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9b71c63a8b
freebsd-skq/sys/compat/linux
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Konstantin Belousov c5c1199c83 Extend the KPI to lock and unlock f_offset member of struct file. It 
now fully encapsulates all accesses to f_offset, and extends f_offset
locking to other consumers that need it, in particular, to lseek() and
variants of getdirentries().

Ensure that on 32bit architectures f_offset, which is 64bit quantity,
always read and written under the mtxpool protection. This fixes
apparently easy to trigger race when parallel lseek()s or lseek() and
read/write could destroy file offset.

The already broken ABI emulations, including iBCS and SysV, are not
converted (yet).

Tested by:	pho
No objections from:	jhb
MFC after:    3 weeks
2012-07-02 21:01:03 +00:00
..
check_error.d - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
check_internal_locks.d - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_dtrace.h - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_emul.c - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_emul.h - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_file.c Extend the KPI to lock and unlock f_offset member of struct file. It 2012-07-02 21:01:03 +00:00
linux_file.h Make the Linux *at() calls a bit more complete. 2011-11-19 07:19:37 +00:00
linux_fork.c - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_futex.c - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_futex.h Yet another unimplemented futex operation, print out about. 2011-01-31 06:06:23 +00:00
linux_getcwd.c The NetBSD Foundation has granted permission to remove clause 3 and 4 from 2010-03-01 17:20:04 +00:00
linux_ioctl.c Convert files to UTF-8 2012-01-15 13:23:18 +00:00
linux_ioctl.h This is v4l2 support for the linuxulator. This allows to access FreeBSD 2011-05-04 09:05:39 +00:00
linux_ipc.c Convert files to UTF-8 2012-01-15 13:23:18 +00:00
linux_ipc.h
linux_mib.c - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_mib.h Staticize functions which are not used somewhere else, move the 2011-03-15 13:40:47 +00:00
linux_misc.c - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_misc.h linux compat: improve and fix sendmsg/recvmsg compatibility 2011-03-26 11:05:53 +00:00
linux_signal.c Convert files to UTF-8 2012-01-15 13:23:18 +00:00
linux_signal.h Put the macro declaration in the relevant include file for future use. 2011-02-15 21:22:09 +00:00
linux_socket.c Convert files to UTF-8 2012-01-15 13:23:18 +00:00
linux_socket.h linux compat: improve and fix sendmsg/recvmsg compatibility 2011-03-26 11:05:53 +00:00
linux_stats.c Remove direct access to si_name. 2012-02-10 12:35:57 +00:00
linux_sysctl.c - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_sysproto.h
linux_time.c - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_uid16.c - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_util.c - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_util.h - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
linux_videodev2_compat.h Commit the missing linux_videdev2_compat.h (lost somewhere between 2011-05-04 13:09:20 +00:00
linux_videodev2.h Add explanation about the use-permission and FreeBSDify it. 2011-05-04 08:41:55 +00:00
linux_videodev_compat.h This is v4l support for the linuxulator. This allows to access FreeBSD 2009-12-04 21:06:54 +00:00
linux_videodev.h Fix typo in comment, improve comment. 2011-05-04 08:42:31 +00:00
stats_timing.d - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00
trace_futexes.d - >500 static DTrace probes for the linuxulator 2012-05-05 19:42:38 +00:00