12888@brightrain.aerifal.cx> Reply-To: musl@lists.openwall.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-sAHdwnNaUDFnsmH1D8k6" X-Trace: ger.gmane.org 1407867557 22677 80.91.229.3 (12 Aug 2014 18:19:17 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 12 Aug 2014 18:19:17 +0000 (UTC) To: musl@lists.openwall.com Original-X-From: musl-return-5813-gllmg-musl=m.gmane.org@lists.openwall.com Tue Aug 12 20:19:12 2014 Return-path: 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Cj15cu23XZI4/826Px/xqB37z547sPH374oOvnKTsOb+1zuCoImZARM8ZiLlKkXcWOcoFRJ+Do/CwFO4e2DEe+9Ti+ZXA8ny/cU+X4bMKRZxZIVEiqXI6/+NKuUzPHb7z40ovnX3zx+Ctuq38HyuqWG7Tu+A0AAAAASUVORK5CYII= X-Mailer: Evolution 3.4.4-3 Xref: news.gmane.org gmane.linux.lib.musl.general:5807 Archived-At: --=-sAHdwnNaUDFnsmH1D8k6 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable Am Dienstag, den 12.08.2014, 13:19 -0400 schrieb Rich Felker: > Once broadcast returns (as observed by the thread which called > broadcast, or any thread that synchronizes with this thread after > broadcast returns), there are no waiters and it's valid to use a new > mutex with the cond var (or destroy it if it won't be used again). all the clients can only wakeup on holding their mutex, which in turn is only released by the main thread after it returns from the broadcast operation. so yes, the broadcast operation is synchronized with all other threads, that's the idea of this test Jens --=20 :: INRIA Nancy Grand Est ::: AlGorille ::: ICube/ICPS ::: :: ::::::::::::::: office Strasbourg : +33 368854536 :: :: :::::::::::::::::::::: gsm France : +33 651400183 :: :: ::::::::::::::: gsm international : +49 15737185122 :: :: http://icube-icps.unistra.fr/index.php/Jens_Gustedt :: --=-sAHdwnNaUDFnsmH1D8k6 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEABECAAYFAlPqWpMACgkQD9PoadrVN+LQnACfVFrVnDGYJK3f73jMzd5CyD33 +2gAnjQTH2hz3pM36wtHDz0M80xPfh0T =q5aU -----END PGP SIGNATURE----- --=-sAHdwnNaUDFnsmH1D8k6--