+++ /dev/null
-/*
- Unix SMB/CIFS implementation.
-
- Main select loop and event handling - Solaris port implementation.
- Losely based on the Linux epoll backend.
-
- Copyright (C) Jeremy Allison 2013
-
- ** NOTE! The following LGPL license applies to the tevent
- ** library. This does NOT imply that all of Samba is released
- ** under the LGPL
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 3 of the License, or (at your option) any later version.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "replace.h"
-#include "system/filesys.h"
-#include "system/select.h"
-#include "tevent.h"
-#include "tevent_internal.h"
-#include "tevent_util.h"
-
-struct port_associate_vals {
- struct port_associate_vals *prev, *next;
- struct port_event_context *port_ev;
- int events;
- struct tevent_fd *fde;
- bool associated_event;
-};
-
-struct port_event_context {
- /* a pointer back to the generic event_context */
- struct tevent_context *ev;
-
- /* This is the handle from port_create */
- int port_fd;
-
- pid_t pid;
-
- /* List of associations. */
- struct port_associate_vals *po_vals;
-};
-
-#define PORT_ADDITIONAL_FD_FLAG_HAS_ASSOCIATION (1<<0)
-#define PORT_ADDITIONAL_FD_FLAG_REPORT_ERROR (1<<1)
-#define PORT_ADDITIONAL_FD_FLAG_GOT_ERROR (1<<2)
-#define PORT_ADDITIONAL_FD_FLAG_HAS_MPX (1<<3)
-
-/*
- Map from TEVENT_FD_* to POLLIN/POLLOUT
-*/
-static int port_map_flags(uint16_t flags)
-{
- int ret = 0;
- if (flags & TEVENT_FD_READ) ret |= (POLLIN | POLLERR | POLLHUP);
- if (flags & TEVENT_FD_WRITE) ret |= (POLLOUT | POLLERR | POLLHUP);
- return ret;
-}
-
-/*
- Free the port fd
-*/
-static int port_ctx_destructor(struct port_event_context *port_ev)
-{
- close(port_ev->port_fd);
- port_ev->port_fd = -1;
- return 0;
-}
-
-/*
- Init the port fd
-*/
-static int port_init_ctx(struct port_event_context *port_ev)
-{
- port_ev->port_fd = port_create();
- if (port_ev->port_fd == -1) {
- tevent_debug(port_ev->ev, TEVENT_DEBUG_FATAL,
- "Failed to create port handle.\n");
- return -1;
- }
-
- if (!ev_set_close_on_exec(port_ev->port_fd)) {
- tevent_debug(port_ev->ev, TEVENT_DEBUG_WARNING,
- "Failed to set close-on-exec, file descriptor may be leaked to children.\n");
- }
-
- port_ev->pid = tevent_cached_getpid();
- talloc_set_destructor(port_ev, port_ctx_destructor);
-
- return 0;
-}
-
-/*
- Functions to manage the lower level cache of associated events on the port_fd.
-*/
-
-static int port_associate_vals_destructor(struct port_associate_vals *val)
-{
- DLIST_REMOVE(val->port_ev->po_vals, val);
- memset(val, '\0', sizeof(struct port_associate_vals));
- return 0;
-}
-
-/*
- * TODO: As the port_association is per-fde, it should be possible to store it
- * directly in fde->additional_data, alongside any multiplexed-fde. That way the
- * lookup on store and delete would be avoided, and associate_all_events() could
- * walk the ev->fd_events list.
