1 files changed, 88 insertions, 0 deletions
diff --git a/src/libmowgli/eventloop/pollable.c b/src/libmowgli/eventloop/pollable.c
new file mode 100644
index 0000000..e2c2e2a
--- /dev/null
+++ b/src/libmowgli/eventloop/pollable.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2011 William Pitcock <nenolod@dereferenced.org>.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "mowgli.h"
+
+static mowgli_heap_t *pollable_heap = NULL;
+
+mowgli_eventloop_pollable_t *mowgli_pollable_create(mowgli_eventloop_t *eventloop, mowgli_descriptor_t fd, void *userdata)
+{
+	mowgli_eventloop_pollable_t *pollable;
+
+	return_val_if_fail(eventloop != NULL, NULL);
+
+	if (pollable_heap == NULL)
+		pollable_heap = mowgli_heap_create(sizeof(mowgli_eventloop_pollable_t), 16, BH_NOW);
+
+	pollable = mowgli_heap_alloc(pollable_heap);
+
+	pollable->eventloop = eventloop;
+	pollable->type.type = MOWGLI_EVENTLOOP_TYPE_POLLABLE;
+	pollable->fd = fd;
+	pollable->userdata = userdata;
+
+	return pollable;
+}
+
+void mowgli_pollable_destroy(mowgli_eventloop_t *eventloop, mowgli_eventloop_pollable_t *pollable)
+{
+	return_if_fail(eventloop != NULL);
+	return_if_fail(pollable != NULL);
+
+	/* unregister any interest in the pollable. */
+	eventloop->eventloop_ops->destroy(eventloop, pollable);
+
+	mowgli_heap_free(pollable_heap, pollable);
+}
+
+void mowgli_pollable_setselect(mowgli_eventloop_t *eventloop, mowgli_eventloop_pollable_t *pollable, mowgli_eventloop_io_dir_t dir, mowgli_eventloop_io_cb_t *event_function)
+{
+	return_if_fail(eventloop != NULL);
+	return_if_fail(pollable != NULL);
+	return_if_fail(eventloop->eventloop_ops != NULL);
+
+	eventloop->eventloop_ops->setselect(eventloop, pollable, dir, event_function);
+}
+
+void mowgli_pollable_set_nonblocking(mowgli_eventloop_pollable_t *pollable, bool nonblocking)
+{
+#if defined(HAVE_FCNTL)
+	unsigned long flags;
+
+	return_if_fail(pollable != NULL);
+
+	flags = fcntl(pollable->fd, F_GETFL);
+
+	if (nonblocking)
+		flags |= O_NONBLOCK;
+	else
+		flags &= ~O_NONBLOCK;
+
+	fcntl(pollable->fd, F_SETFL, flags);
+#elif defined(HAVE_WINSOCK2_H)
+	u_long mode;
+
+	return_if_fail(pollable != NULL);
+
+	mode = nonblocking;
+
+	ioctlsocket(pollable->fd, FIONBIO, &mode);
+#endif
+}