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* Makefile.in (DLL_OFILES): Add fhandler_dev.o.

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* devices.h (DEV_DEV_MAJOR): Define.
	(FH_DEV): Redefine in terms of DEV_DEV_MAJOR.
	(ext_dev_storage): Declare.
	(dev_storage_size): Declare.
	(dev_dev_storage): Declare.
	(dev_dev): Define.
	(isdev_dev): Define.
	* devices.in (dev_dev_storage): Activate.
	(ext_dev_storage): Define as externally available pointer to
	dev_storage.
	(dev_storage_size): Define to contain number of dev_storage elements.
	* dir.cc (rmdir): Handle /dev as always not empty.
	* dtable.cc (fh_alloc): Handle DEV_DEV_MAJOR.
	* fhandler.h (fhandler_dev): New class, derived from fhandler_disk_file.
	(fhandler_union): Add fhandler_dev member.
	* fhandler_disk_file.cc (class __DIR_mounts): Handle /dev directory
	to make sure it always exists.
	* fhandler_dev.cc: New file implementing /dev.
	* globals.cc (ro_u_dev): New R/O unicode string.
	* path.cc (path_conv::check): Handle FH_DEV device.
This commit is contained in:
Corinna Vinschen
2012-03-29 18:02:54 +00:00
parent d46ed263af
commit 9ca7bca3c3
12 changed files with 325 additions and 37 deletions
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29
winsup/cygwin/fhandler.h
View File

@ -1016,6 +1016,34 @@ class fhandler_disk_file: public fhandler_base
}
};
class fhandler_dev: public fhandler_disk_file
{
int lastrealpos;
bool dir_exists;
public:
fhandler_dev ();
DIR *opendir (int fd) __attribute__ ((regparm (2)));
int readdir (DIR *, dirent *) __attribute__ ((regparm (3)));
void rewinddir (DIR *);
fhandler_dev (void *) {}
void copyto (fhandler_base *x)
{
x->pc.free_strings ();
*reinterpret_cast<fhandler_dev *> (x) = *this;
x->reset (this);
}
fhandler_dev *clone (cygheap_types malloc_type = HEAP_FHANDLER)
{
void *ptr = (void *) ccalloc (malloc_type, 1, sizeof (fhandler_dev));
fhandler_dev *fh = new (ptr) fhandler_dev (ptr);
copyto (fh);
return fh;
}
};
class fhandler_cygdrive: public fhandler_disk_file
{
enum
@ -2093,6 +2121,7 @@ typedef union
{
char __base[sizeof (fhandler_base)];
char __console[sizeof (fhandler_console)];
char __dev[sizeof (fhandler_dev)];
char __cygdrive[sizeof (fhandler_cygdrive)];
char __dev_clipboard[sizeof (fhandler_dev_clipboard)];
char __dev_dsp[sizeof (fhandler_dev_dsp)];