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* fhandler.h (DEFAULT_PIPEBUFSIZE): Reset to 64K.

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Christopher Faylor
2011-03-18 14:25:33 +00:00
parent ccbc7fca21
commit 41045fb74d
2 changed files with 9 additions and 1 deletions
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4
winsup/cygwin/ChangeLog
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@@ -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> 2011-03-18 Corinna Vinschen <corinna@vinschen.de>
* mmap.cc (mmap_record::alloc_fh): Initialize nmae strings in fdev to * mmap.cc (mmap_record::alloc_fh): Initialize nmae strings in fdev to

6
winsup/cygwin/fhandler.h
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@@ -29,7 +29,11 @@ details. */
Using this blocksize in read/write calls in the application results Using this blocksize in read/write calls in the application results
in a much better performance than using smaller values. */ in a much better performance than using smaller values. */
#define PREFERRED_IO_BLKSIZE ((blksize_t) 65536) #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 const char *windows_device_names[];
extern struct __cygwin_perfile *perfile_table; extern struct __cygwin_perfile *perfile_table;