Compilable rusb for linux

1 files changed, 0 insertions, 214 deletions

diff --git a/src/os/events_windows.c b/src/os/events_windows.c
deleted file mode 100644
index f22bebc..0000000
--- a/src/os/events_windows.c
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- * libusb event abstraction on Microsoft Windows
- *
- * 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
- */
-
-#include <config.h>
-
-#include "libusbi.h"
-#include "windows_common.h"
-
-int usbi_create_event(usbi_event_t *event)
-{
-	event->hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
-	if (event->hEvent == NULL) {
-		usbi_err(NULL, "CreateEvent failed: %s", windows_error_str(0));
-		return LIBUSB_ERROR_OTHER;
-	}
-
-	return 0;
-}
-
-void usbi_destroy_event(usbi_event_t *event)
-{
-	if (!CloseHandle(event->hEvent))
-		usbi_warn(NULL, "CloseHandle failed: %s", windows_error_str(0));
-}
-
-void usbi_signal_event(usbi_event_t *event)
-{
-	if (!SetEvent(event->hEvent))
-		usbi_warn(NULL, "SetEvent failed: %s", windows_error_str(0));
-}
-
-void usbi_clear_event(usbi_event_t *event)
-{
-	if (!ResetEvent(event->hEvent))
-		usbi_warn(NULL, "ResetEvent failed: %s", windows_error_str(0));
-}
-
-#ifdef HAVE_OS_TIMER
-int usbi_create_timer(usbi_timer_t *timer)
-{
-	timer->hTimer = CreateWaitableTimer(NULL, TRUE, NULL);
-	if (timer->hTimer == NULL) {
-		usbi_warn(NULL, "CreateWaitableTimer failed: %s", windows_error_str(0));
-		return LIBUSB_ERROR_OTHER;
-	}
-
-	return 0;
-}
-
-void usbi_destroy_timer(usbi_timer_t *timer)
-{
-	if (!CloseHandle(timer->hTimer))
-		usbi_warn(NULL, "CloseHandle failed: %s", windows_error_str(0));
-}
-
-int usbi_arm_timer(usbi_timer_t *timer, const struct timespec *timeout)
-{
-	struct timespec systime, remaining;
-	FILETIME filetime;
-	LARGE_INTEGER dueTime;
-
-	/* Transfer timeouts are based on the monotonic clock and the waitable
-	 * timers on the system clock. This requires a conversion between the
-	 * two, so we calculate the remaining time relative to the monotonic
-	 * clock and calculate an absolute system time for the timer expiration.
-	 * Note that if the timeout has already passed, the remaining time will
-	 * be negative and thus an absolute system time in the past will be set.
-	 * This works just as intended because the timer becomes signalled
-	 * immediately. */
-	usbi_get_monotonic_time(&systime);
-
-	TIMESPEC_SUB(timeout, &systime, &remaining);
-
-	GetSystemTimeAsFileTime(&filetime);
-	dueTime.LowPart = filetime.dwLowDateTime;
-	dueTime.HighPart = filetime.dwHighDateTime;
-	dueTime.QuadPart += (remaining.tv_sec * 10000000LL) + (remaining.tv_nsec / 100LL);
-
-	if (!SetWaitableTimer(timer->hTimer, &dueTime, 0, NULL, NULL, FALSE)) {
-		usbi_warn(NULL, "SetWaitableTimer failed: %s", windows_error_str(0));
-		return LIBUSB_ERROR_OTHER;
-	}
-
-	return 0;
-}
-
-int usbi_disarm_timer(usbi_timer_t *timer)
-{
-	LARGE_INTEGER dueTime;
-
-	/* A manual-reset waitable timer will stay in the signalled state until
-	 * another call to SetWaitableTimer() is made. It is possible that the
-	 * timer has already expired by the time we come in to disarm it, so to
-	 * be entirely sure the timer is disarmed and not in the signalled state,
