diff options
Diffstat (limited to 'src/fdevent_freebsd_kqueue.c')
| -rw-r--r-- | src/fdevent_freebsd_kqueue.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/src/fdevent_freebsd_kqueue.c b/src/fdevent_freebsd_kqueue.c deleted file mode 100644 index 64af9a91..00000000 --- a/src/fdevent_freebsd_kqueue.c +++ /dev/null @@ -1,221 +0,0 @@ -#include <sys/types.h> - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <signal.h> -#include <fcntl.h> - -#include "server.h" -#include "fdevent.h" -#include "settings.h" -#include "buffer.h" - -#ifdef USE_FREEBSD_KQUEUE -#include <sys/event.h> -#include <sys/time.h> - -#include "sys-files.h" -#include "log.h" - -static int fdevent_freebsd_kqueue_event_add(fdevents *ev, iosocket *sock, int events); - -static void fdevent_freebsd_kqueue_free(fdevents *ev) { - close(ev->kq_fd); - free(ev->kq_results); - bitset_free(ev->kq_read_bevents); - bitset_free(ev->kq_write_bevents); -} - -static int fdevent_freebsd_kqueue_event_del(fdevents *ev, iosocket *sock) { - int ret; - - if (sock->fde_ndx < 0) return -1; - - /* delete events */ - ret = fdevent_freebsd_kqueue_event_add(ev, sock, 0); - sock->fde_ndx = -1; - return 0; -} - -static int fdevent_freebsd_kqueue_event_add(fdevents *ev, iosocket *sock, int events) { - int ret; - struct kevent kev[2]; - struct timespec ts; - int nchanges = 0; - int changed_events = 0; - - if (bitset_test_bit(ev->kq_read_bevents, sock->fd)) { - changed_events |= FDEVENT_IN; - } - if (bitset_test_bit(ev->kq_write_bevents, sock->fd)) { - changed_events |= FDEVENT_OUT; - } - /* use XOR on changed_events and events to see which events changed. */ - changed_events ^= events; - - if (changed_events & FDEVENT_IN) { - /* add/delete FDEVENT_IN */ - if (events & FDEVENT_IN) { - /* add */ - EV_SET(&(kev[nchanges]), sock->fd, EVFILT_READ, EV_ADD, 0, 0, NULL); - nchanges++; - bitset_set_bit(ev->kq_read_bevents, sock->fd); - } else { - /* delete */ - EV_SET(&(kev[nchanges]), sock->fd, EVFILT_READ, EV_DELETE, 0, 0, NULL); - nchanges++; - bitset_clear_bit(ev->kq_read_bevents, sock->fd); - } - } - - if (changed_events & FDEVENT_OUT) { - /* add/delete FDEVENT_OUT */ - if (events & FDEVENT_OUT) { - /* add */ - EV_SET(&(kev[nchanges]), sock->fd, EVFILT_WRITE, EV_ADD, 0, 0, NULL); - nchanges++; - bitset_set_bit(ev->kq_write_bevents, sock->fd); - } else { - /* delete */ - EV_SET(&(kev[nchanges]), sock->fd, EVFILT_WRITE, EV_DELETE, 0, 0, NULL); - nchanges++; - bitset_clear_bit(ev->kq_write_bevents, sock->fd); - } - } - - if (nchanges == 0) return 0; - - ts.tv_sec = 0; - ts.tv_nsec = 0; - - ret = kevent(ev->kq_fd, - kev, nchanges, - NULL, 0, - &ts); - - if (ret == -1) { - ERROR("kqueue failed polling: %s\n", strerror(errno)); - - return -1; - } - - sock->fde_ndx = sock->fd; - - return 0; -} - -static int fdevent_freebsd_kqueue_poll(fdevents *ev, int timeout_ms) { - int ret; - struct timespec ts; - - ts.tv_sec = timeout_ms / 1000; - ts.tv_nsec = (timeout_ms % 1000) * 1000000; - - ret = kevent(ev->kq_fd, - NULL, 0, - ev->kq_results, ev->maxfds, - &ts); - - if (ret == -1) { - switch(errno) { - case EINTR: - /* we got interrupted, perhaps just a SIGCHLD of a CGI script */ - return 0; - default: - fprintf(stderr, "%s.%d: kqueue failed polling: %s\n", - __FILE__, __LINE__, strerror(errno)); - break; - } - } - - return ret; -} - -static int fdevent_freebsd_kqueue_get_revents(fdevents *ev, size_t event_count, fdevent_revents *revents) { - size_t ndx; - - for (ndx = 0; ndx < event_count; ndx++) { - int events = 0, e; - - e = ev->kq_results[ndx].filter; - - if (e == EVFILT_READ) { - events |= FDEVENT_IN; - } else if (e == EVFILT_WRITE) { - events |= FDEVENT_OUT; - } - - e = ev->kq_results[ndx].flags; - - if (e & EV_EOF) { - events |= FDEVENT_HUP; - } - - if (e & EV_ERROR) { - events |= FDEVENT_ERR; - } - - fdevent_revents_add(revents, ev->kq_results[ndx].ident, events); - } - - return 0; -} - -static int fdevent_freebsd_kqueue_reset(fdevents *ev) { - if (-1 == (ev->kq_fd = kqueue())) { - fprintf(stderr, "%s.%d: kqueue failed (%s), try to set server.event-handler = \"poll\" or \"select\"\n", - __FILE__, __LINE__, strerror(errno)); - - return -1; - } - - return 0; -} - - -int fdevent_freebsd_kqueue_init(fdevents *ev) { - ev->type = FDEVENT_HANDLER_FREEBSD_KQUEUE; -#define SET(x) \ - ev->x = fdevent_freebsd_kqueue_##x; - - SET(free); - SET(poll); - SET(reset); - - SET(event_del); - SET(event_add); - - SET(get_revents); - - ev->kq_fd = -1; - - ev->kq_results = calloc(ev->maxfds, sizeof(*ev->kq_results)); - ev->kq_read_bevents = bitset_init(ev->maxfds); - ev->kq_write_bevents = bitset_init(ev->maxfds); - - /* check that kqueue works */ - - if (-1 == (ev->kq_fd = kqueue())) { - fprintf(stderr, "%s.%d: kqueue failed (%s), try to set server.event-handler = \"poll\" or \"select\"\n", - __FILE__, __LINE__, strerror(errno)); - - return -1; - } - - close(ev->kq_fd); - ev->kq_fd = -1; - - return 0; -} -#else -int fdevent_freebsd_kqueue_init(fdevents *ev) { - UNUSED(ev); - - fprintf(stderr, "%s.%d: kqueue not available, try to set server.event-handler = \"poll\" or \"select\"\n", - __FILE__, __LINE__); - - return -1; -} -#endif |