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path: fix detection of polling mode

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This commit is contained in:
Steffen Vogel 2019-01-30 01:57:20 +01:00
parent bf12c174f2
commit 5fc38bb898
1 changed files with 10 additions and 4 deletions
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14
lib/path.c
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@ -641,12 +641,18 @@ int path_parse(struct path *p, json_t *cfg, struct vlist *nodes)
/* Autodetect whether to use poll() for this path or not */
if (p->poll == -1) {
struct path_source *ps = (struct path_source *) vlist_at(&p->sources, 0);
if (p->rate > 0)
p->poll = 1;
else if (vlist_length(&p->sources) > 1)
p->poll = 1;
else {
struct path_source *ps = (struct path_source *) vlist_at(&p->sources, 0);
int fds[16];
int num_fds = node_poll_fds(ps->node, fds);
int fds[16];
int num_fds = node_poll_fds(ps->node, fds);
p->poll = (p->rate > 0 || vlist_length(&p->sources) > 1) && num_fds > 0;
p->poll = num_fds > 0;
}
}
ret = vlist_destroy(&sources, NULL, false);