Date: Sun, 03 Jul 2005 01:06:31 -0000 From: Gleb Smirnoff <glebius@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/kern uipc_socket.c Message-ID: <200502192056.j1JKu8qR062201@repoman.freebsd.org>
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glebius 2005-02-19 20:56:08 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_5)
sys/kern uipc_socket.c
Log:
Apply a workaround for problem fixed in sys/socketvar.h rev. 1.137. We
can't MFC socketvar.h since it will break ABI between kernel and several
modules. This workaround saves sb_state in local variable and restores
it after bzero().
Original commit log of socketvar.h and problem description:
Move sb_state to the beginning of structure, above sb_startzero member.
sb_state shouldn't be erased, when socket buffer is flushed by sorflush().
When sb_state was bzero'ed, a recently set SBS_CANTRCVMORE flag was cleared.
If a socket was shutdown(SHUT_RD), a subsequent read() would block on it.
Reported by: Ed Maste, Gerrit Nagelhout
Reviewed by: rwatson
Revision Changes Path
1.208.2.11 +8 -0 src/sys/kern/uipc_socket.c
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