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Hopefully, improve the grammar and wording in the changes to shmctl(2)

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manpage and UPDATING entry 20090302.

UPDATING changes suggested by bf2006a yahoo com.
man page corrections by bde.
This commit is contained in:
kib 2009-03-05 12:04:42 +00:00
parent ed62a96e43
commit 9d2aa84a7a
2 changed files with 9 additions and 8 deletions
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8
UPDATING
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@ -23,11 +23,11 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 8.x IS SLOW:
ln -s aj /etc/malloc.conf.)
20090302:
The workaround is committed to allow to create System V shared
memory segment of size > 2 Gb on the 64-bit architectures.
Due to limitation of the existing ABI, the shm_segsz member
A workaround is committed to allow the creation of System V shared
memory segment of size > 2 GB on the 64-bit architectures.
Due to a limitation of the existing ABI, the shm_segsz member
of the struct shmid_ds, returned by shmctl(IPC_STAT) call is
wrong for large segments. Note that limits shall be explicitely
wrong for large segments. Note that limits must be explicitely
raised to allow such segments to be created.
20090301:

9
lib/libc/sys/shmctl.2
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@ -134,12 +134,13 @@ Permission denied due to mismatch between operation and mode of
shared memory segment.
.El
.Sh "BUGS"
The segment size has size_t type.
The shm_segsz member of the
.Vt shmid_ds
structure has int type, that is too short to represent full range
of the values for segment size, which is allowed to be size_t.
If shared memory limits are raised to allow segments with size > 2 Gb
to be created, be aware that IPC_STAT call may return truncated value
structure has type int, which is too short to represent the full range
of values for a segment size.
If shared memory limits are raised to allow segments with size > 2 GB
to be created, be aware that IPC_STAT call may return a truncated value
for shm_segsz.
.El
.Sh "SEE ALSO"