104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
#include "first.h"
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#include "fdevent_impl.h"
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#include "fdevent.h"
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#include "buffer.h"
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#include "log.h"
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#ifdef FDEVENT_USE_SOLARIS_PORT
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#include <sys/poll.h>
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static int fdevent_solaris_port_event_del(fdevents *ev, fdnode *fdn) {
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return port_dissociate(ev->port_fd, PORT_SOURCE_FD, fdn->fd);
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}
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static int fdevent_solaris_port_event_set(fdevents *ev, fdnode *fdn, int events) {
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int fd = fdn->fde_ndx = fdn->fd;
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intptr_t ud = events & (POLLIN|POLLOUT);
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return port_associate(ev->port_fd,PORT_SOURCE_FD,fd,(int)ud,(void*)ud);
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}
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__attribute_cold__
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static void fdevent_solaris_port_free(fdevents *ev) {
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close(ev->port_fd);
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free(ev->port_events);
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}
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/* if there is any error it will return the return values of port_getn, otherwise it will return number of events **/
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static int fdevent_solaris_port_poll(fdevents *ev, int timeout_ms) {
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const int pfd = ev->port_fd;
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int ret;
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unsigned int available_events, wait_for_events = 0;
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struct timespec timeout;
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timeout.tv_sec = timeout_ms/1000L;
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timeout.tv_nsec = (timeout_ms % 1000L) * 1000000L;
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/* get the number of file descriptors with events */
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if ((ret = port_getn(pfd, ev->port_events, 0, &wait_for_events, &timeout)) < 0) return ret;
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/* wait for at least one event */
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if (0 == wait_for_events) wait_for_events = 1;
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available_events = wait_for_events;
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/* get the events of the file descriptors */
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if ((ret = port_getn(pfd, ev->port_events, ev->maxfds, &available_events, &timeout)) < 0) {
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/* if errno == ETIME and available_event == wait_for_events we didn't get any events */
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/* for other errors we didn't get any events either */
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if (!(errno == ETIME && wait_for_events != available_events)) return ret;
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}
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for (int i = 0; i < (int)available_events; ++i) {
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int fd = (int)ev->port_events[i].portev_object;
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fdnode * const fdn = ev->fdarray[fd];
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const intptr_t ud = (intptr_t)ev->port_events[i].portev_user;
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int revents = ev->port_events[i].portev_events;
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if (0 == ((uintptr_t)fdn & 0x3)) {
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if (port_associate(pfd,PORT_SOURCE_FD,fd,(int)ud,(void*)ud) < 0) {
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log_error(ev->errh,__FILE__,__LINE__,"port_associate failed");
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}
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(*fdn->handler)(fdn->ctx, revents);
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}
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else {
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fdn->fde_ndx = -1;
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}
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}
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return available_events;
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}
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__attribute_cold__
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int fdevent_solaris_port_init(fdevents *ev) {
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force_assert(POLLIN == FDEVENT_IN);
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force_assert(POLLPRI == FDEVENT_PRI);
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force_assert(POLLOUT == FDEVENT_OUT);
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force_assert(POLLERR == FDEVENT_ERR);
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force_assert(POLLHUP == FDEVENT_HUP);
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force_assert(POLLNVAL == FDEVENT_NVAL);
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#ifdef POLLRDHUP
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force_assert(POLLRDHUP == FDEVENT_RDHUP);
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#endif
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ev->type = FDEVENT_HANDLER_SOLARIS_PORT;
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ev->event_set = fdevent_solaris_port_event_set;
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ev->event_del = fdevent_solaris_port_event_del;
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ev->poll = fdevent_solaris_port_poll;
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ev->free = fdevent_solaris_port_free;
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ev->port_events = malloc(ev->maxfds * sizeof(*ev->port_events));
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force_assert(NULL != ev->port_events);
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if ((ev->port_fd = port_create()) < 0) return -1;
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return 0;
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}
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#endif
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