- */
-static bool store_port_association(struct port_event_context *port_ev,
- struct tevent_fd *fde,
- int events)
-{
- struct port_associate_vals *val;
-
- for (val = port_ev->po_vals; val; val = val->next) {
- if (val->fde->fd == fde->fd) {
- /* Association already attached to fd. */
- if (val->events != events) {
- val->events = events;
- val->associated_event = false;
- }
- return true;
- }
- }
-
- val = talloc_zero(port_ev, struct port_associate_vals);
- if (val == NULL) {
- return false;
- }
-
- val->port_ev = port_ev;
- val->fde = fde;
- val->events = events;
- val->associated_event = false;
-
- DLIST_ADD(port_ev->po_vals, val);
- talloc_set_destructor(val, port_associate_vals_destructor);
-
- return true;
-}
-
-static void delete_port_association(struct port_event_context *port_ev,
- struct tevent_fd *fde)
-{
- struct port_associate_vals *val;
-
- for (val = port_ev->po_vals; val; val = val->next) {
- if (val->fde == fde) {
- if (val->associated_event) {
- (void)port_dissociate(port_ev->port_fd,
- PORT_SOURCE_FD,
- fde->fd);
- }
- talloc_free(val);
- return;
- }
- }
-}
-
-static int associate_all_events(struct port_event_context *port_ev)
-{
- struct port_associate_vals *val;
-
- for (val = port_ev->po_vals; val; val = val->next) {
- int ret;
- if (val->associated_event) {
- continue;
- }
- ret = port_associate(port_ev->port_fd,
- PORT_SOURCE_FD,
- (uintptr_t)val->fde->fd,
- val->events,
- (void *)val);
- if (ret != 0) {
- return -1;
- }
- val->associated_event = true;
- }
- return 0;
-}
-
-static int port_update_event(struct port_event_context *port_ev, struct tevent_fd *fde);
-
-/*
- Reopen the port handle when our pid changes.
- */
-static int port_check_reopen(struct port_event_context *port_ev)
-{
- struct tevent_fd *fde;
- pid_t pid = tevent_cached_getpid();
-
- if (port_ev->pid == pid) {
- return 0;
- }
-
- close(port_ev->port_fd);
- port_ev->port_fd = port_create();
- if (port_ev->port_fd == -1) {
- tevent_debug(port_ev->ev, TEVENT_DEBUG_FATAL,
- "port_create() failed");
- return -1;
- }
-
- if (!ev_set_close_on_exec(port_ev->port_fd)) {
- tevent_debug(port_ev->ev, TEVENT_DEBUG_WARNING,
- "Failed to set close-on-exec, file descriptor may be leaked to children.\n");
- }
-
- port_ev->pid = pid;
- for (fde=port_ev->ev->fd_events;fde;fde=fde->next) {
- fde->additional_flags &= ~PORT_ADDITIONAL_FD_FLAG_HAS_ASSOCIATION;
- if (port_update_event(port_ev, fde) != 0) {
- return -1;
- }
- }
- return 0;
-}
-
-/*
- * Solaris ports cannot add the same file descriptor twice, once
- * with read, once with write which is allowed by the tevent backend.
- * Multiplex the existing fde, flag it as such so we can search for the
- * correct fde on event triggering.
- */
-
-static void port_setup_multiplex_fd(struct port_event_context *port_ev,
- struct tevent_fd *add_fde,
- struct tevent_fd *mpx_fde)
-{
- /*
- * Make each fde->additional_data pointers point at each other
- * so we can look them up from each other. They are now paired.
- */
- mpx_fde->additional_data = add_fde;
- add_fde->additional_data = mpx_fde;
-
- /* Now flag both fde's as being multiplexed. */
- mpx_fde->additional_flags |= PORT_ADDITIONAL_FD_FLAG_HAS_MPX;
- add_fde->additional_flags |= PORT_ADDITIONAL_FD_FLAG_HAS_MPX;
-
- /* We need to keep the GOT_ERROR flag. */
- if (mpx_fde->additional_flags & PORT_ADDITIONAL_FD_FLAG_GOT_ERROR) {
- add_fde->additional_flags |= PORT_ADDITIONAL_FD_FLAG_GOT_ERROR;
- }
-}
-
-/*
- Add the port event to the given fd_event,
- Or modify an existing event.
-*/
-
-static int port_add_event(struct port_event_context *port_ev, struct tevent_fd *fde)
-{
- int flags = port_map_flags(fde->flags);
- struct tevent_fd *mpx_fde = NULL;
-
- fde->additional_flags &= ~PORT_ADDITIONAL_FD_FLAG_HAS_ASSOCIATION;
- fde->additional_flags &= ~PORT_ADDITIONAL_FD_FLAG_REPORT_ERROR;
-
- if (fde->additional_flags & PORT_ADDITIONAL_FD_FLAG_HAS_MPX) {
- /*
- * This is already a multiplexed fde, we need to include both
- * flags in the modified event.
