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| author | Corinna Vinschen <corinna@vinschen.de> | 2004-09-09 08:58:44 +0000 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2004-09-09 08:58:44 +0000 |
| commit | 6423296840ac7d7dc80bfc8a48b5b02ee23ff277 (patch) | |
| tree | a8292cd3768ae2ccf4f6bfe6a730ae9c8abfd5e7 /winsup/cygwin/pipe.cc | |
| parent | bbb5869af96939fd7696df5e7d7232ad2d249179 (diff) | |
| download | newlib-6423296840ac7d7dc80bfc8a48b5b02ee23ff277.zip newlib-6423296840ac7d7dc80bfc8a48b5b02ee23ff277.tar.gz newlib-6423296840ac7d7dc80bfc8a48b5b02ee23ff277.tar.bz2 | |
* pipe.cc (create_selectable_pipe): Work around bug in Windows 95
where CreateNamedPipe returns NULL.
Diffstat (limited to 'winsup/cygwin/pipe.cc')
| -rw-r--r-- | winsup/cygwin/pipe.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/winsup/cygwin/pipe.cc b/winsup/cygwin/pipe.cc index 2a0095f..aff3dd1 100644 --- a/winsup/cygwin/pipe.cc +++ b/winsup/cygwin/pipe.cc @@ -259,6 +259,7 @@ create_selectable_pipe (PHANDLE read_pipe_ptr, the pipe was not created earlier by some other process, even if the pid has been reused. We avoid FILE_FLAG_FIRST_PIPE_INSTANCE because that is only available for Win2k SP2 and WinXP. */ + SetLastError (0); read_pipe = CreateNamedPipe (pipename, PIPE_ACCESS_INBOUND, PIPE_TYPE_BYTE | PIPE_READMODE_BYTE, @@ -268,13 +269,14 @@ create_selectable_pipe (PHANDLE read_pipe_ptr, NMPWAIT_USE_DEFAULT_WAIT, sa_ptr); - if (read_pipe != INVALID_HANDLE_VALUE) + DWORD err = GetLastError (); + /* Win 95 seems to return NULL instead of INVALID_HANDLE_VALUE */ + if ((read_pipe || !err) && read_pipe != INVALID_HANDLE_VALUE) { debug_printf ("pipe read handle %p", read_pipe); break; } - DWORD err = GetLastError (); switch (err) { case ERROR_PIPE_BUSY: |