/*
* Add a FD to the fd set
*/
static int fpm_event_port_add(struct fpm_event_s *ev) /* {{{ */
{
/* add the event to port */
if (port_associate(pfd, PORT_SOURCE_FD, ev->fd, POLLIN, (void *)ev) < 0) {
zlog(ZLOG_ERROR, "port: unable to add the event");
return -1;
}
return 0;
}
static inline void
vws_add(struct vws *vws, int fd, void *data)
{
/*
* POLLIN should be all we need here
*
*/
AZ(port_associate(vws->dport, PORT_SOURCE_FD, fd, POLLIN, data));
}
int event_queue_add_fd_write(int eq, int fd) {
if (port_associate(eq, PORT_SOURCE_FD, fd, POLLOUT, NULL)) {
uwsgi_error("port_associate");
return -1;
}
return fd;
}
static inline void
vca_add(int fd, void *data)
{
/*
* POLLIN should be all we need here
*
*/
AZ(port_associate(solaris_dport, PORT_SOURCE_FD, fd, POLLIN, data));
}
ph_result_t ph_nbio_emitter_apply_io_mask(struct ph_nbio_emitter *emitter,
ph_job_t *job, ph_iomask_t mask)
{
int res;
int want_mask = 0;
if (job->fd == -1) {
return PH_OK;
}
switch (mask & (PH_IOMASK_READ|PH_IOMASK_WRITE)) {
case PH_IOMASK_READ:
want_mask = POLLIN|DEFAULT_POLL_MASK;
break;
case PH_IOMASK_WRITE:
want_mask = POLLOUT|DEFAULT_POLL_MASK;
break;
case PH_IOMASK_READ|PH_IOMASK_WRITE:
want_mask = POLLIN|POLLOUT|DEFAULT_POLL_MASK;
break;
case 0:
default:
want_mask = 0;
}
if (want_mask == job->kmask) {
return PH_OK;
}
switch (want_mask) {
case 0:
res = port_dissociate(emitter->io_fd, PORT_SOURCE_FD, job->fd);
if (res != 0 && errno == ENOENT) {
res = 0;
}
if (res != 0) {
ph_panic("port_dissociate: setting mask to %02x on fd %d -> `Pe%d",
mask, job->fd, errno);
}
job->kmask = 0;
job->mask = 0;
break;
default:
job->mask = mask;
job->kmask = want_mask;
res = port_associate(emitter->io_fd, PORT_SOURCE_FD, job->fd,
want_mask, job);
if (res != 0) {
ph_panic("port_associate: setting mask to %02x on fd %d -> `Pe%d",
mask, job->fd, errno);
return PH_ERR;
}
}
return PH_OK;
}
int event_queue_fd_read_to_readwrite(int eq, int fd) {
if (port_associate(eq, PORT_SOURCE_FD, fd, POLLIN|POLLOUT, NULL)) {
uwsgi_error("port_associate");
return -1;
}
return 0;
}
static ngx_int_t
ngx_eventport_del_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags)
{
ngx_event_t *e;
ngx_connection_t *c;
/*
* when the file descriptor is closed, the event port automatically
* dissociates it from the port, so we do not need to dissociate explicitly
* the event before the closing the file descriptor
*/
if (flags & NGX_CLOSE_EVENT)
{
ev->active = 0;
ev->oneshot = 0;
return NGX_OK;
}
c = ev->data;
if (event == NGX_READ_EVENT)
{
e = c->write;
event = POLLOUT;
}
else
{
e = c->read;
event = POLLIN;
}
if (e->oneshot)
{
ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
"eventport change event: fd:%d ev:%04Xi", c->fd, event);
if (port_associate(ep, PORT_SOURCE_FD, c->fd, event,
(void *)((uintptr_t) ev | ev->instance))
== -1)
{
ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
"port_associate() failed");
