void *io_loop_return;
+struct io_alloc io_alloc = {
+ malloc, realloc, free
+};
+
#ifdef DEBUG
/* Set to skip the next plan. */
bool io_plan_nodebug;
case 1: /* Done: get next plan. */
if (timeout_active(conn))
backend_del_timeout(conn);
+ /* In case they call io_duplex, clear our poll flags so
+ * both sides don't seem to be both doing read or write
+ * (See assert(!mask || pfd->events != mask) in poll.c) */
+ conn->plan.pollflag = 0;
conn->plan.next(conn, conn->plan.next_arg);
break;
default:
void (*init)(int fd, void *arg),
void *arg)
{
- struct io_listener *l = malloc(sizeof(*l));
+ struct io_listener *l = io_alloc.alloc(sizeof(*l));
if (!l)
return NULL;
l->init = init;
l->arg = arg;
if (!add_listener(l)) {
- free(l);
+ io_alloc.free(l);
return NULL;
}
return l;
{
close(l->fd.fd);
del_listener(l);
- free(l);
+ io_alloc.free(l);
}
struct io_conn *io_new_conn_(int fd, struct io_plan plan)
{
- struct io_conn *conn = malloc(sizeof(*conn));
+ struct io_conn *conn = io_alloc.alloc(sizeof(*conn));
io_plan_debug_again();
conn->duplex = NULL;
conn->timeout = NULL;
if (!add_conn(conn)) {
- free(conn);
+ io_alloc.free(conn);
return NULL;
}
return conn;
assert(!old->duplex);
- conn = malloc(sizeof(*conn));
+ conn = io_alloc.alloc(sizeof(*conn));
if (!conn)
return NULL;
conn->finish_arg = NULL;
conn->timeout = NULL;
if (!add_duplex(conn)) {
- free(conn);
+ io_alloc.free(conn);
return NULL;
}
old->duplex = conn;
assert(cb);
if (!conn->timeout) {
- conn->timeout = malloc(sizeof(*conn->timeout));
+ conn->timeout = io_alloc.alloc(sizeof(*conn->timeout));
if (!conn->timeout)
return false;
} else
return plan;
}
+bool io_is_idle(const struct io_conn *conn)
+{
+ return conn->plan.io == NULL;
+}
+
void io_wake_(struct io_conn *conn, struct io_plan plan)
{
void io_ready(struct io_conn *conn)
{
+ /* Beware io_close_other! */
+ if (!conn->plan.next)
+ return;
+
set_current(conn);
switch (conn->plan.io(conn->fd.fd, &conn->plan)) {
case -1: /* Failure means a new plan: close up. */
case 1: /* Done: get next plan. */
if (timeout_active(conn))
backend_del_timeout(conn);
+ /* In case they call io_duplex, clear our poll flags so
+ * both sides don't seem to be both doing read or write
+ * (See assert(!mask || pfd->events != mask) in poll.c) */
+ conn->plan.pollflag = 0;
conn->plan = conn->plan.next(conn, conn->plan.next_arg);
backend_plan_changed(conn);
}
return io_close();
}
+void io_close_other(struct io_conn *conn)
+{
+ conn->plan = io_close_();
+ backend_plan_changed(conn);
+}
+
/* Exit the loop, returning this (non-NULL) arg. */
struct io_plan io_break_(void *ret, struct io_plan plan)
{
return plan;
}
+
+int io_conn_fd(const struct io_conn *conn)
+{
+ return conn->fd.fd;
+}
+
+void io_set_alloc(void *(*allocfn)(size_t size),
+ void *(*reallocfn)(void *ptr, size_t size),
+ void (*freefn)(void *ptr))
+{
+ io_alloc.alloc = allocfn;
+ io_alloc.realloc = reallocfn;
+ io_alloc.free = freefn;
+}