Throughout, change fdtab references to cygheap->fdtab.

* child_info.h (cygheap_exec_info): Eliminate special fdtab stuff.
* spawn.cc (spawn_guts): Ditto.
* cygheap.cc (cygheap_init): Initialize fdtab, if appropriate.
* cygheap.h (CYGHEAPSIZE): Include size of init_cygheap.
(_cmalloc_entry): Include fdtab here.
* dtable.h (dtable): Declare/define new methods.
* dtable.cc (dtable::vfork_child_fixup): New method.
(dtable::fixup_after_exec): Remove unneeded extra arguments.
* dcrt0.cc (dll_crt0_1): Ditto.
* environ.cc (getwinenv): Use case sensitive comparison.
(winenv): Make a copy of environment cache to avoid realloc problems when
duplicate environment variables exist in the environment.  (From Egor Duda)
* net.cc (cygwin_socket): Revert Apr 14 change.
* include/sys/file.h: Protect against previous X_OK definition.
* passwd.cc: Eliminate passwd_sem throughout.
* security.cc: Ditto.
* cygwin.din: Export New functions.
* passwd.cc (read_etc_passwd): Make race safe.
(getpwuid_r): New function.
(getpwnam_r): New function.

1 files changed, 4 insertions, 3 deletions

diff --git a/winsup/cygwin/fcntl.cc b/winsup/cygwin/fcntl.cc
index 408cbc2cb..02e673692 100644
--- a/winsup/cygwin/fcntl.cc
+++ b/winsup/cygwin/fcntl.cc
@@ -15,6 +15,7 @@ details. */
 #include <unistd.h>
 #include "fhandler.h"
 #include "dtable.h"
+#include "cygheap.h"
 #include "cygerrno.h"
 #include "thread.h"
 
@@ -26,7 +27,7 @@ _fcntl (int fd, int cmd,...)
   va_list args;
   int res;
 
-  if (fdtab.not_open (fd))
+  if (cygheap->fdtab.not_open (fd))
     {
       set_errno (EBADF);
       res = -1;
@@ -37,9 +38,9 @@ _fcntl (int fd, int cmd,...)
   va_start (args, cmd);
   arg = va_arg (args, void *);
   if (cmd == F_DUPFD)
-    res = dup2 (fd, fdtab.find_unused_handle ((int) arg));
+    res = dup2 (fd, cygheap->fdtab.find_unused_handle ((int) arg));
   else
-    res = fdtab[fd]->fcntl(cmd, arg);
+    res = cygheap->fdtab[fd]->fcntl(cmd, arg);
   va_end (args);
   ReleaseResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK,"_fcntl");