Adding upstream version 1:2.3.21+dfsg1.upstream/1%2.3.21+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/src/lib/ioloop-notify-fd.c b/src/lib/ioloop-notify-fd.c
new file mode 100644
index 0000000..d3ec29b
--- /dev/null
+++ b/src/lib/ioloop-notify-fd.c
@@ -0,0 +1,55 @@
+/* Copyright (c) 2007-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "ioloop-private.h"
+#include "ioloop-notify-fd.h"
+
+#if defined(IOLOOP_NOTIFY_INOTIFY)
+
+struct io *io_notify_fd_add(struct ioloop_notify_fd_context *ctx, int fd,
+			    io_callback_t *callback, void *context)
+{
+	struct io_notify *io;
+
+	io = i_new(struct io_notify, 1);
+	io->io.condition = IO_NOTIFY;
+	io->io.callback = callback;
+	io->io.context = context;
+	io->io.ioloop = current_ioloop;
+	io->fd = fd;
+
+	if (ctx->notifies != NULL) {
+		ctx->notifies->prev = io;
+		io->next = ctx->notifies;
+	}
+	ctx->notifies = io;
+	return &io->io;
+}
+
+void io_notify_fd_free(struct ioloop_notify_fd_context *ctx,
+		       struct io_notify *io)
+{
+	if (io->prev != NULL)
+		io->prev->next = io->next;
+	else
+		ctx->notifies = io->next;
+
+	if (io->next != NULL)
+		io->next->prev = io->prev;
+	i_free(io);
+}
+
+struct io_notify *
+io_notify_fd_find(struct ioloop_notify_fd_context *ctx, int fd)
+{
+	struct io_notify *io;
+
+	for (io = ctx->notifies; io != NULL; io = io->next) {
+		if (io->fd == fd)
+			return io;
+	}
+
+	return NULL;
+}
+
+#endif