mirror of
https://github.com/dolphin-emu/dolphin.git
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52 lines
1.7 KiB
Diff
52 lines
1.7 KiB
Diff
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From 3abc288e02089b3143547177e027d3820e5d7e59 Mon Sep 17 00:00:00 2001
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From: Vincent Duvert <vincent@duvert.net>
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Date: Sun, 7 Jan 2018 11:14:51 +0100
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Subject: [PATCH 2/2] macOS: Add errno setting in set_report (HID)
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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IsDeviceUsable in IOhidapi.cpp uses errno to detect if hid_write failed because of an unconnected Wiimote on a Dolphinbar (it expects errno == EPIPE in this case).
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macOS’s implementation of hid_write detected this specific error (IOHIDDeviceSetReport returns kUSBHostReturnPipeStalled) but didn’t set errno so the check failed.
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This add errno assignment to failure cases of macOS’s hid_write.
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---
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Externals/hidapi/mac/hid.c | 13 ++++++++++---
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1 file changed, 10 insertions(+), 3 deletions(-)
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diff --git a/Externals/hidapi/mac/hid.c b/Externals/hidapi/mac/hid.c
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index 46a97886d7..70b615d40d 100644
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--- a/Externals/hidapi/mac/hid.c
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+++ b/Externals/hidapi/mac/hid.c
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@@ -773,8 +773,10 @@ static int set_report(hid_device *dev, IOHIDReportType type, const unsigned char
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IOReturn res;
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/* Return if the device has been disconnected. */
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- if (dev->disconnected)
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+ if (dev->disconnected) {
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+ errno = ENODEV;
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return -1;
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+ }
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if (data[0] == 0x0) {
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/* Not using numbered Reports.
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@@ -797,9 +799,14 @@ static int set_report(hid_device *dev, IOHIDReportType type, const unsigned char
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if (res == kIOReturnSuccess) {
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return length;
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- }
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- else
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+ } else if (res == (IOReturn)0xe0005000) {
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+ /* Kernel.framework's IOUSBHostFamily.h defines this error as kUSBHostReturnPipeStalled */
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+ errno = EPIPE;
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+ return -1;
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+ } else {
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+ errno = EBUSY;
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return -1;
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+ }
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}
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return -1;
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--
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2.14.3 (Apple Git-98)
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