5bf785a017
may not end up in the pool. (cygthread::new): Avoid race when checking for initialized. Add debugging code. * fhandler.cc (fhandler_base::raw_read): Add case for ERROR_INVALID_HANDLE due to Win95 directories. (fhandler_base::open): Handle errors due to Win95 directories. (fhandler_base::close): Add get_nohandle () test. (fhandler_base::set_close_on_exec): Ditto. (fhandler_base::fork_fixup): Ditto. (fhandler_base::lock): Change error code to Posix EINVAL. (fhandler_base::dup): If get_nohandle (), set new value to INVALID_HANDLE_VALUE instead of NULL. * fhandler_disk_file.cc (fhandler_disk_file::fstat): Call fstat_by_name if get_nohandle (). Remove extraneous element from strpbrk. (fhandler_disk_file::open): Remove test for Win95 directory. * fhandler_random.cc (fhandler_dev_random::open): Add set_nohandle (). * fhandler_clipboard.cc (fhandler_dev_clipboard::open): Ditto. * fhandler_zero.cc (fhandler_dev_zero::open): Ditto. (fhandler_dev_zero::close): Delete. * fhandler.h (class fhandler_dev_zero): Ditto.
56 lines
965 B
C++
56 lines
965 B
C++
/* fhandler_dev_zero.cc: code to access /dev/zero
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Copyright 2000, 2001, 2002 Red Hat, Inc.
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Written by DJ Delorie (dj@cygnus.com)
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include "winsup.h"
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#include <errno.h>
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#include "security.h"
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#include "fhandler.h"
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fhandler_dev_zero::fhandler_dev_zero ()
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: fhandler_base (FH_ZERO)
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{
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}
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int
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fhandler_dev_zero::open (path_conv *, int flags, mode_t)
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{
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set_flags ((flags & ~O_TEXT) | O_BINARY);
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set_nohandle (true);
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set_open_status ();
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return 1;
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}
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int
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fhandler_dev_zero::write (const void *, size_t len)
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{
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return len;
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}
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int __stdcall
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fhandler_dev_zero::read (void *ptr, size_t len)
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{
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memset(ptr, 0, len);
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return len;
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}
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__off64_t
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fhandler_dev_zero::lseek (__off64_t, int)
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{
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return 0;
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}
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void
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fhandler_dev_zero::dump ()
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{
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paranoid_printf("here, fhandler_dev_zero");
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}
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