- */
- mpx_fde = talloc_get_type_abort(fde->additional_data,
- struct tevent_fd);
-
- mpx_fde->additional_flags &= ~PORT_ADDITIONAL_FD_FLAG_HAS_ASSOCIATION;
- mpx_fde->additional_flags &= ~PORT_ADDITIONAL_FD_FLAG_REPORT_ERROR;
-
- flags |= port_map_flags(mpx_fde->flags);
- } else {
- /*
- * Not (yet) a multiplexed event. See if there
- * is already an event with the same fd.
- */
- for (mpx_fde = port_ev->ev->fd_events; mpx_fde; mpx_fde = mpx_fde->next) {
- if (mpx_fde->fd != fde->fd) {
- continue;
- }
- if (mpx_fde == fde) {
- continue;
- }
- /* Same fd. */
- break;
- }
- if (mpx_fde) {
- if (mpx_fde->additional_flags & PORT_ADDITIONAL_FD_FLAG_HAS_MPX) {
- /* Logic error. Can't have more then 2 multiplexed fde's. */
- tevent_debug(port_ev->ev, TEVENT_DEBUG_FATAL,
- "multiplex fde for fd[%d] is already multiplexed\n",
- mpx_fde->fd);
- return -1;
- }
- flags |= port_map_flags(mpx_fde->flags);
- }
- }
-
- if (!store_port_association(port_ev,
- fde,
- flags)) {
- tevent_debug(port_ev->ev, TEVENT_DEBUG_FATAL,
- "store_port_association failed for fd[%d]\n",
- fde->fd);
- return -1;
- }
-
- /* Note we have an association now. */
- fde->additional_flags |= PORT_ADDITIONAL_FD_FLAG_HAS_ASSOCIATION;
- /* Only if we want to read do we tell the event handler about errors. */
- if (fde->flags & TEVENT_FD_READ) {
- fde->additional_flags |= PORT_ADDITIONAL_FD_FLAG_REPORT_ERROR;
- }
- if (mpx_fde == NULL) {
- return 0;
- }
- /* Set up the multiplex pointer. Does no harm if already multiplexed. */
- port_setup_multiplex_fd(port_ev,
- fde,
- mpx_fde);
-
- mpx_fde->additional_flags |= PORT_ADDITIONAL_FD_FLAG_HAS_ASSOCIATION;
- /* Only if we want to read do we tell the event handler about errors. */
- if (mpx_fde->flags & TEVENT_FD_READ) {
- mpx_fde->additional_flags |= PORT_ADDITIONAL_FD_FLAG_REPORT_ERROR;
- }
-
- return 0;
-}
-
-/*
- Delete the port association for the given fd_event.
-*/
-
-static void port_del_event(struct port_event_context *port_ev, struct tevent_fd *fde)
-{
- struct tevent_fd *mpx_fde = NULL;
-
- fde->additional_flags &= ~PORT_ADDITIONAL_FD_FLAG_HAS_ASSOCIATION;
- fde->additional_flags &= ~PORT_ADDITIONAL_FD_FLAG_REPORT_ERROR;
-
- if (fde->additional_flags & PORT_ADDITIONAL_FD_FLAG_HAS_MPX) {
- /*
- * This is a multiplexed fde, we need to remove
- * both associations.
- */
- mpx_fde = talloc_get_type_abort(fde->additional_data,
- struct tevent_fd);
-
- mpx_fde->additional_flags &= ~PORT_ADDITIONAL_FD_FLAG_HAS_ASSOCIATION;
- mpx_fde->additional_flags &= ~PORT_ADDITIONAL_FD_FLAG_REPORT_ERROR;
- mpx_fde->additional_data = NULL;
-
- fde->additional_data = NULL;
- }
- delete_port_association(port_ev, fde);
-}
-
-/*
- Add or remove the port event from the given fd_event
-*/
-static int port_update_event(struct port_event_context *port_ev, struct tevent_fd *fde)
-{
- bool got_error = (fde->additional_flags & PORT_ADDITIONAL_FD_FLAG_GOT_ERROR);
- bool want_read = (fde->flags & TEVENT_FD_READ);
- bool want_write = (fde->flags & TEVENT_FD_WRITE);
- struct tevent_fd *mpx_fde = NULL;
-
- if (fde->additional_flags & PORT_ADDITIONAL_FD_FLAG_HAS_MPX) {
- /*
- * work out what the multiplexed fde wants.
