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connection: Just look at buffer size and remove redundant n_fds_out

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Instead of maintaining a count of the fds in the buffer, just compute
that from the buffer size.  That way we don't get out of sync.
This commit is contained in:
Kristian Høgsberg 2012-03-23 00:48:19 -04:00
parent cab70c9e5d
commit 1c5578e87f
1 changed files with 7 additions and 5 deletions
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12
src/connection.c
View file

@ -62,7 +62,6 @@ struct wl_closure {
struct wl_connection {
struct wl_buffer in, out;
struct wl_buffer fds_in, fds_out;
int n_fds_out;
int fd;
void *data;
wl_connection_update_func_t update;
@ -158,6 +157,12 @@ wl_buffer_copy(struct wl_buffer *b, void *data, size_t count)
}
}
static int
wl_buffer_size(struct wl_buffer *b)
{
return b->head - b->tail;
}
struct wl_connection *
wl_connection_create(int fd,
wl_connection_update_func_t update,
@ -287,7 +292,6 @@ wl_connection_data(struct wl_connection *connection, uint32_t mask)
}
close_fds(&connection->fds_out);
connection->n_fds_out = 0;
connection->out.tail += len;
if (connection->out.tail == connection->out.head &&
@ -397,13 +401,11 @@ wl_message_size_extra(const struct wl_message *message)
static int
wl_connection_put_fd(struct wl_connection *connection, int32_t fd)
{
if (connection->n_fds_out + 1 > MAX_FDS_OUT) {
if (wl_buffer_size(&connection->fds_out) == MAX_FDS_OUT * sizeof fd)
if (wl_connection_data(connection, WL_CONNECTION_WRITABLE))
return -1;
}
wl_buffer_put(&connection->fds_out, &fd, sizeof fd);
connection->n_fds_out++;
return 0;
}