return NGX_ERROR;
}
}
else
{
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0,
"eventport del event: fd:%d", c->fd);
if (port_dissociate(ep, PORT_SOURCE_FD, c->fd) == -1)
{
ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
"port_dissociate() failed");
return NGX_ERROR;
}
}
ev->active = 0;
ev->oneshot = 0;
return NGX_OK;
}
static int uv__fs_event_rearm(uv_fs_event_t* handle) {
if (handle->fd == -1) return 0;
if (port_associate(handle->loop->fs_fd, PORT_SOURCE_FILE,
(uintptr_t) & handle->fo, FILE_ATTRIB | FILE_MODIFIED,
handle) == -1) {
uv__set_sys_error(handle->loop, errno);
return -1;
}
handle->fd = PORT_LOADED;
return 0;
}
bool SelEpolKqEvPrt::registerForEvent(SOCKET descriptor)
{
curfds++;
#ifdef OS_MINGW
u_long iMode = 1;
ioctlsocket(descriptor, FIONBIO, &iMode);
#else
fcntl(descriptor, F_SETFL, fcntl(descriptor, F_GETFD, 0) | O_NONBLOCK);
#endif
//fcntl(descriptor, F_SETFL, fcntl(descriptor, F_GETFD, 0) | O_NONBLOCK);
#if defined(USE_MINGW_SELECT)
FD_SET(descriptor, &master);
if(descriptor > fdMax)
fdMax = descriptor;
#elif defined(USE_SELECT)
FD_SET(descriptor%FD_SETSIZE, &master[descriptor/FD_SETSIZE]);
if(descriptor > fdMax)
fdMax = descriptor;
#elif defined USE_EPOLL
ev.events = EPOLLIN | EPOLLPRI;
ev.data.fd = descriptor;
if (epoll_ctl(epoll_handle, EPOLL_CTL_ADD, descriptor, &ev) < 0)
{
perror("epoll");
logger << "Error adding to epoll cntl list" << endl;
return false;
}
#elif defined USE_KQUEUE
memset(&change, 0, sizeof(change));
EV_SET(&change, descriptor, EVFILT_READ, EV_ADD, 0, 0, 0);
kevent(kq, &change, 1, NULL, 0, NULL);
#elif defined USE_DEVPOLL
struct pollfd poll_fd;
poll_fd.fd = descriptor;
poll_fd.events = POLLIN;
poll_fd.revents = 0;
if (write(dev_poll_fd, &poll_fd, sizeof(poll_fd)) < 0) {
perror("devpoll");
return false;
}
#elif defined USE_EVPORT
if (port_associate(port, PORT_SOURCE_FD, descriptor, POLLIN, NULL) < 0) {
perror("port_associate");
}
#elif defined USE_POLL
nfds++;
polled_fds = (struct pollfd *)realloc(polled_fds, (nfds+1)*sizeof(struct pollfd));
(polled_fds+nfds)->fd = descriptor;
(polled_fds+nfds)->events = POLLIN | POLLPRI;
#endif
return true;
}
static apr_status_t impl_pollset_add(apr_pollset_t *pollset,
const apr_pollfd_t *descriptor)
{
apr_os_sock_t fd;
pfd_elem_t *elem;
int res;
apr_status_t rv = APR_SUCCESS;
pollset_lock_rings();
if (!APR_RING_EMPTY(&(pollset->p->free_ring), pfd_elem_t, link)) {
elem = APR_RING_FIRST(&(pollset->p->free_ring));
APR_RING_REMOVE(elem, link);
}
else {
elem = (pfd_elem_t *) apr_palloc(pollset->pool, sizeof(pfd_elem_t));
APR_RING_ELEM_INIT(elem, link);
elem->on_query_ring = 0;
}
elem->pfd = *descriptor;
if (descriptor->desc_type == APR_POLL_SOCKET) {
fd = descriptor->desc.s->socketdes;
}
else {
fd = descriptor->desc.f->filedes;
}
/* If another thread is polling, notify the kernel immediately; otherwise,
* wait until the next call to apr_pollset_poll().
