diff options
| author | Christopher Faylor <me@cgf.cx> | 2011-03-18 17:25:33 +0300 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2011-03-18 17:25:33 +0300 |
| commit | 41045fb74d9413be655838aef5a6089bc6a229d5 (patch) | |
| tree | 7e23c5bd7a0993468267484cb5dabd39581b3481 | |
| parent | ccbc7fca21d59b18858259767c92389e78f1ad90 (diff) | |
* fhandler.h (DEFAULT_PIPEBUFSIZE): Reset to 64K.
| -rw-r--r-- | winsup/cygwin/ChangeLog | 4 | ||||
| -rw-r--r-- | winsup/cygwin/fhandler.h | 6 |
2 files changed, 9 insertions, 1 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 0bc042f24..d0dffbcd4 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,7 @@ +2011-03-18 Christopher Faylor <me.cygwin2011@cgf.cx> + + * fhandler.h (DEFAULT_PIPEBUFSIZE): Reset to 64K. + 2011-03-18 Corinna Vinschen <corinna@vinschen.de> * mmap.cc (mmap_record::alloc_fh): Initialize nmae strings in fdev to diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h index ffe8ee15e..f223a1151 100644 --- a/winsup/cygwin/fhandler.h +++ b/winsup/cygwin/fhandler.h @@ -29,7 +29,11 @@ details. */ Using this blocksize in read/write calls in the application results in a much better performance than using smaller values. */ #define PREFERRED_IO_BLKSIZE ((blksize_t) 65536) -#define DEFAULT_PIPEBUFSIZE (31 * 1024 * 1024) + +/* It also appears that this may be the only acceptable block size for + atomic writes to a pipe. It is a shame that we have to make this + so small. http://cygwin.com/ml/cygwin/2011-03/msg00541.html */ +#define DEFAULT_PIPEBUFSIZE PREFERRED_IO_BLKSIZE extern const char *windows_device_names[]; extern struct __cygwin_perfile *perfile_table; |