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* fhandler_fifo.cc (fhandler_fifo::open): Avoid resetting errno after it has

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been explicitly set.
* include/cygwin/version.h: Bump DLL minor version number to 2.
This commit is contained in:
Christopher Faylor
2009-12-09 16:52:43 +00:00
parent ad0ae5d83a
commit d0f9de23a1
4 changed files with 17 additions and 5 deletions
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11
winsup/cygwin/fhandler_fifo.cc
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@@ -1,6 +1,6 @@
/* fhandler_fifo.cc - See fhandler.h for a description of the fhandler classes.
Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008 Red Hat, Inc.
Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Red Hat, Inc.
This file is part of Cygwin.
@@ -95,6 +95,7 @@ fhandler_fifo::open (int flags, mode_t)
char char_sa_buf[1024];
LPSECURITY_ATTRIBUTES sa_buf =
sec_user ((PSECURITY_ATTRIBUTES) char_sa_buf, cygheap->user.sid());
bool do_seterrno = true;
HANDLE h;
bool nonblocking_write = !!((flags & (O_WRONLY | O_NONBLOCK)) == (O_WRONLY | O_NONBLOCK));
@@ -110,7 +111,10 @@ fhandler_fifo::open (int flags, mode_t)
if (h != INVALID_HANDLE_VALUE)
wait_state = fifo_ok;
else if (nonblocking_write)
set_errno (ENXIO);
{
set_errno (ENXIO);
do_seterrno = false;
}
else if ((h = cnp (PIPE_ACCESS_DUPLEX, 1)) != INVALID_HANDLE_VALUE)
{
if ((dummy_client = open_nonserver (npname, low_flags, sa_buf))
@@ -130,7 +134,8 @@ fhandler_fifo::open (int flags, mode_t)
}
if (h == INVALID_HANDLE_VALUE)
{
__seterrno ();
if (do_seterrno)
__seterrno ();
res = 0;
}
else if (!setup_overlapped ())