1 files changed, 59 insertions, 0 deletions
diff --git a/libusb/os/events_posix.h b/libusb/os/events_posix.h
new file mode 100644
index 0000000..d81b5c4
--- /dev/null
+++ b/libusb/os/events_posix.h
@@ -0,0 +1,59 @@
+/*
+ * libusb event abstraction on POSIX platforms
+ *
+ * Copyright © 2020 Chris Dickens <christopher.a.dickens@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef LIBUSB_EVENTS_POSIX_H
+#define LIBUSB_EVENTS_POSIX_H
+
+#include <poll.h>
+
+typedef int usbi_os_handle_t;
+#define USBI_OS_HANDLE_FORMAT_STRING	"fd %d"
+
+#ifdef HAVE_EVENTFD
+typedef struct usbi_event {
+	int eventfd;
+} usbi_event_t;
+#define USBI_EVENT_OS_HANDLE(e)	((e)->eventfd)
+#define USBI_EVENT_POLL_EVENTS	POLLIN
+#define USBI_INVALID_EVENT	{ -1 }
+#else
+typedef struct usbi_event {
+	int pipefd[2];
+} usbi_event_t;
+#define USBI_EVENT_OS_HANDLE(e)	((e)->pipefd[0])
+#define USBI_EVENT_POLL_EVENTS	POLLIN
+#define USBI_INVALID_EVENT	{ { -1, -1 } }
+#endif
+
+#ifdef HAVE_TIMERFD
+#define HAVE_OS_TIMER 1
+typedef struct usbi_timer {
+	int timerfd;
+} usbi_timer_t;
+#define USBI_TIMER_OS_HANDLE(t)	((t)->timerfd)
+#define USBI_TIMER_POLL_EVENTS	POLLIN
+
+static inline int usbi_timer_valid(usbi_timer_t *timer)
+{
+	return timer->timerfd >= 0;
+}
+#endif
+
+#endif