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Remove event watermarks, don't work well enough to be worth it.

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This commit is contained in:
nicm
2017-02-08 08:25:12 +00:00
parent c0a34821c1
commit 35a0606de1
2 changed files with 5 additions and 41 deletions
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27
window.c
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@ -66,8 +66,6 @@ static struct window_pane *window_pane_create(struct window *, u_int, u_int,
u_int);
static void window_pane_destroy(struct window_pane *);
static void window_pane_set_watermark(struct window_pane *, size_t);
static void window_pane_read_callback(struct bufferevent *, void *);
static void window_pane_error_callback(struct bufferevent *, short, void *);
@ -839,14 +837,6 @@ window_pane_destroy(struct window_pane *wp)
free(wp);
}
static void
window_pane_set_watermark(struct window_pane *wp, size_t size)
{
wp->wmark_hits = 0;
wp->wmark_size = size;
bufferevent_setwatermark(wp->event, EV_READ, 0, size);
}
int
window_pane_spawn(struct window_pane *wp, int argc, char **argv,
const char *path, const char *shell, const char *cwd, struct environ *env,
@ -954,7 +944,7 @@ window_pane_spawn(struct window_pane *wp, int argc, char **argv,
wp->event = bufferevent_new(wp->fd, window_pane_read_callback, NULL,
window_pane_error_callback, wp);
window_pane_set_watermark(wp, READ_FAST_SIZE);
bufferevent_setwatermark(wp->event, EV_READ, 0, READ_SIZE);
bufferevent_enable(wp->event, EV_READ|EV_WRITE);
free(cmd);
@ -970,26 +960,13 @@ window_pane_read_callback(__unused struct bufferevent *bufev, void *data)
char *new_data;
size_t new_size;
if (wp->wmark_size == READ_FAST_SIZE) {
if (size > READ_FULL_SIZE)
wp->wmark_hits++;
if (wp->wmark_hits == READ_CHANGE_HITS)
window_pane_set_watermark(wp, READ_SLOW_SIZE);
} else if (wp->wmark_size == READ_SLOW_SIZE) {
if (size < READ_EMPTY_SIZE)
wp->wmark_hits++;
if (wp->wmark_hits == READ_CHANGE_HITS)
window_pane_set_watermark(wp, READ_FAST_SIZE);
}
log_debug("%%%u has %zu bytes (of %u, %u hits)", wp->id, size,
wp->wmark_size, wp->wmark_hits);
new_size = size - wp->pipe_off;
if (wp->pipe_fd != -1 && new_size > 0) {
new_data = EVBUFFER_DATA(evb) + wp->pipe_off;
bufferevent_write(wp->pipe_event, new_data, new_size);
}
log_debug("%%%u has %zu bytes", wp->id, size);
input_parse(wp);
wp->pipe_off = EVBUFFER_LENGTH(evb);