- */
- mpx_fde = talloc_get_type_abort(fde->additional_data,
- struct tevent_fd);
- if (mpx_fde->flags & TEVENT_FD_READ) {
- want_read = true;
- }
- if (mpx_fde->flags & TEVENT_FD_WRITE) {
- want_write = true;
- }
- }
-
- if (fde->additional_flags & PORT_ADDITIONAL_FD_FLAG_HAS_ASSOCIATION) {
- /* There's already an association. */
- if (want_read || (want_write && !got_error)) {
- return port_add_event(port_ev, fde);
- }
- /*
- * If we want to match the select behavior, we need to remove the port event
- * when the caller isn't interested in events.
- */
- port_del_event(port_ev, fde);
- return 0;
- }
-
- /* There's no port event attached to the fde. */
- if (want_read || (want_write && !got_error)) {
- return port_add_event(port_ev, fde);
- }
- return 0;
-}
-
-/*
- Cope with port_get returning EPOLLHP|EPOLLERR on an association.
- Return true if there's nothing else to do, false if this event
- needs further handling.
-*/
-
-static bool port_handle_hup_or_err(struct port_event_context *port_ev,
- struct tevent_fd *fde)
-{
- if (fde == NULL) {
- return true;
- }
-
- fde->additional_flags |= PORT_ADDITIONAL_FD_FLAG_GOT_ERROR;
- /*
- * If we only wait for TEVENT_FD_WRITE, we should not tell the
- * event handler about it, and remove the port association,
- * as we only report error when waiting for read events,
- * to match the select() behavior.
- */
- if (!(fde->additional_flags & PORT_ADDITIONAL_FD_FLAG_REPORT_ERROR)) {
- /*
- * Do the same as the poll backend and
- * remove the writable flag.
- */
- fde->flags &= ~TEVENT_FD_WRITE;
- return true;
- }
- /* This has TEVENT_FD_READ set, we're not finished. */
- return false;
-}
-
-/*
- Event loop handling using Solaris ports.
-*/
-static int port_event_loop(struct port_event_context *port_ev, struct timeval *tvalp)
-{
- int ret;
-#define MAXEVENTS 1
- port_event_t events[MAXEVENTS];
- uint_t nget = 1;
- uint_t max_events = MAXEVENTS;
- uint_t i;
- int port_errno;
- struct timespec ts;
- struct tevent_context *ev = port_ev->ev;
-
- if (tvalp) {
- ts.tv_sec = tvalp->tv_sec;
- ts.tv_nsec = tvalp->tv_usec * 1000;
- }
-
- if (port_ev->ev->signal_events &&
- tevent_common_check_signal(ev)) {
- return 0;
- }
-
- /*
- * Solaris triggers sending the event to the port
- * at the time the port association is done. Postpone
- * associating fd's until just before we get the events,
- * otherwise we can deadlock.
- */
-
- if (associate_all_events(port_ev) != 0) {
- return -1;
- }
-
- tevent_trace_point_callback(ev, TEVENT_TRACE_BEFORE_WAIT);
- ret = port_getn(port_ev->port_fd, events, max_events, &nget, &ts);
- port_errno = errno;
- tevent_trace_point_callback(ev, TEVENT_TRACE_AFTER_WAIT);
-
- if (ret == -1 && port_errno == EINTR) {
- if (ev->signal_events) {
- tevent_common_check_signal(ev);
- }
- /*
- * If no signal handlers we got an unsolicited
- * signal wakeup. This can happen with epoll
- * too. Just return and ignore.
- */
- return 0;
- }
-
- if (ret == -1 && port_errno == ETIME) {
- /*
- * If errno is set to ETIME it is possible that we still got an event.
- * In that case we need to go through the processing loop so that we
- * reassociate the received event with the port or the association will
- * be lost so check the value of nget is 0 before returning.
- */
- if (nget == 0) {
- /* we don't care about a possible delay here */
- tevent_common_loop_timer_delay(ev);
- return 0;
- }
- /*
- * Set the return value to 0 since we do not actually have an error and we
- * do have events that need to be processed. This keeps us from getting
- * caught in the generic error test.