*/
if (apr_atomic_read32(&pollset->p->waiting)) {
res = port_associate(pollset->p->port_fd, PORT_SOURCE_FD, fd,
get_event(descriptor->reqevents), (void *)elem);
if (res < 0) {
rv = apr_get_netos_error();
APR_RING_INSERT_TAIL(&(pollset->p->free_ring), elem, pfd_elem_t, link);
}
else {
elem->on_query_ring = 1;
APR_RING_INSERT_TAIL(&(pollset->p->query_ring), elem, pfd_elem_t, link);
}
}
else {
APR_RING_INSERT_TAIL(&(pollset->p->add_ring), elem, pfd_elem_t, link);
}
pollset_unlock_rings();
return rv;
}
static void alter_fd_associate(eventer_t e, int mask, struct ports_spec *spec) {
int events = 0, s_errno = 0, ret;
if(mask & EVENTER_READ) events |= POLLIN;
if(mask & EVENTER_WRITE) events |= POLLOUT;
if(mask & EVENTER_EXCEPTION) events |= POLLERR;
errno = 0;
ret = port_associate(spec->port_fd, PORT_SOURCE_FD, e->fd, events, (void *)(intptr_t)e->fd);
s_errno = errno;
if (ret == -1) {
mtevFatal(mtev_error,
"eventer port_associate failed(%d-%d): %d/%s\n", e->fd, spec->port_fd, s_errno, strerror(s_errno));
}
}
bool FdEventQueue::associate(fd_t fd, FdEvent::Type fd_event_types) {
if (fd_event_types > 0) {
return port_associate(
port,
PORT_SOURCE_FD,
fd,
fd_event_types,
NULL
) != -1;
} else {
return dissociate(fd);
}
}
void
pe_update_events(fde_t * F, short filter, PF * handler)
{
PF *cur_handler = NULL;
if (filter == POLLRDNORM)
cur_handler = F->read_handler;
else if (filter == POLLWRNORM)
cur_handler = F->write_handler;
if (!cur_handler && handler)
port_associate(pe, PORT_SOURCE_FD, F->fd, filter, F);
else if (cur_handler && !handler)
port_dissociate(pe, PORT_SOURCE_FD, F->fd);
}
static ngx_int_t
ngx_eventport_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags)
{
ngx_int_t events, prev;
ngx_event_t *e;
ngx_connection_t *c;
c = ev->data;
events = event;
if (event == NGX_READ_EVENT) {
e = c->write;
prev = POLLOUT;
#if (NGX_READ_EVENT != POLLIN)
events = POLLIN;
#endif
} else {
e = c->read;
prev = POLLIN;
#if (NGX_WRITE_EVENT != POLLOUT)
events = POLLOUT;
#endif
}
if (e->oneshot) {
events |= prev;
}
ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
"eventport add event: fd:%d ev:%04Xi", c->fd, events);
if (port_associate(ep, PORT_SOURCE_FD, c->fd, events,
(void *) ((uintptr_t) ev | ev->instance))
== -1)
{
ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
"port_associate() failed");
return NGX_ERROR;
}
ev->active = 1;
ev->oneshot = 1;
return NGX_OK;
}
bool PortsEngine::AddFd(EventHandler* eh, int event_mask)
{
int fd = eh->GetFd();
if ((fd < 0) || (fd > GetMaxFds() - 1))
return false;
if (ref[fd])
return false;
ref[fd] = eh;
SocketEngine::SetEventMask(eh, event_mask);
port_associate(EngineHandle, PORT_SOURCE_FD, fd, mask_to_events(event_mask), eh);
ServerInstance->Logs->Log("SOCKET", LOG_DEBUG, "New file descriptor: %d", fd);
CurrentSetSize++;
return true;
}
/*
* (Re)associates the given file descriptor with the event port. The OS events
* are specified (implicitly) from the fd_info struct.
