Fixed compiler warnings and a compilation failure on windows

extra/libevent/event.c:
  Tried to fix compiler warning on windows
extra/libevent/evutil.h:
  Define __attribute__ for not gcc compilers
extra/libevent/kqueue.c:
  Fixed compiler warnings
extra/libevent/signal.c:
  Tried to fix compiler warning on windows
storage/pbxt/src/ha_pbxt.cc:
  Fixed compiler warning about "variable might be clobbered by longjmp"
storage/pbxt/src/table_xt.cc:
  Fixed compiler warnings (on windows)
storage/xtradb/handler/i_s.cc:
  Fixed compiler warning by invoking the correct store function.

extra/libevent/event.c

@@ -405,7 +405,7 @@ event_loopexit_cb(int fd __attribute__((unused)),
 int
 event_loopexit(struct timeval *tv)
 {
-	return (event_once(-1, EV_TIMEOUT, event_loopexit_cb,
+	return (event_once(-1, EV_TIMEOUT, &event_loopexit_cb,
 		    current_base, tv));
 }
 

extra/libevent/evutil.h

@@ -171,4 +171,21 @@ ev_int64_t evutil_strtoll(const char *s, char **endptr, int base);
 }
 #endif
 
+/* Define __attribute__ for platforms that doesn't suppor it */
+
+#ifndef __attribute__
+# if !defined(__GNUC__)
+#  define __attribute__(A)
+# else
+#  ifndef GCC_VERSION
+#   define GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
+#  endif
+#  if GCC_VERSION < 2008
+#   define __attribute__(A)
+#  elif defined(__cplusplus) && GCC_VERSION < 3004
+#   define __attribute__(A)
+#  endif
+# endif
+#endif
+
 #endif /* _EVUTIL_H_ */

extra/libevent/kqueue.c

@@ -95,7 +95,7 @@ const struct eventop kqops = {
 };
 
 static void *
-kq_init(struct event_base *base)
+kq_init(struct event_base *base __attribute__((unused)))
 {
 	int kq;
 	struct kqop *kqueueop;
@@ -203,13 +203,14 @@ kq_insert(struct kqop *kqop, struct kevent *kev)
 }
 
 static void
-kq_sighandler(int sig)
+kq_sighandler(int sig __attribute__((unused)))
 {
 	/* Do nothing here */
 }
 
 static int
-kq_dispatch(struct event_base *base, void *arg, struct timeval *tv)
+kq_dispatch(struct event_base *base __attribute__((unused)), void *arg,
+            struct timeval *tv)
 {
 	struct kqop *kqop = arg;
 	struct kevent *changes = kqop->changes;
@@ -408,7 +409,7 @@ kq_del(void *arg, struct event *ev)
 }
 
 static void
-kq_dealloc(struct event_base *base, void *arg)
+kq_dealloc(struct event_base *base __attribute__((unused)), void *arg)
 {
 	struct kqop *kqop = arg;
 

extra/libevent/signal.c

@@ -114,7 +114,7 @@ evsignal_init(struct event_base *base)
         evutil_make_socket_nonblocking(base->sig.ev_signal_pair[0]);
 
 	event_set(&base->sig.ev_signal, base->sig.ev_signal_pair[1],
-		EV_READ | EV_PERSIST, evsignal_cb, &base->sig.ev_signal);
+		EV_READ | EV_PERSIST, &evsignal_cb, &base->sig.ev_signal);
 	base->sig.ev_signal.ev_base = base;
 	base->sig.ev_signal.ev_flags |= EVLIST_INTERNAL;
 }

storage/pbxt/src/ha_pbxt.cc

@@ -1615,7 +1615,7 @@ static int pbxt_prepare(handlerton *hton, THD *thd, bool all)
 static XTThreadPtr ha_temp_open_global_database(handlerton *hton, THD **ret_thd, int *temp_thread, const char *thread_name, int *err)
 {
 	THD			*thd;
-	XTThreadPtr	self = NULL;
+	XTThreadPtr	volatile self = NULL;
 
 	*temp_thread = 0;
 	if ((thd = current_thd))

storage/pbxt/src/table_xt.cc

@@ -1822,8 +1822,8 @@ xtPublic void xt_tab_check_free_lists(XTThreadPtr self, XTOpenTablePtr ot, bool
 		}
 		if (free_count != tab->tab_rec_fnum) {
 			if (correct_count) {
-				tab->tab_rec_fnum = free_count;
-				tab->tab_head_rec_fnum = free_count;
+                          tab->tab_rec_fnum = (uint) free_count;
+                          tab->tab_head_rec_fnum = (uint) free_count;
 				tab->tab_flush_pending = TRUE;
 				xt_logf(XT_NT_INFO, "Table %s: free record count (%llu) has been set to the number of records on the list: %llu\n", table_name, (u_llong) tab->tab_rec_fnum, (u_llong) free_count);
 			}
@@ -1875,8 +1875,8 @@ xtPublic void xt_tab_check_free_lists(XTThreadPtr self, XTOpenTablePtr ot, bool
 			 * The correct way to do this at run time would be to add the change to the
 			 * transaction log, so that it is applied by the writer.
 			 */
-			tab->tab_row_fnum = free_count;
-			tab->tab_head_row_fnum = free_count;
+                  tab->tab_row_fnum = (uint) free_count;
+                  tab->tab_head_row_fnum = (uint) free_count;
 			tab->tab_flush_pending = TRUE;
 			xt_logf(XT_NT_INFO, "Table %s: free row count (%llu) has been set to the number of rows on the list: %llu\n", table_name, (u_llong) tab->tab_row_fnum, (u_llong) free_count);
 		}

storage/xtradb/handler/i_s.cc

@@ -763,7 +763,7 @@ i_s_innodb_buffer_pool_pages_index_fill(
   
       if (fil_page_get_type(frame) == FIL_PAGE_INDEX) {
         index_id = btr_page_get_index_id(frame);
-        table->field[0]->store(ut_conv_dulint_to_longlong(index_id));
+        table->field[0]->store(ut_conv_dulint_to_longlong(index_id), 0);
         table->field[1]->store(block->page.space);
         table->field[2]->store(block->page.offset);
         table->field[3]->store(page_get_n_recs(frame));