From fdf0b5de282128ded84921263ceb35d634a9dbbd Mon Sep 17 00:00:00 2001
From: Christopher Faylor <me@cgf.cx>
Date: Sun, 30 Jun 2002 23:02:58 +0000
Subject: * fhandler.h (fhandler_process::pid): New field.
 (fhandler_process::fstat): Remove unneeded array.  Set pid element.
 (fhandler_process::open): Ditto. (fhandler_process::fill_filebuf): Handle
 case where 'p' field is NULL.

---
 winsup/cygwin/ChangeLog           |  7 +++++++
 winsup/cygwin/fhandler.h          |  4 ++--
 winsup/cygwin/fhandler_process.cc | 22 +++++++++++++++++-----
 3 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index cb7448b4c..f9204135a 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,10 @@
+2002-06-30  Christopher Faylor  <cgf@redhat.com>
+
+	* fhandler.h (fhandler_process::pid): New field.
+	(fhandler_process::fstat): Remove unneeded array.  Set pid element.
+	(fhandler_process::open): Ditto.
+	(fhandler_process::fill_filebuf): Handle case where 'p' field is NULL.
+
 2002-06-30  Christopher Faylor  <cgf@redhat.com>
 
 	* fhandler.h (fhandler_process::p): New field.
diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index d04966a36..ebb07a8df 100644
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -1107,7 +1107,6 @@ class fhandler_proc: public fhandler_virtual
   void fill_filebuf ();
 };
 
-class pinfo;
 class fhandler_registry: public fhandler_proc
 {
  public:
@@ -1125,9 +1124,10 @@ class fhandler_registry: public fhandler_proc
   void fill_filebuf ();
 };
 
-struct _pinfo;
+class pinfo;
 class fhandler_process: public fhandler_proc
 {
+  pid_t pid;
   pinfo *p;
  public:
   fhandler_process ();
diff --git a/winsup/cygwin/fhandler_process.cc b/winsup/cygwin/fhandler_process.cc
index f2b896314..a0ba4af90 100644
--- a/winsup/cygwin/fhandler_process.cc
+++ b/winsup/cygwin/fhandler_process.cc
@@ -100,12 +100,11 @@ fhandler_process::fstat (struct __stat64 *buf, path_conv *pc)
   int file_type = exists ();
   (void) fhandler_base::fstat (buf, pc);
   path += proc_len + 1;
-  int pid = atoi (path);
-  winpids pids;
+  pid = atoi (path);
   pinfo p (pid);
   if (!p)
     {
-      set_errno(ENOENT);
+      set_errno (ENOENT);
       return -1;
     }
 
@@ -154,8 +153,7 @@ fhandler_process::readdir (DIR * dir)
 int
 fhandler_process::open (path_conv *pc, int flags, mode_t mode)
 {
-  int process_file_no = -1, pid;
-  winpids pids;
+  int process_file_no = -1;
 
   int res = fhandler_virtual::open (pc, flags, mode);
   if (!res)
@@ -249,6 +247,17 @@ out:
 void
 fhandler_process::fill_filebuf ()
 {
+  pinfo pmaybe;
+
+  if (!p)
+    {
+      pmaybe.init (pid);
+      p = &pmaybe;
+    }
+
+  if (!p)
+    return;
+
   switch (fileid)
     {
     case PROCESS_UID:
@@ -349,6 +358,9 @@ fhandler_process::fill_filebuf ()
 	break;
       }
     }
+
+  if (p == &pmaybe)
+    p = NULL;
 }
 
 static
-- 
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