#include "fatal-signal.h"
#include "list.h"
#include "timeval.h"
-
-#define THIS_MODULE VLM_poll_loop
#include "vlog.h"
+VLOG_DEFINE_THIS_MODULE(poll_loop);
+
/* An event that will wake the following call to poll_block(). */
struct poll_waiter {
/* Set when the waiter is created. */
: msec);
}
+/* Causes the following call to poll_block() to wake up when the current time,
+ * as returned by time_msec(), reaches 'msec' or later. If 'msec' is earlier
+ * than the current time, the following call to poll_block() will not block at
+ * all.
+ *
+ * The timer registration is one-shot: only the following call to poll_block()
+ * is affected. The timer will need to be re-registered after poll_block() is
+ * called if it is to persist. */
+void
+poll_timer_wait_until(long long int msec)
+{
+ long long int now = time_msec();
+ poll_timer_wait__(msec <= now ? 0
+ : msec < now + INT_MAX ? msec - now
+ : INT_MAX);
+}
+
/* Causes the following call to poll_block() to wake up immediately, without
* blocking. */
void
}
n_pollfds = 0;
- LIST_FOR_EACH (pw, struct poll_waiter, node, &waiters) {
+ LIST_FOR_EACH (pw, node, &waiters) {
pw->pollfd = &pollfds[n_pollfds];
pollfds[n_pollfds].fd = pw->fd;
pollfds[n_pollfds].events = pw->events;
log_wakeup(&timeout_backtrace, "%d-ms timeout", timeout);
}
- LIST_FOR_EACH_SAFE (pw, next, struct poll_waiter, node, &waiters) {
+ LIST_FOR_EACH_SAFE (pw, next, node, &waiters) {
if (pw->pollfd->revents && VLOG_IS_DBG_ENABLED()) {
log_wakeup(pw->backtrace, "%s%s%s%s%s on fd %d",
pw->pollfd->revents & POLLIN ? "[POLLIN]" : "",