- */
- ret = 0;
- }
-
- if (ret == -1) {
- tevent_debug(ev, TEVENT_DEBUG_ERROR,
- "port_get failed (%s)\n",
- strerror(errno));
- return -1;
- }
-
- for (i = 0; i < nget; i++) {
- struct tevent_fd *mpx_fde = NULL;
- struct tevent_fd *fde = NULL;
- uint16_t flags = 0;
- struct port_associate_vals *val = talloc_get_type(events[i].portev_user,
- struct port_associate_vals);
- if (val == NULL) {
- tevent_debug(ev, TEVENT_DEBUG_ERROR,
- "port_getn() gave bad data");
- return -1;
- }
-
- /* Mark this event as needing to be re-associated. */
- val->associated_event = false;
-
- fde = val->fde;
-
- if (fde->additional_flags & PORT_ADDITIONAL_FD_FLAG_HAS_MPX) {
- /*
- * Save off the multiplexed event in case we need
- * to use it to call the handler function.
- */
- mpx_fde = talloc_get_type_abort(fde->additional_data,
- struct tevent_fd);
- }
-
- if (events[i].portev_events & (POLLHUP|POLLERR)) {
- bool handled_fde = port_handle_hup_or_err(port_ev, fde);
- bool handled_mpx = port_handle_hup_or_err(port_ev, mpx_fde);
-
- if (handled_fde && handled_mpx) {
- return port_update_event(port_ev, fde);
- }
-
- if (!handled_mpx) {
- /*
- * If the mpx event was the one that needs
- * further handling, it's the TEVENT_FD_READ
- * event so switch over and call that handler.
- */
- fde = mpx_fde;
- mpx_fde = NULL;
- }
- flags |= TEVENT_FD_READ;
- }
-
- if (events[i].portev_events & POLLIN) {
- flags |= TEVENT_FD_READ;
- }
- if (events[i].portev_events & POLLOUT) {
- flags |= TEVENT_FD_WRITE;
- }
-
- if (flags & TEVENT_FD_WRITE) {
- if (fde->flags & TEVENT_FD_WRITE) {
- mpx_fde = NULL;
- }
- if (mpx_fde && (mpx_fde->flags & TEVENT_FD_WRITE)) {
- fde = mpx_fde;
- mpx_fde = NULL;
- }
-
- if (mpx_fde) {
- /* Ensure we got the right fde. */
- if ((flags & fde->flags) == 0) {
- fde = mpx_fde;
- mpx_fde = NULL;
- }
- }
- }
-
- /*
- * Make sure we only pass the flags
- * the handler is expecting.
- */
- flags &= fde->flags;
- if (flags) {
- return tevent_common_invoke_fd_handler(fde, flags, NULL);
- }
- }
-
- return 0;
-}
-
-
-/*
- create a port_event_context structure.
-*/
-static int port_event_context_init(struct tevent_context *ev)
-{
- int ret;
- struct port_event_context *port_ev;
-
- /*
- * We might be called during tevent_re_initialise()
- * which means we need to free our old additional_data.
