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wayland: wayl_flush: re-initialize fd array before each poll

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Daniel Eklöf 2020-01-04 23:36:32 +01:00
parent 11d381f0c3
commit ae82939158
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GPG key ID: 5BBD4992C116573F
1 changed files with 13 additions and 5 deletions
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18
wayland.c
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@ -1004,22 +1004,30 @@ wayl_flush(struct wayland *wayl)
{
while (true) {
int r = wl_display_flush(wayl->display);
if (r >= 0)
if (r >= 0) {
/* Most likely code path - the flush succeed */
return;
}
if (errno == EINTR)
if (errno == EINTR) {
/* Unlikely */
continue;
}
if (errno != EAGAIN) {
LOG_ERRNO("failed to flush wayland socket");
return;
}
struct pollfd fds[] = {
{.fd = wl_display_get_fd(wayl->display), .events = POLLOUT}
};
/* Socket buffer is full - need to wait for it to become
writeable again */
assert(errno == EAGAIN);
while (true) {
struct pollfd fds[] = {
{.fd = wl_display_get_fd(wayl->display), .events = POLLOUT},
};
r = poll(fds, sizeof(fds) / sizeof(fds[0]), -1);
if (r < 0) {