*/
static int
reassociate(struct evport_data *epdp, struct fd_info *fdip, int fd)
{
int sysevents = FDI_TO_SYSEVENTS(fdip);
if (sysevents != 0) {
if (port_associate(epdp->ed_port, PORT_SOURCE_FD,
fd, sysevents, NULL) == -1) {
event_warn("port_associate");
return (-1);
}
}
check_evportop(epdp);
return (0);
}
static ret_t
_set_mode (cherokee_fdpoll_port_t *fdp, int fd, int rw)
{
int rc;
rc = port_associate( fdp->port,
PORT_SOURCE_FD,
fd,
(rw == FDPOLL_MODE_WRITE ? POLLOUT : POLLIN),
(rw == FDPOLL_MODE_WRITE ? WRITE : READ));
if ( rc == -1 ) {
LOG_ERRNO (errno, cherokee_err_error,
CHEROKEE_ERROR_FDPOLL_PORTS_ASSOCIATE, fd);
return ret_error;
}
return ret_ok;
}
void inline_speed
port_associate_and_check (EV_P_ int fd, int ev)
{
if (0 >
port_associate (
backend_fd, PORT_SOURCE_FD, fd,
(ev & EV_READ ? POLLIN : 0)
| (ev & EV_WRITE ? POLLOUT : 0),
0
)
)
{
if (errno == EBADFD)
fd_kill (EV_A_ fd);
else
ev_syserr ("(libev) port_associate");
}
}
static ret_t
fd_associate( cherokee_fdpoll_port_t *fdp, int fd, void *rw )
{
int rc;
rc = port_associate (fdp->port, /* port */
PORT_SOURCE_FD, /* source */
fd, /* object */
rw?POLL_WRITE:POLL_READ, /* events */
rw); /* user data */
if ( rc == -1 ) {
LOG_ERRNO (errno, cherokee_err_error,
CHEROKEE_ERROR_FDPOLL_PORTS_ASSOCIATE, fd);
return ret_error;
}
return ret_ok;
}
static int __iv_fd_port_upload_one(struct iv_state *st, struct iv_fd_ *fd)
{
int ret;
iv_list_del_init(&fd->list_notify);
if (fd->wanted_bands) {
ret = port_associate(st->u.port.port_fd, PORT_SOURCE_FD, fd->fd,
bits_to_poll_mask(fd->wanted_bands), fd);
} else {
ret = port_dissociate(st->u.port.port_fd, PORT_SOURCE_FD,
fd->fd);
}
if (ret == 0)
fd->registered_bands = fd->wanted_bands;
return ret;
}
bool PortsEngine::AddFd(EventHandler* eh)
{
int fd = eh->GetFd();
if ((fd < 0) || (fd > GetMaxFds() - 1))
return false;
if (GetRemainingFds() <= 1)
return false;
if (ref[fd])
return false;
ref[fd] = eh;
port_associate(EngineHandle, PORT_SOURCE_FD, fd, eh->Readable() ? POLLRDNORM : POLLWRNORM, eh);
ServerInstance->Logs->Log("SOCKET",DEBUG,"New file descriptor: %d", fd);
CurrentSetSize++;
return true;
}
APR_DECLARE(apr_status_t) apr_pollset_add(apr_pollset_t *pollset,
const apr_pollfd_t *descriptor)
{
apr_os_sock_t fd;
pfd_elem_t *elem;
int res;
apr_status_t rv = APR_SUCCESS;
pollset_lock_rings();
if (!APR_RING_EMPTY(&(pollset->free_ring), pfd_elem_t, link)) {
elem = APR_RING_FIRST(&(pollset->free_ring));
APR_RING_REMOVE(elem, link);
}
else {
elem = (pfd_elem_t *) apr_palloc(pollset->pool, sizeof(pfd_elem_t));
APR_RING_ELEM_INIT(elem, link);
}
elem->pfd = *descriptor;
if (descriptor->desc_type == APR_POLL_SOCKET) {
fd = descriptor->desc.s->socketdes;
}
else {
fd = descriptor->desc.f->filedes;
}
res = port_associate(pollset->port_fd, PORT_SOURCE_FD, fd,
get_event(descriptor->reqevents), (void *)elem);
if (res < 0) {
rv = APR_ENOMEM;
APR_RING_INSERT_TAIL(&(pollset->free_ring), elem, pfd_elem_t, link);
}
else {
