* fhandler.cc (fhandler_base::fork_fixup): Don't protect handle.

* dlfcn.cc: Fix to confirm to coding standards.  Reorganize includes throughout
to accomodate new cygheap.h usage.
* cygheap.h (cygheap_fdmanip): New class: simplifies locking and retrieval of
fds from cygheap->fdtab.
(cygheap_fdget): Ditto.
(cygheap_fdnew): Ditto.
* fcntl.cc (_fcntl): Use new method to lock fdtab and retrieve info.
* ioctl.cc (ioctl): Ditto.
* mmap.cc (mmap): Ditto.
* net.cc: Ditto, throughout.
* passwd.cc (getpass): Ditto.
* path.cc (fchdir): Ditto.
* pipe.cc (make_pipe): Ditto.
* sec_acl.cc (facl): Ditto.
* syscalls.cc: Ditto, throughout.
* termios.cc: Ditto, throughout.

1 files changed, 46 insertions, 86 deletions

diff --git a/winsup/cygwin/termios.cc b/winsup/cygwin/termios.cc
index 5488185..f5d775f 100644
--- a/winsup/cygwin/termios.cc
+++ b/winsup/cygwin/termios.cc
@@ -30,22 +30,14 @@ tcsendbreak (int fd, int duration)
 {
   int res = -1;
 
-  if (cygheap->fdtab.not_open (fd))
-    {
-      set_errno (EBADF);
-      goto out;
-    }
+  cygheap_fdget cfd (fd);
+  if (cfd < 0)
+    goto out;
 
-  fhandler_base *fh;
-  fh = cygheap->fdtab[fd];
-
-  if (!fh->is_tty ())
+  if (!cfd->is_tty ())
     set_errno (ENOTTY);
-  else
-    {
-      if ((res = fh->bg_check (-SIGTTOU)) > bg_eof)
-	res = fh->tcsendbreak (duration);
-    }
+  else if ((res = cfd->bg_check (-SIGTTOU)) > bg_eof)
+    res = cfd->tcsendbreak (duration);
 
 out:
   syscall_printf ("%d = tcsendbreak (%d, %d)", res, fd, duration);
@@ -60,22 +52,14 @@ tcdrain (int fd)
 
   termios_printf ("tcdrain");
 
-  if (cygheap->fdtab.not_open (fd))
-    {
-      set_errno (EBADF);
-      goto out;
-    }
-
-  fhandler_base *fh;
-  fh = cygheap->fdtab[fd];
+  cygheap_fdget cfd (fd);
+  if (cfd < 0)
+    goto out;
 
-  if (!fh->is_tty ())
+  if (!cfd->is_tty ())
     set_errno (ENOTTY);
-  else
-    {
-      if ((res = fh->bg_check (-SIGTTOU)) > bg_eof)
-	res = fh->tcdrain ();
-    }
+  else if ((res = cfd->bg_check (-SIGTTOU)) > bg_eof)
+    res = cfd->tcdrain ();
 
 out:
   syscall_printf ("%d = tcdrain (%d)", res, fd);
@@ -88,22 +72,14 @@ tcflush (int fd, int queue)
 {
   int res = -1;
 
-  if (cygheap->fdtab.not_open (fd))
-    {
-      set_errno (EBADF);
-      goto out;
-    }
-
-  fhandler_base *fh;
-  fh = cygheap->fdtab[fd];
+  cygheap_fdget cfd (fd);
+  if (cfd < 0)
+    goto out;
 
-  if (!fh->is_tty ())
+  if (!cfd->is_tty ())
     set_errno (ENOTTY);
-  else
-    {
-      if ((res = fh->bg_check (-SIGTTOU)) > bg_eof)
-	res = fh->tcflush (queue);
-    }
+  else if ((res = cfd->bg_check (-SIGTTOU)) > bg_eof)
+    res = cfd->tcflush (queue);
 
 out:
   termios_printf ("%d = tcflush (%d, %d)", res, fd, queue);
@@ -116,22 +92,14 @@ tcflow (int fd, int action)
 {
   int res = -1;
 
