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, 3 insertions, 2 deletions

diff --git a/winsup/cygwin/poll.cc b/winsup/cygwin/poll.cc
index f3c9ef6d7..4a216ad63 100644
--- a/winsup/cygwin/poll.cc
+++ b/winsup/cygwin/poll.cc
@@ -14,6 +14,7 @@
 #include <errno.h>
 #include "fhandler.h"
 #include "dtable.h"
+#include "cygheap.h"
 #include "cygerrno.h"
 #include "sigproc.h"
 
@@ -49,7 +50,7 @@ poll (struct pollfd *fds, unsigned int nfds, int timeout)
   memset (except_fds, 0, fds_size);
 
   for (unsigned int i = 0; i < nfds; ++i)
-    if (!fdtab.not_open (fds[i].fd))
+    if (!cygheap->fdtab.not_open (fds[i].fd))
       {
 	FD_SET (fds[i].fd, open_fds);
 	if (fds[i].events & POLLIN)
@@ -67,7 +68,7 @@ poll (struct pollfd *fds, unsigned int nfds, int timeout)
     {
       if (!FD_ISSET (fds[i].fd, open_fds))
 	fds[i].revents = POLLNVAL;
-      else if (fdtab.not_open(fds[i].fd))
+      else if (cygheap->fdtab.not_open(fds[i].fd))
 	fds[i].revents = POLLHUP;
       else if (ret < 0)
 	fds[i].revents = POLLERR;