pollset->nelts++;
APR_RING_INSERT_TAIL(&(pollset->query_ring), elem, pfd_elem_t, link);
}
pollset_unlock_rings();
return rv;
}
int ioevent_modify(IOEventPoller *ioevent, const int fd, const int e,
void *data)
{
#if IOEVENT_USE_EPOLL
struct epoll_event ev;
memset(&ev, 0, sizeof(ev));
ev.events = e | ioevent->extra_events;
ev.data.ptr = data;
return epoll_ctl(ioevent->poll_fd, EPOLL_CTL_MOD, fd, &ev);
#elif IOEVENT_USE_KQUEUE
struct kevent ev[2];
int n = 0;
if (e & IOEVENT_READ) {
if (!(ioevent->care_events & IOEVENT_READ)) {
EV_SET(&ev[n++], fd, EVFILT_READ, EV_ADD | ioevent->extra_events, 0, 0, data);
}
}
else if ((ioevent->care_events & IOEVENT_READ)) {
EV_SET(&ev[n++], fd, EVFILT_READ, EV_DELETE, 0, 0, NULL);
}
if (e & IOEVENT_WRITE) {
if (!(ioevent->care_events & IOEVENT_WRITE)) {
EV_SET(&ev[n++], fd, EVFILT_WRITE, EV_ADD | ioevent->extra_events, 0, 0, data);
}
}
else if ((ioevent->care_events & IOEVENT_WRITE)) {
EV_SET(&ev[n++], fd, EVFILT_WRITE, EV_DELETE, 0, 0, NULL);
}
ioevent->care_events = e;
if (n > 0) {
return kevent(ioevent->poll_fd, ev, n, NULL, 0, NULL);
}
else {
return 0;
}
#elif IOEVENT_USE_PORT
return port_associate(ioevent->poll_fd, PORT_SOURCE_FD, fd, e, data);
#endif
}
int PortsEngine::DispatchEvents()
{
struct timespec poll_time;
poll_time.tv_sec = 1;
poll_time.tv_nsec = 0;
unsigned int nget = 1; // used to denote a retrieve request.
int i = port_getn(EngineHandle, this->events, GetMaxFds() - 1, &nget, &poll_time);
// first handle an error condition
if (i == -1)
return i;
TotalEvents += nget;
for (i = 0; i < nget; i++)
{
switch (this->events[i].portev_source)
{
case PORT_SOURCE_FD:
{
int fd = this->events[i].portev_object;
if (ref[fd])
{
// reinsert port for next time around
port_associate(EngineHandle, PORT_SOURCE_FD, fd, POLLRDNORM, ref[fd]);
if ((this->events[i].portev_events & POLLRDNORM))
ReadEvents++;
else
WriteEvents++;
ref[fd]->HandleEvent((this->events[i].portev_events & POLLRDNORM) ? EVENT_READ : EVENT_WRITE);
}
}
default:
break;
}
}
return i;
}
static apr_status_t impl_pollcb_add(apr_pollcb_t *pollcb,
apr_pollfd_t *descriptor)
{
int ret, fd;
if (descriptor->desc_type == APR_POLL_SOCKET) {
fd = descriptor->desc.s->socketdes;
}
else {
fd = descriptor->desc.f->filedes;
}
ret = port_associate(pollcb->fd, PORT_SOURCE_FD, fd,
get_event(descriptor->reqevents), descriptor);
if (ret == -1) {
return apr_get_netos_error();
}
return APR_SUCCESS;
}
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;
}
int event_queue_wait(int eq, int timeout, int *interesting_fd) {
int ret;
port_event_t pe;
timespec_t ts;
if (timeout > 0) {
ts.tv_sec = timeout;
ts.tv_nsec = 0;
ret = port_get(eq, &pe, &ts);
}
else {
ret = port_get(eq, &pe, NULL);
}
if (ret < 0) {
if (errno != ETIME) {
uwsgi_error("port_get()");
return -1;
}
return 0;
}
if (pe.portev_source == PORT_SOURCE_FD) {
// event must be readded (damn Oracle/Sun why the fu*k you made such a horrible choice ???? why not adding a ONESHOT flag ???)
