* cygheap.h (class cygheap_fdenum): New class to enumerate used

	fhandlers.
	* dtable.h (class dtable): Add cygheap_fdenum as friend class.
	* fhandler.h (fhandler_base::get_proc_fd_name): New virtual method
	to return a name for /proc/<pid>/fd.
	(fhandler_socket::get_proc_fd_name): Ditto.
	(fhandler_pipe::get_proc_fd_name): Ditto.
	(fhandler_virtual::opendir): Make virtual method.
	(fhandler_process::opendir): New method.
	* fhandler.cc (fhandler_base::get_proc_fd_name): New method.
	* fhandler_process.cc: Include ctype.h.
	(PROCESS_FD): Define.
	(process_listing): Add "fd".
	(fhandler_process::exists): Fix comment.  Return 1 in case of "fd"
	directory. Handle files below "fd".
	(fhandler_process::fstat): Drop "self" handling.  Set correct link
	count for directories.
	(fhandler_process::opendir): New method to handle "fd" directory.
	(fhandler_process::readdir): Add "fd" handling.
	(fhandler_process::open): Drop "self" handling.
	(fhandler_process::fill_filebuf): Ditto.  Add "fd" handling.  Fix
	"maps" output string.
	* fhandler_registry.cc (fhandler_registry::fstat): Set correct link
	count for directories.
	* fhandler_socket.cc (fhandler_socket::get_proc_fd_name): New method.
	* path.cc (symlink_info::set): Fix thinko.
	* pinfo.cc (_pinfo::commune_recv): Rename pathbuf to path throughout.
	Drop local path variable in PICOM_FIFO case.  Fix debug output.
	Close handles as early as possible. Add PICOM_FDS and PICOM_FD
	handling.
	(_pinfo::commune_send): Add PICOM_FDS and PICOM_FD handling.
	(_pinfo::fd): New method.
	(_pinfo::fds): New method.
	* pinfo.h (enum picom): Add PICOM_FDS and PICOM_FD.
	(_pinfo::fd): Declare.
	(_pinfo::fds): Declare.
	* pipe.cc (fhandler_pipe::get_proc_fd_name): New method.

1 files changed, 5 insertions, 1 deletions

diff --git a/winsup/cygwin/pinfo.h b/winsup/cygwin/pinfo.h
index 88442ca22..705a1a599 100644
--- a/winsup/cygwin/pinfo.h
+++ b/winsup/cygwin/pinfo.h
@@ -25,7 +25,9 @@ enum picom
   PICOM_CMDLINE = 1,
   PICOM_FIFO = 2,
   PICOM_CWD = 3,
-  PICOM_ROOT = 4
+  PICOM_ROOT = 4,
+  PICOM_FDS = 5,
+  PICOM_FD = 6
 };
 
 #define EXITCODE_SET 0x80000000
@@ -108,6 +110,8 @@ public:
   void commune_recv ();
   commune_result commune_send (DWORD, ...);
   bool alive ();
+  char *fd (int fd, size_t &);
+  char *fds (size_t &);
   char *root (size_t &);
   char *cwd (size_t &);
   char *cmdline (size_t &);