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CVS log for src/sys/kern/uipc_socket.c

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Default branch: MAIN
Current tag: netbsd-5


Revision 1.177.4.4 / (download) - annotate - [select for diffs], Mon Aug 8 19:45:57 2011 UTC (3 years, 2 months ago) by riz
Branch: netbsd-5
CVS Tags: netbsd-5-2-RELEASE, netbsd-5-2-RC1, netbsd-5-2-2-RELEASE, netbsd-5-2-1-RELEASE, netbsd-5-2
Changes since 1.177.4.3: +48 -68 lines
Diff to previous 1.177.4.3 (colored) to branchpoint 1.177 (colored) next main 1.178 (colored)

Pull up following revision(s) (requested by bouyer in ticket #1644):
	sys/sys/socketvar.h: revision 1.126
	sys/kern/init_main.c: revision 1.433
	sys/kern/uipc_socket.c: revision 1.205
Fix kern/45093 as discussed on tech-kern@:
http://mail-index.netbsd.org/tech-kern/2011/06/17/msg010734.html
The cause of the problem is that the so_pendfree is processed with
the softnet_lock held at one point, and processing the list
calls sodoloanfree() which may kpause(). As the thread sleeps with
softnet_lock held, it ultimately cause a deadlock (see the PR or tech-kern
thread for details).
Although it should be possible to call sodopendfree() after releasing
the socket lock, it's not so easy to know where he socket lock is held and
where it's not, so we may hit the issue again later.
Add a kernel thread to handle the so_pendfree list, and wake up this
thread when adding mbufs to this list. Get rid of the various sodopendfree()
calls, hopefully fixing definitively the problem.

Revision 1.177.4.3 / (download) - annotate - [select for diffs], Sun May 3 13:18:55 2009 UTC (5 years, 6 months ago) by bouyer
Branch: netbsd-5
CVS Tags: netbsd-5-1-RELEASE, netbsd-5-1-RC4, netbsd-5-1-RC3, netbsd-5-1-RC2, netbsd-5-1-RC1, matt-nb5-pq3-base, matt-nb5-pq3
Branch point for: netbsd-5-1
Changes since 1.177.4.2: +3 -3 lines
Diff to previous 1.177.4.2 (colored) to branchpoint 1.177 (colored)

Pull up following revision(s) (requested by ad in ticket #731):
	sys/kern/uipc_socket.c: revision 1.189
PR kern/41311: Mutex error: mutex_vector_enter: locking against myself

Revision 1.177.4.2 / (download) - annotate - [select for diffs], Sat Apr 4 23:36:27 2009 UTC (5 years, 6 months ago) by snj
Branch: netbsd-5
CVS Tags: netbsd-5-0-RELEASE, netbsd-5-0-RC4
Branch point for: netbsd-5-0
Changes since 1.177.4.1: +18 -4 lines
Diff to previous 1.177.4.1 (colored) to branchpoint 1.177 (colored)

Pull up following revision(s) (requested by ad in ticket #661):
	sys/arch/xen/xen/xenevt.c: revision 1.32
	sys/compat/svr4/svr4_net.c: revision 1.56
	sys/compat/svr4_32/svr4_32_net.c: revision 1.19
	sys/dev/dmover/dmover_io.c: revision 1.32
	sys/dev/putter/putter.c: revision 1.21
	sys/kern/kern_descrip.c: revision 1.190
	sys/kern/kern_drvctl.c: revision 1.23
	sys/kern/kern_event.c: revision 1.64
	sys/kern/sys_mqueue.c: revision 1.14
	sys/kern/sys_pipe.c: revision 1.109
	sys/kern/sys_socket.c: revision 1.59
	sys/kern/uipc_syscalls.c: revision 1.136
	sys/kern/vfs_vnops.c: revision 1.164
	sys/kern/uipc_socket.c: revision 1.188
	sys/net/bpf.c: revision 1.144
	sys/net/if_tap.c: revision 1.55
	sys/opencrypto/cryptodev.c: revision 1.47
	sys/sys/file.h: revision 1.67
	sys/sys/param.h: patch
	sys/sys/socketvar.h: revision 1.119
Add fileops::fo_drain(), to be called from fd_close() when there is more
than one active reference to a file descriptor. It should dislodge threads
sleeping while holding a reference to the descriptor. Implemented only for
sockets but should be extended to pipes, fifos, etc.
Fixes the case of a multithreaded process doing something like the
following, which would have hung until the process got a signal.
thr0	accept(fd, ...)
thr1	close(fd)

Revision 1.177.4.1 / (download) - annotate - [select for diffs], Mon Feb 2 21:04:45 2009 UTC (5 years, 8 months ago) by snj
Branch: netbsd-5
CVS Tags: netbsd-5-0-RC3, netbsd-5-0-RC2
Changes since 1.177: +3 -3 lines
Diff to previous 1.177 (colored)

Pull up following revision(s) (requested by yamt in ticket #393):
	sys/kern/uipc_socket.c: revision 1.185
	sys/kern/uipc_socket2.c: revision 1.101
	sys/kern/uipc_syscalls.c: revision 1.135
	sys/miscfs/portal/portal_vnops.c: revision 1.81
	sys/netsmb/smb_trantcp.c: revision 1.40
	sys/nfs/nfs_socket.c: revision 1.177
	sys/sys/socketvar.h: revision 1.118
restore the pre socket locking patch signal behaviour.
this fixes a busy-loop in nfs_connect.

Revision 1.177 / (download) - annotate - [select for diffs], Tue Oct 14 13:45:26 2008 UTC (6 years ago) by ad
Branch: MAIN
CVS Tags: netbsd-5-base, netbsd-5-0-RC1, matt-mips64-base2, haad-dm-base1, ad-audiomp2-base, ad-audiomp2
Branch point for: nick-hppapmap, netbsd-5
Changes since 1.176: +46 -34 lines
Diff to previous 1.176 (colored)

Accept filters:

- Remove remaining #ifdef INET.
- Avoid holding locks so we don't need to do KM_NOSLEEP allocations.
- Use a rwlock to protect the accept filter list.
- Make it safe to unload accept filter modules.
- Minor KNF.

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