1 files changed, 0 insertions, 302 deletions
diff --git a/tevent/tevent_select.c b/tevent/tevent_select.c
deleted file mode 100644
index 35c6f7859..000000000
--- a/tevent/tevent_select.c
+++ /dev/null
@@ -1,302 +0,0 @@
-/* 
-   Unix SMB/CIFS implementation.
-   main select loop and event handling
-   Copyright (C) Andrew Tridgell	2003-2005
-   Copyright (C) Stefan Metzmacher	2005
-   
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-   
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/*
-  This is SAMBA's default event loop code
-
-*/
-
-#include "replace.h"
-#include "system/filesys.h"
-#include "system/select.h"
-#include "tevent.h"
-#include "tevent_util.h"
-#include "tevent_internal.h"
-
-struct select_event_context {
-	/* a pointer back to the generic event_context */
-	struct event_context *ev;
-
-	/* list of filedescriptor events */
-	struct fd_event *fd_events;
-
-	/* list of timed events */
-	struct timed_event *timed_events;
-
-	/* the maximum file descriptor number in fd_events */
-	int maxfd;
-
-	/* information for exiting from the event loop */
-	int exit_code;
-
-	/* this is incremented when the loop over events causes something which
-	   could change the events yet to be processed */
-	uint32_t destruction_count;
-};
-
-/*
-  create a select_event_context structure.
-*/
-static int select_event_context_init(struct event_context *ev)
-{
-	struct select_event_context *select_ev;
-
-	select_ev = talloc_zero(ev, struct select_event_context);
-	if (!select_ev) return -1;
-	select_ev->ev = ev;
-
-	ev->additional_data = select_ev;
-	return 0;
-}
-
-/*
-  recalculate the maxfd
-*/
-static void calc_maxfd(struct select_event_context *select_ev)
-{
-	struct fd_event *fde;
-
-	select_ev->maxfd = 0;
-	for (fde = select_ev->fd_events; fde; fde = fde->next) {
-		if (fde->fd > select_ev->maxfd) {
-			select_ev->maxfd = fde->fd;
-		}
-	}
-}
-
-
-/* to mark the ev->maxfd invalid
- * this means we need to recalculate it
- */
-#define EVENT_INVALID_MAXFD (-1)
-
-/*
-  destroy an fd_event
-*/
-static int select_event_fd_destructor(struct fd_event *fde)
-{
-	struct event_context *ev = fde->event_ctx;
-	struct select_event_context *select_ev = talloc_get_type(ev->additional_data,
-							   struct select_event_context);
-
-	if (select_ev->maxfd == fde->fd) {
-		select_ev->maxfd = EVENT_INVALID_MAXFD;
-	}
-
-	DLIST_REMOVE(select_ev->fd_events, fde);
-	select_ev->destruction_count++;
-
-	if (fde->flags & EVENT_FD_AUTOCLOSE) {
-		close(fde->fd);
-		fde->fd = -1;
-	}
-
-	return 0;
-}
-
-/*
-  add a fd based event
-  return NULL on failure (memory allocation error)
-*/
-static struct fd_event *select_event_add_fd(struct event_context *ev, TALLOC_CTX *mem_ctx,
-					 int fd, uint16_t flags,
-					 event_fd_handler_t handler,
-					 void *private_data)
-{
-	struct select_event_context *select_ev = talloc_get_type(ev->additional_data,
-							   struct select_event_context);
-	struct fd_event *fde;
-
-	fde = talloc(mem_ctx?mem_ctx:ev, struct fd_event);
-	if (!fde) return NULL;
-
-	fde->event_ctx		= ev;
-	fde->fd			= fd;
-	fde->flags		= flags;
-	fde->handler		= handler;
-	fde->private_data	= private_data;
-	fde->additional_flags	= 0;
-	fde->additional_data	= NULL;
-
-	DLIST_ADD(select_ev->fd_events, fde);
-	if (fde->fd > select_ev->maxfd) {
-		select_ev->maxfd = fde->fd;
-	}
-	talloc_set_destructor(fde, select_event_fd_destructor);
-
-	return fde;
-}
-
-
-/*
-  return the fd event flags
-*/
-static uint16_t select_event_get_fd_flags(struct fd_event *fde)
-{
-	return fde->flags;
-}
-
-/*
-  set the fd event flags
-*/
-static void select_event_set_fd_flags(struct fd_event *fde, uint16_t flags)
-{
-	struct event_context *ev;
-	struct select_event_context *select_ev;
