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| author | Elie De Brauwer <eliedebrauwer@gmail.com> | 2014-07-06 15:44:11 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2014-07-07 09:07:31 +0200 |
| commit | 91d4de6683afa2f1d92e41beef794ef712b9e763 (patch) | |
| tree | 6acf331d8635fe0708a21766c53a337f8613d08a | |
| parent | 4fe82a332b0e486c6862a568c393ed0a91e562d8 (diff) | |
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>
| -rw-r--r-- | man7/pipe.7 | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/man7/pipe.7 b/man7/pipe.7 index 78d1ceab2..64a6761d5 100644 --- a/man7/pipe.7 +++ b/man7/pipe.7 @@ -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 |