- */
- TALLOC_FREE(ev->additional_data);
-
- port_ev = talloc_zero(ev, struct port_event_context);
- if (!port_ev) {
- return -1;
- }
- port_ev->ev = ev;
- port_ev->port_fd = -1;
- port_ev->pid = (pid_t)-1;
-
- ret = port_init_ctx(port_ev);
- if (ret != 0) {
- talloc_free(port_ev);
- return ret;
- }
-
- ev->additional_data = port_ev;
- return 0;
-}
-
-/*
- destroy an fd_event
-*/
-static int port_event_fd_destructor(struct tevent_fd *fde)
-{
- struct tevent_context *ev = fde->event_ctx;
- struct port_event_context *port_ev = NULL;
- struct tevent_fd *mpx_fde = NULL;
- int flags = (int)fde->flags;
-
- if (ev == NULL) {
- return tevent_common_fd_destructor(fde);
- }
-
- port_ev = talloc_get_type_abort(ev->additional_data,
- struct port_event_context);
-
- DLIST_REMOVE(ev->fd_events, fde);
-
- if (fde->additional_flags & PORT_ADDITIONAL_FD_FLAG_HAS_MPX) {
- mpx_fde = talloc_get_type_abort(fde->additional_data,
- struct tevent_fd);
-
- fde->additional_flags &= ~PORT_ADDITIONAL_FD_FLAG_HAS_MPX;
- mpx_fde->additional_flags &= ~PORT_ADDITIONAL_FD_FLAG_HAS_MPX;
-
- fde->additional_data = NULL;
- mpx_fde->additional_data = NULL;
-
- fde->additional_flags &= ~PORT_ADDITIONAL_FD_FLAG_HAS_ASSOCIATION;
- }
-
- (void)port_check_reopen(port_ev);
-
- if (mpx_fde != NULL) {
- (void)port_update_event(port_ev, mpx_fde);
- }
-
- fde->flags = 0;
- (void)port_update_event(port_ev, fde);
- fde->flags = flags;
-
- return tevent_common_fd_destructor(fde);
-}
-
-/*
- add a fd based event
- return NULL on failure (memory allocation error)
-*/
-static struct tevent_fd *port_event_add_fd(struct tevent_context *ev, TALLOC_CTX *mem_ctx,
- int fd, uint16_t flags,
- tevent_fd_handler_t handler,
- void *private_data,
- const char *handler_name,
- const char *location)
-{
- struct port_event_context *port_ev =
- talloc_get_type_abort(ev->additional_data,
- struct port_event_context);
- struct tevent_fd *fde;
-
- fde = tevent_common_add_fd(ev, mem_ctx, fd, flags,
- handler, private_data,
- handler_name, location);
- if (!fde) {
- return NULL;
- }
-
- talloc_set_destructor(fde, port_event_fd_destructor);
-
- if (port_check_reopen(port_ev) != 0) {
- TALLOC_FREE(fde);
- return NULL;
- }
-
- if (port_update_event(port_ev, fde) != 0) {
- TALLOC_FREE(fde);
- return NULL;
- }
-
- return fde;
-}
-
-/*
- set the fd event flags
-*/
-static void port_event_set_fd_flags(struct tevent_fd *fde, uint16_t flags)
-{
- struct tevent_context *ev;
- struct port_event_context *port_ev;
-
- if (fde->flags == flags) {
- return;
- }
-
- ev = fde->event_ctx;
- port_ev = talloc_get_type_abort(ev->additional_data,
- struct port_event_context);
-
- fde->flags = flags;
-
- (void)port_check_reopen(port_ev);
- (void)port_update_event(port_ev, fde);
-}
-
-/*
- do a single event loop using the events defined in ev
-*/
-static int port_event_loop_once(struct tevent_context *ev, const char *location)
-{
- struct port_event_context *port_ev = talloc_get_type(ev->additional_data,
- struct port_event_context);
- struct timeval tval;
-
- if (ev->signal_events &&
- tevent_common_check_signal(ev)) {
- return 0;
- }
-
- if (ev->threaded_contexts != NULL) {
- tevent_common_threaded_activate_immediate(ev);
- }
-
- if (ev->immediate_events &&
- tevent_common_loop_immediate(ev)) {
- return 0;
- }
-
- tval = tevent_common_loop_timer_delay(ev);
- if (tevent_timeval_is_zero(&tval)) {
- return 0;
- }
-
- if (port_check_reopen(port_ev) != 0) {
- errno = EINVAL;
- return -1;
- }
- return port_event_loop(port_ev, &tval);
-}
-
-static const struct tevent_ops port_event_ops = {
- .context_init = port_event_context_init,
- .add_fd = port_event_add_fd,
- .set_fd_close_fn = tevent_common_fd_set_close_fn,
- .get_fd_flags = tevent_common_fd_get_flags,
- .set_fd_flags = port_event_set_fd_flags,
- .add_timer = tevent_common_add_timer_v2,
- .schedule_immediate = tevent_common_schedule_immediate,
- .add_signal = tevent_common_add_signal,
- .loop_once = port_event_loop_once,
- .loop_wait = tevent_common_loop_wait,
-};
-
-_PRIVATE_ bool tevent_port_init(void)
-{
- if (!tevent_register_backend("port", &port_event_ops)) {
- return false;
- }
- tevent_set_default_backend("port");
- return true;
-}
git.samba.org / samba.git / commitdiff