-
-	if (fde->flags == flags) return;
-
-	ev = fde->event_ctx;
-	select_ev = talloc_get_type(ev->additional_data, struct select_event_context);
-
-	fde->flags = flags;
-}
-
-/*
-  event loop handling using select()
-*/
-static int select_event_loop_select(struct select_event_context *select_ev, struct timeval *tvalp)
-{
-	fd_set r_fds, w_fds;
-	struct fd_event *fde;
-	int selrtn;
-	uint32_t destruction_count = ++select_ev->destruction_count;
-
-	/* we maybe need to recalculate the maxfd */
-	if (select_ev->maxfd == EVENT_INVALID_MAXFD) {
-		calc_maxfd(select_ev);
-	}
-
-	FD_ZERO(&r_fds);
-	FD_ZERO(&w_fds);
-
-	/* setup any fd events */
-	for (fde = select_ev->fd_events; fde; fde = fde->next) {
-		if (fde->flags & EVENT_FD_READ) {
-			FD_SET(fde->fd, &r_fds);
-		}
-		if (fde->flags & EVENT_FD_WRITE) {
-			FD_SET(fde->fd, &w_fds);
-		}
-	}
-
-	if (select_ev->ev->num_signal_handlers && 
-	    common_event_check_signal(select_ev->ev)) {
-		return 0;
-	}
-
-	selrtn = select(select_ev->maxfd+1, &r_fds, &w_fds, NULL, tvalp);
-
-	if (selrtn == -1 && errno == EINTR && 
-	    select_ev->ev->num_signal_handlers) {
-		common_event_check_signal(select_ev->ev);
-		return 0;
-	}
-
-	if (selrtn == -1 && errno == EBADF) {
-		/* the socket is dead! this should never
-		   happen as the socket should have first been
-		   made readable and that should have removed
-		   the event, so this must be a bug. This is a
-		   fatal error. */
-		ev_debug(select_ev->ev, EV_DEBUG_FATAL,
-			 "ERROR: EBADF on select_event_loop_once\n");
-		select_ev->exit_code = EBADF;
-		return -1;
-	}
-
-	if (selrtn == 0 && tvalp) {
-		/* we don't care about a possible delay here */
-		common_event_loop_timer_delay(select_ev->ev);
-		return 0;
-	}
-
-	if (selrtn > 0) {
-		/* at least one file descriptor is ready - check
-		   which ones and call the handler, being careful to allow
-		   the handler to remove itself when called */
-		for (fde = select_ev->fd_events; fde; fde = fde->next) {
-			uint16_t flags = 0;
-
-			if (FD_ISSET(fde->fd, &r_fds)) flags |= EVENT_FD_READ;
-			if (FD_ISSET(fde->fd, &w_fds)) flags |= EVENT_FD_WRITE;
-			if (flags) {
-				fde->handler(select_ev->ev, fde, flags, fde->private_data);
-				if (destruction_count != select_ev->destruction_count) {
-					break;
-				}
-			}
-		}
-	}
-
-	return 0;
-}		
-
-/*
-  do a single event loop using the events defined in ev 
-*/
-static int select_event_loop_once(struct event_context *ev)
-{
-	struct select_event_context *select_ev = talloc_get_type(ev->additional_data,
-		 					   struct select_event_context);
-	struct timeval tval;
-
-	tval = common_event_loop_timer_delay(ev);
-	if (ev_timeval_is_zero(&tval)) {
-		return 0;
-	}
-
-	return select_event_loop_select(select_ev, &tval);
-}
-
-/*
-  return on failure or (with 0) if all fd events are removed
-*/
-static int select_event_loop_wait(struct event_context *ev)
-{
-	struct select_event_context *select_ev = talloc_get_type(ev->additional_data,
-							   struct select_event_context);
-	select_ev->exit_code = 0;
-
-	while (select_ev->fd_events && select_ev->exit_code == 0) {
-		if (select_event_loop_once(ev) != 0) {
-			break;
-		}
-	}
-
-	return select_ev->exit_code;
-}
-
-static const struct event_ops select_event_ops = {
-	.context_init	= select_event_context_init,
-	.add_fd		= select_event_add_fd,
-	.get_fd_flags	= select_event_get_fd_flags,
-	.set_fd_flags	= select_event_set_fd_flags,
-	.add_timed	= common_event_add_timed,
-	.add_signal	= common_event_add_signal,
-	.loop_once	= select_event_loop_once,
-	.loop_wait	= select_event_loop_wait,
-};
-
-bool events_select_init(void)
-{
-	return event_register_backend("select", &select_event_ops);
-}
-