if (port_associate(eq, pe.portev_source, pe.portev_object, pe.portev_events, NULL)) {
uwsgi_error("port_associate");
}
}
if (pe.portev_source == PORT_SOURCE_FILE || pe.portev_source == PORT_SOURCE_TIMER) {
*interesting_fd = (long) pe.portev_user;
}
else {
*interesting_fd = (int) pe.portev_object;
}
return 1;
}
void mowgli_ioevent_associate(mowgli_ioevent_handle_t *self, mowgli_ioevent_source_t source, int object, unsigned int flags, void *opaque)
{
int events = 0;
if (source != MOWGLI_SOURCE_FD)
return;
#ifdef HAVE_EPOLL_CTL
{
struct epoll_event ep_event = {};
events = EPOLLONESHOT;
if (flags & MOWGLI_POLLRDNORM)
events |= EPOLLIN;
if (flags & MOWGLI_POLLWRNORM)
events |= EPOLLOUT;
ep_event.events = events;
ep_event.data.ptr = opaque;
epoll_ctl(self->impldata, EPOLL_CTL_ADD, object, &ep_event);
}
#endif
#ifdef HAVE_PORT_CREATE
#ifdef POLLRDNORM
if (flags & MOWGLI_POLLRDNORM)
events |= POLLRDNORM;
#endif
#ifdef EPOLLWRNORM
if (flags & MOWGLI_POLLWRNORM)
events |= EPOLLWRNORM;
#endif
port_associate(self->impldata, PORT_SOURCE_FD, object, events, opaque);
#endif
}
static void alter_fd(eventer_t e, int mask) {
if(mask & (EVENTER_READ | EVENTER_WRITE | EVENTER_EXCEPTION)) {
int events = 0;
if(mask & EVENTER_READ) events |= POLLIN;
if(mask & EVENTER_WRITE) events |= POLLOUT;
if(mask & EVENTER_EXCEPTION) events |= POLLERR;
if(port_associate(port_fd, PORT_SOURCE_FD, e->fd, events, (void *)e->fd) == -1) {
noitL(eventer_err,
"eventer port_associate failed: %s\n", strerror(errno));
abort();
}
}
else {
if(port_dissociate(port_fd, PORT_SOURCE_FD, e->fd) == -1) {
if(errno == ENOENT) return; /* Fine */
if(errno == EBADFD) return; /* Fine */
noitL(eventer_err,
"eventer port_dissociate failed: %s\n", strerror(errno));
abort();
}
}
}
static DIR *portfs_root_start_watch_dir(watchman_global_watcher_t watcher,
w_root_t *root, struct watchman_dir *dir, struct timeval now,
const char *path) {
struct portfs_root_state *state = root->watch;
DIR *osdir;
struct stat st;
unused_parameter(watcher);
osdir = opendir_nofollow(path);
if (!osdir) {
handle_open_errno(root, dir, now, "opendir", errno, NULL);
return NULL;
}
if (fstat(dirfd(osdir), &st) == -1) {
// whaaa?
w_log(W_LOG_ERR, "fstat on opened dir %s failed: %s\n", path,
strerror(errno));
w_root_schedule_recrawl(root, "fstat failed");
closedir(osdir);
return NULL;
}
dir->port_file.fo_mtime = st.st_atim;
dir->port_file.fo_mtime = st.st_mtim;
dir->port_file.fo_ctime = st.st_ctim;
dir->port_file.fo_name = (char*)dir->path->buf;
errno = 0;
if (port_associate(state->port_fd, PORT_SOURCE_FILE,
(uintptr_t)&dir->port_file, WATCHMAN_PORT_EVENTS,
SET_DIR_BIT(dir))) {
w_log(W_LOG_ERR, "port_associate %s %s\n",
dir->port_file.fo_name, strerror(errno));
}
return osdir;
}
