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Cygwin: pipes: minor code cleanup 

Clarify a comment in raw_read, and remove a useless line from
raw_write.
This commit is contained in:
Ken Brown 2021-09-03 09:42:00 -04:00 committed by Corinna Vinschen
parent 82643bd18e
commit 44693e80b1
1 changed files with 2 additions and 3 deletions
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5
winsup/cygwin/fhandler_pipe.cc
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@ -248,8 +248,8 @@ fhandler_pipe::raw_read (void *ptr, size_t& len)
WaitForSingleObject (read_mtx, INFINITE); WaitForSingleObject (read_mtx, INFINITE);
/* Make sure never to request more bytes than half the pipe /* If the pipe is empty, don't request more bytes than half the
buffer size. Every pending read lowers WriteQuotaAvailable pipe buffer size. Every pending read lowers WriteQuotaAvailable
on the write side and thus affects select's ability to return on the write side and thus affects select's ability to return
more or less reliable info whether a write succeeds or not. more or less reliable info whether a write succeeds or not.
@ -425,7 +425,6 @@ fhandler_pipe::raw_write (const void *ptr, size_t len)
set_errno (EBADF); set_errno (EBADF);
else else
__seterrno (); __seterrno ();
len = (size_t) -1;
} }
else if (NT_SUCCESS (status)) else if (NT_SUCCESS (status))
{ {