LDP
/
man-pages
mirror of https://github.com/mkerrisk/man-pages
0
1
Fork 0
Code Releases Activity

pipe.7: Add reference that the pipe capacity can be changed. 

In fcntl(2) F_SETPIPE_SZ, F_GETPIPE_SZ and /proc/sys/fs/pipe-max-size are
defined, however pipe(7) still defines the pipe capacity as being a static
entity. Adding a reference to fcntl(2).

Signed-off-by: Elie De Brauwer <eliedebrauwer@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Elie De Brauwer 2014-07-06 15:44:11 +02:00 committed by Michael Kerrisk
parent 4fe82a332b
commit 91d4de6683
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
man7/pipe.7
View File

@ -133,6 +133,16 @@ so that a writing process does not remain blocked.
In Linux versions before 2.6.11, the capacity of a pipe was the same as
the system page size (e.g., 4096 bytes on i386).
Since Linux 2.6.11, the pipe capacity is 65536 bytes.
Since Linux 2.6.35, the pipe capacity can be queried and set using the
.BR fcntl (2)
.BR F_GETPIPE_SZ
and
.BR F_SETPIPE_SZ
operations.
See
.BR fcntl (2)
for more information.
.SS PIPE_BUF
POSIX.1-2001 says that
.BR write (2)s