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| author | John Dyson <dyson@FreeBSD.org> | 1997-07-06 02:40:43 +0000 |
|---|---|---|
| committer | John Dyson <dyson@FreeBSD.org> | 1997-07-06 02:40:43 +0000 |
| commit | 2244ea07dc9813b20e9bfd82568ca66415da4f67 (patch) | |
| tree | 86dd51c7a51337effffd73d846ad747a75ad0195 /sys/kern/kern_fork.c | |
| parent | ee589d62ba3e49be9a660a0944562a85552bd375 (diff) | |
| download | src-2244ea07dc9813b20e9bfd82568ca66415da4f67.tar.gz src-2244ea07dc9813b20e9bfd82568ca66415da4f67.zip | |
This is an upgrade so that the kernel supports the AIO calls from
POSIX.4. Additionally, there is some initial code that supports LIO.
This code supports AIO/LIO for all types of file descriptors, with
few if any restrictions. There will be a followup very soon that
will support significantly more efficient operation for VCHR type
files (raw.) This code is also dependent on some kernel features
that don't work under SMP yet. After I commit the changes to the
kernel to support proper address space sharing on SMP, this code
will also work under SMP.
Notes
Notes:
svn path=/head/; revision=27221
Diffstat (limited to 'sys/kern/kern_fork.c')
| -rw-r--r-- | sys/kern/kern_fork.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index cb50acbd3820..9ba5a03a1a26 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)kern_fork.c 8.6 (Berkeley) 4/8/94 - * $Id: kern_fork.c,v 1.43 1997/06/16 00:29:30 dyson Exp $ + * $Id: kern_fork.c,v 1.44 1997/06/22 16:04:13 peter Exp $ */ #include "opt_ktrace.h" @@ -307,6 +307,8 @@ again: bcopy(&p1->p_startcopy, &p2->p_startcopy, (unsigned) ((caddr_t)&p2->p_endcopy - (caddr_t)&p2->p_startcopy)); + p2->p_aioinfo = NULL; + /* * Duplicate sub-structures as needed. * Increase reference counts on shared objects. |