-  if (cygheap->fdtab.not_open (fd))
-    {
-      set_errno (EBADF);
-      goto out;
-    }
+  cygheap_fdget cfd (fd);
+  if (cfd < 0)
+    goto out;
 
-  fhandler_base *fh;
-  fh = cygheap->fdtab[fd];
-
-  if (!fh->is_tty ())
+  if (!cfd->is_tty ())
     set_errno (ENOTTY);
-  else
-    {
-      if ((res = fh->bg_check (-SIGTTOU)) > bg_eof)
-	res = fh->tcflow (action);
-    }
+  else if ((res = cfd->bg_check (-SIGTTOU)) > bg_eof)
+    res = cfd->tcflow (action);
 
 out:
   syscall_printf ("%d = tcflow (%d, %d)", res, fd, action);
@@ -144,24 +112,16 @@ tcsetattr (int fd, int a, const struct termios *t)
 {
   int res = -1;
 
-  if (cygheap->fdtab.not_open (fd))
-    {
-      set_errno (EBADF);
-      goto out;
-    }
+  cygheap_fdget cfd (fd);
+  if (cfd < 0)
+    goto out;
 
   t = __tonew_termios (t);
 
-  fhandler_base *fh;
-  fh = cygheap->fdtab[fd];
-
-  if (!fh->is_tty ())
+  if (!cfd->is_tty ())
     set_errno (ENOTTY);
-  else
-    {
-      if ((res = fh->bg_check (-SIGTTOU)) > bg_eof)
-	res = fh->tcsetattr (a, t);
-    }
+  else if ((res = cfd->bg_check (-SIGTTOU)) > bg_eof)
+    res = cfd->tcsetattr (a, t);
 
 out:
   termios_printf ("iflag %x, oflag %x, cflag %x, lflag %x, VMIN %d, VTIME %d",
@@ -178,15 +138,13 @@ tcgetattr (int fd, struct termios *in_t)
   int res = -1;
   struct termios *t = __makenew_termios (in_t);
 
-  if (cygheap->fdtab.not_open (fd))
-    set_errno (EBADF);
-  else if (!cygheap->fdtab[fd]->is_tty ())
+  cygheap_fdget cfd (fd);
+  if (cfd < 0)
+    /* saw an error */;
+  else if (!cfd->is_tty ())
     set_errno (ENOTTY);
-  else
-    {
-      if ((res = cygheap->fdtab[fd]->tcgetattr (t)) == 0)
-	(void) __toapp_termios (in_t, t);
-    }
+  else if ((res = cfd->tcgetattr (t)) == 0)
+    (void) __toapp_termios (in_t, t);
 
   if (res)
     termios_printf ("%d = tcgetattr (%d, %p)", res, fd, in_t);
@@ -204,12 +162,13 @@ tcgetpgrp (int fd)
 {
   int res = -1;
 
-  if (cygheap->fdtab.not_open (fd))
-    set_errno (EBADF);
-  else if (!cygheap->fdtab[fd]->is_tty ())
+  cygheap_fdget cfd (fd);
+  if (cfd < 0)
+    /* saw an error */;
+  else if (!cfd->is_tty ())
     set_errno (ENOTTY);
   else
-    res = cygheap->fdtab[fd]->tcgetpgrp ();
+    res = cfd->tcgetpgrp ();
 
   termios_printf ("%d = tcgetpgrp (%d)", res, fd);
   return res;
@@ -221,12 +180,13 @@ tcsetpgrp (int fd, pid_t pgid)
 {
   int res = -1;
 
-  if (cygheap->fdtab.not_open (fd))
-    set_errno (EBADF);
-  else if (!cygheap->fdtab[fd]->is_tty ())
+  cygheap_fdget cfd (fd);
+  if (cfd < 0)
+    /* saw an error */;
+  else if (!cfd->is_tty ())
     set_errno (ENOTTY);
   else
-    res = cygheap->fdtab[fd]->tcsetpgrp (pgid);
+    res = cfd->tcsetpgrp (pgid);
 
   termios_printf ("%d = tcsetpgrp (%d, %x)", res, fd, pgid);
   return res;