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, 6 insertions, 6 deletions

diff --git a/winsup/cygwin/fork.cc b/winsup/cygwin/fork.cc
index de85c1d96..646dbee58 100644
--- a/winsup/cygwin/fork.cc
+++ b/winsup/cygwin/fork.cc
@@ -274,7 +274,7 @@ fork_child (HANDLE& hParent, dll *&first_dll, bool& load_dlls)
   MALLOC_CHECK;
 
   pinfo_fixup_after_fork ();
-  fdtab.fixup_after_fork (hParent);
+  cygheap->fdtab.fixup_after_fork (hParent);
   signal_fixup_after_fork ();
 
   MALLOC_CHECK;
@@ -377,7 +377,7 @@ fork_parent (void *stack_here, HANDLE& hParent, dll *&first_dll,
      parent after CreateProcess and before copying the datastructures
      to the child. So we have to start the child in suspend state,
      unfortunately, to avoid a race condition. */
-  if (fdtab.need_fixup_before ())
+  if (cygheap->fdtab.need_fixup_before ())
     c_flags |= CREATE_SUSPENDED;
 
   /* Create an inheritable handle to pass to the child process.  This will
@@ -490,9 +490,9 @@ out:
 
   /* Fixup the parent datastructure if needed and resume the child's
      main thread. */
-  if (fdtab.need_fixup_before ())
+  if (cygheap->fdtab.need_fixup_before ())
     {
-      fdtab.fixup_before_fork (pi.dwProcessId);
+      cygheap->fdtab.fixup_before_fork (pi.dwProcessId);
       ResumeThread (pi.hThread);
     }
 
@@ -708,10 +708,10 @@ vfork ()
       for (pp = (char **)vf->frame, esp = vf->vfork_esp;
 	   esp <= vf->vfork_ebp + 1; pp++, esp++)
 	*pp = *esp;
-      return fdtab.vfork_child_dup () ? 0 : -1;
+      return cygheap->fdtab.vfork_child_dup () ? 0 : -1;
     }
 
-  fdtab.vfork_parent_restore ();
+  cygheap->fdtab.vfork_parent_restore ();
 
   vf = get_vfork_val ();
   if (vf->pid < 0)