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authorArno Töll <arno@debian.org>2012-11-21 23:03:45 +0100
committerArno Töll <arno@debian.org>2012-11-21 23:03:45 +0100
commit9fa7c3d770fb8688555b661940e04c3bf6b6d8aa (patch)
tree7d26c5c3a492656762910721988ee0867f7a57c4 /src/fdevent_poll.c
parentc99b717062c6228c4ac6df3831702f81c9806df4 (diff)
downloadlighttpd-upstream/1.4.13_r1385.tar.gz
Imported Upstream version 1.4.13~r1385upstream/1.4.13_r1385
Diffstat (limited to 'src/fdevent_poll.c')
-rw-r--r--src/fdevent_poll.c52
1 files changed, 26 insertions, 26 deletions
diff --git a/src/fdevent_poll.c b/src/fdevent_poll.c
index 7d8017a..11d2c5e 100644
--- a/src/fdevent_poll.c
+++ b/src/fdevent_poll.c
@@ -20,19 +20,19 @@ static void fdevent_poll_free(fdevents *ev) {
static int fdevent_poll_event_del(fdevents *ev, int fde_ndx, int fd) {
if (fde_ndx < 0) return -1;
-
+
if ((size_t)fde_ndx >= ev->used) {
fprintf(stderr, "%s.%d: del! out of range %d %zd\n", __FILE__, __LINE__, fde_ndx, ev->used);
SEGFAULT();
}
-
+
if (ev->pollfds[fde_ndx].fd == fd) {
size_t k = fde_ndx;
-
+
ev->pollfds[k].fd = -1;
/* ev->pollfds[k].events = 0; */
/* ev->pollfds[k].revents = 0; */
-
+
if (ev->unused.size == 0) {
ev->unused.size = 16;
ev->unused.ptr = malloc(sizeof(*(ev->unused.ptr)) * ev->unused.size);
@@ -40,47 +40,47 @@ static int fdevent_poll_event_del(fdevents *ev, int fde_ndx, int fd) {
ev->unused.size += 16;
ev->unused.ptr = realloc(ev->unused.ptr, sizeof(*(ev->unused.ptr)) * ev->unused.size);
}
-
+
ev->unused.ptr[ev->unused.used++] = k;
} else {
SEGFAULT();
}
-
+
return -1;
}
#if 0
static int fdevent_poll_event_compress(fdevents *ev) {
size_t j;
-
+
if (ev->used == 0) return 0;
if (ev->unused.used != 0) return 0;
-
+
for (j = ev->used - 1; j + 1 > 0 && ev->pollfds[j].fd == -1; j--) ev->used--;
-
+
return 0;
}
#endif
static int fdevent_poll_event_add(fdevents *ev, int fde_ndx, int fd, int events) {
/* known index */
-
+
if (fde_ndx != -1) {
if (ev->pollfds[fde_ndx].fd == fd) {
ev->pollfds[fde_ndx].events = events;
-
+
return fde_ndx;
}
fprintf(stderr, "%s.%d: add: (%d, %d)\n", __FILE__, __LINE__, fde_ndx, ev->pollfds[fde_ndx].fd);
SEGFAULT();
}
-
+
if (ev->unused.used > 0) {
int k = ev->unused.ptr[--ev->unused.used];
-
+
ev->pollfds[k].fd = fd;
ev->pollfds[k].events = events;
-
+
return k;
} else {
if (ev->size == 0) {
@@ -90,10 +90,10 @@ static int fdevent_poll_event_add(fdevents *ev, int fde_ndx, int fd, int events)
ev->size += 16;
ev->pollfds = realloc(ev->pollfds, sizeof(*ev->pollfds) * ev->size);
}
-
+
ev->pollfds[ev->used].fd = fd;
ev->pollfds[ev->used].events = events;
-
+
return ev->used++;
}
}
@@ -109,12 +109,12 @@ static int fdevent_poll_event_get_revent(fdevents *ev, size_t ndx) {
int r, poll_r;
if (ndx >= ev->used) {
fprintf(stderr, "%s.%d: dying because: event: %zd >= %zd\n", __FILE__, __LINE__, ndx, ev->used);
-
+
SEGFAULT();
-
+
return 0;
}
-
+
if (ev->pollfds[ndx].revents & POLLNVAL) {
/* should never happen */
SEGFAULT();
@@ -131,7 +131,7 @@ static int fdevent_poll_event_get_revent(fdevents *ev, size_t ndx) {
if (poll_r & POLLHUP) r |= FDEVENT_HUP;
if (poll_r & POLLNVAL) r |= FDEVENT_NVAL;
if (poll_r & POLLPRI) r |= FDEVENT_PRI;
-
+
return ev->pollfds[ndx].revents;
}
@@ -141,12 +141,12 @@ static int fdevent_poll_event_get_fd(fdevents *ev, size_t ndx) {
static int fdevent_poll_event_next_fdndx(fdevents *ev, int ndx) {
size_t i;
-
+
i = (ndx < 0) ? 0 : ndx + 1;
for (; i < ev->used; i++) {
if (ev->pollfds[i].revents) break;
}
-
+
return i;
}
@@ -154,17 +154,17 @@ int fdevent_poll_init(fdevents *ev) {
ev->type = FDEVENT_HANDLER_POLL;
#define SET(x) \
ev->x = fdevent_poll_##x;
-
+
SET(free);
SET(poll);
-
+
SET(event_del);
SET(event_add);
-
+
SET(event_next_fdndx);
SET(event_get_fd);
SET(event_get_revent);
-
+
return 0;
}