-	 * we will set it with an impossibly large expiration and immediately
-	 * cancel. */
-	dueTime.QuadPart = LLONG_MAX;
-	if (!SetWaitableTimer(timer->hTimer, &dueTime, 0, NULL, NULL, FALSE)) {
-		usbi_warn(NULL, "SetWaitableTimer failed: %s", windows_error_str(0));
-		return LIBUSB_ERROR_OTHER;
-	}
-
-	if (!CancelWaitableTimer(timer->hTimer)) {
-		usbi_warn(NULL, "SetWaitableTimer failed: %s", windows_error_str(0));
-		return LIBUSB_ERROR_OTHER;
-	}
-
-	return 0;
-}
-#endif
-
-int usbi_alloc_event_data(struct libusb_context *ctx)
-{
-	struct usbi_event_source *ievent_source;
-	HANDLE *handles;
-	size_t i = 0;
-
-	/* Event sources are only added during usbi_io_init(). We should not
-	 * be running this function again if the event data has already been
-	 * allocated. */
-	if (ctx->event_data) {
-		usbi_warn(ctx, "program assertion failed - event data already allocated");
-		return LIBUSB_ERROR_OTHER;
-	}
-
-	ctx->event_data_cnt = 0;
-	for_each_event_source(ctx, ievent_source)
-		ctx->event_data_cnt++;
-
-	/* We only expect up to two HANDLEs to wait on, one for the internal
-	 * signalling event and the other for the timer. */
-	if (ctx->event_data_cnt != 1 && ctx->event_data_cnt != 2) {
-		usbi_err(ctx, "program assertion failed - expected exactly 1 or 2 HANDLEs");
-		return LIBUSB_ERROR_OTHER;
-	}
-
-	handles = calloc(ctx->event_data_cnt, sizeof(HANDLE));
-	if (!handles)
-		return LIBUSB_ERROR_NO_MEM;
-
-	for_each_event_source(ctx, ievent_source) {
-		handles[i] = ievent_source->data.os_handle;
-		i++;
-	}
-
-	ctx->event_data = handles;
-	return 0;
-}
-
-int usbi_wait_for_events(struct libusb_context *ctx,
-	struct usbi_reported_events *reported_events, int timeout_ms)
-{
-	HANDLE *handles = ctx->event_data;
-	DWORD num_handles = (DWORD)ctx->event_data_cnt;
-	DWORD result;
-
-	usbi_dbg(ctx, "WaitForMultipleObjects() for %lu HANDLEs with timeout in %dms", ULONG_CAST(num_handles), timeout_ms);
-	result = WaitForMultipleObjects(num_handles, handles, FALSE, (DWORD)timeout_ms);
-	usbi_dbg(ctx, "WaitForMultipleObjects() returned %lu", ULONG_CAST(result));
-	if (result == WAIT_TIMEOUT) {
-		if (usbi_using_timer(ctx))
-			goto done;
-		return LIBUSB_ERROR_TIMEOUT;
-	} else if (result == WAIT_FAILED) {
-		usbi_err(ctx, "WaitForMultipleObjects() failed: %s", windows_error_str(0));
-		return LIBUSB_ERROR_IO;
-	}
-
-	result -= WAIT_OBJECT_0;
-
-	/* handles[0] is always the internal signalling event */
-	if (result == 0)
-		reported_events->event_triggered = 1;
-	else
-		reported_events->event_triggered = 0;
-
-#ifdef HAVE_OS_TIMER
-	/* on timer configurations, handles[1] is the timer */
-	if (usbi_using_timer(ctx)) {
-		/* The WaitForMultipleObjects() function reports the index of
-		 * the first object that became signalled. If the internal
-		 * signalling event was reported, we need to also check and
-		 * report whether the timer is in the signalled state. */
-		if (result == 1 || WaitForSingleObject(handles[1], 0) == WAIT_OBJECT_0)
-			reported_events->timer_triggered = 1;
-		else
-			reported_events->timer_triggered = 0;
-	} else {
-		reported_events->timer_triggered = 0;
-	}
-#endif
-
-done:
-	/* no events are ever reported to the backend */
-	reported_events->num_ready = 0;
-	return LIBUSB_SUCCESS;
-}