Use new and delete for windows_thread_info

This adds a constructor, destructor, and member initializers to
windows_thread_info, and changes gdb and gdbserver to use new and
delete.

gdb/ChangeLog
2020-04-08  Tom Tromey  <tromey@adacore.com>

	* windows-nat.c (windows_add_thread): Use new.
	(windows_init_thread_list, windows_delete_thread): Use delete.
	(get_windows_debug_event): Update.
	* nat/windows-nat.h (struct windows_thread_info): Add constructor,
	destructor, and initializers.

gdbserver/ChangeLog
2020-04-08  Tom Tromey  <tromey@adacore.com>

	* win32-low.c (child_add_thread): Use new.
	(delete_thread_info): Use delete.

1 files changed, 2 insertions, 5 deletions

diff --git a/gdbserver/win32-low.cc b/gdbserver/win32-low.cc
index 55e8322..1284ed1 100644
--- a/gdbserver/win32-low.cc
+++ b/gdbserver/win32-low.cc
@@ -212,10 +212,7 @@ child_add_thread (DWORD pid, DWORD tid, HANDLE h, void *tlb)
   if ((th = thread_rec (ptid, FALSE)))
     return th;
 
-  th = XCNEW (windows_thread_info);
-  th->tid = tid;
-  th->h = h;
-  th->thread_local_base = (CORE_ADDR) (uintptr_t) tlb;
+  th = new windows_thread_info (tid, h, (CORE_ADDR) (uintptr_t) tlb);
 
   add_thread (ptid, th);
 
@@ -233,7 +230,7 @@ delete_thread_info (thread_info *thread)
 
   remove_thread (thread);
   CloseHandle (th->h);
-  free (th);
+  delete th;
 }
 
 /* Delete a thread from the list of threads.  */