summaryrefslogtreecommitdiff
path: root/recipes/libusb/libusb-0.1.10a/debian-changes.patch
blob: 6f79bc7950a9cdb13e0f548835644960dbc662f4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
diff -urN libusb_0.1.10a.orig/bsd.c libusb-0.1.10a/bsd.c
--- libusb_0.1.10a.orig/bsd.c	2004-02-18 08:34:52.000000000 +0100
+++ libusb-0.1.10a/bsd.c	2005-06-30 19:40:00.000000000 +0200
@@ -25,6 +25,10 @@
  * 	for both read and write.
  */
 
+#if defined(__FreeBSD__) && !defined(__FreeBSD_kernel__)
+#define __FreeBSD_kernel__ __FreeBSD__
+#endif
+
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
@@ -142,7 +146,7 @@
     USB_ERROR(-ENOMEM);
   dev->impl_info = info;
 
-#if __FreeBSD__
+#ifdef __FreeBSD_kernel__
   snprintf(ctlpath, PATH_MAX, "%s", dev->device->filename);
 #else
   snprintf(ctlpath, PATH_MAX, "%s.00", dev->device->filename);
@@ -255,7 +259,7 @@
   ep = UE_GET_ADDR(ep);
 
   if (info->ep_fd[ep] < 0) {
-#if __FreeBSD__
+#ifdef __FreeBSD_kernel__
     snprintf(buf, sizeof(buf) - 1, "%s.%d", dev->device->filename, ep);
 #else
     snprintf(buf, sizeof(buf) - 1, "%s.%02d", dev->device->filename, ep);
@@ -286,7 +290,7 @@
   fd = ensure_ep_open(dev, ep, O_WRONLY);
   if (fd < 0) {
     if (usb_debug >= 2) {
-#if __FreeBSD__
+#ifdef __FreeBSD_kernel__
       fprintf (stderr, "usb_bulk_write: got negative open file descriptor for endpoint %d\n", UE_GET_ADDR(ep));
 #else
       fprintf (stderr, "usb_bulk_write: got negative open file descriptor for endpoint %02d\n", UE_GET_ADDR(ep));
@@ -302,7 +306,7 @@
 
   ret = write(fd, bytes, size);
   if (ret < 0)
-#if __FreeBSD__
+#ifdef __FreeBSD_kernel__
     USB_ERROR_STR(-errno, "error writing to bulk endpoint %s.%d: %s",
                   dev->device->filename, UE_GET_ADDR(ep), strerror(errno));
 #else
@@ -324,7 +328,7 @@
   fd = ensure_ep_open(dev, ep, O_RDONLY);
   if (fd < 0) {
     if (usb_debug >= 2) {
-#if __FreeBSD__
+#ifdef __FreeBSD_kernel__
       fprintf (stderr, "usb_bulk_read: got negative open file descriptor for endpoint %d\n", UE_GET_ADDR(ep));
 #else
       fprintf (stderr, "usb_bulk_read: got negative open file descriptor for endpoint %02d\n", UE_GET_ADDR(ep));
@@ -343,7 +347,7 @@
 
   ret = read(fd, bytes, size);
   if (ret < 0)
-#if __FreeBSD__
+#ifdef __FreeBSD_kernel__
     USB_ERROR_STR(-errno, "error reading from bulk endpoint %s.%d: %s",
                   dev->device->filename, UE_GET_ADDR(ep), strerror(errno));
 #else
@@ -365,7 +369,7 @@
   fd = ensure_ep_open(dev, ep, O_WRONLY);
   if (fd < 0) {
     if (usb_debug >= 2) {
-#if __FreeBSD__
+#ifdef __FreeBSD_kernel__
       fprintf (stderr, "usb_interrupt_write: got negative open file descriptor for endpoint %d\n", UE_GET_ADDR(ep));
 #else
       fprintf (stderr, "usb_interrupt_write: got negative open file descriptor for endpoint %02d\n", UE_GET_ADDR(ep));
@@ -382,7 +386,7 @@
   do {
     ret = write(fd, bytes+sent, size-sent);
     if (ret < 0)
-#if __FreeBSD__
+#ifdef __FreeBSD_kernel__
       USB_ERROR_STR(-errno, "error writing to interrupt endpoint %s.%d: %s",
                     dev->device->filename, UE_GET_ADDR(ep), strerror(errno));
 #else
@@ -407,7 +411,7 @@
   fd = ensure_ep_open(dev, ep, O_RDONLY);
   if (fd < 0) {
     if (usb_debug >= 2) {
-#if __FreeBSD__
+#ifdef __FreeBSD_kernel__
       fprintf (stderr, "usb_interrupt_read: got negative open file descriptor for endpoint %d\n", UE_GET_ADDR(ep));
 #else
       fprintf (stderr, "usb_interrupt_read: got negative open file descriptor for endpoint %02d\n", UE_GET_ADDR(ep));
@@ -427,7 +431,7 @@
   do {
     ret = read(fd, bytes+retrieved, size-retrieved);
     if (ret < 0)
-#if __FreeBSD__
+#ifdef __FreeBSD_kernel__
       USB_ERROR_STR(-errno, "error reading from interrupt endpoint %s.%d: %s",
                     dev->device->filename, UE_GET_ADDR(ep), strerror(errno));
 #else
@@ -543,7 +547,7 @@
       /* best not to play with things we don't understand */
       continue;
 
-#if __FreeBSD__
+#ifdef __FreeBSD_kernel__
     snprintf(buf, sizeof(buf) - 1, "/dev/%s", di.udi_devnames[0]);
 #else
     snprintf(buf, sizeof(buf) - 1, "/dev/%s.00", di.udi_devnames[0]);
diff -urN libusb_0.1.10a.orig/linux.c libusb-0.1.10a/linux.c
--- libusb_0.1.10a.orig/linux.c	2005-02-11 03:16:10.000000000 +0100
+++ libusb-0.1.10a/linux.c	2005-06-30 19:40:00.000000000 +0200
@@ -156,6 +156,8 @@
   return ret;
 }
 
+#define URB_USERCONTEXT_COOKIE		((void *)0x1)
+
 /* Reading and writing are the same except for the endpoint */
 static int usb_urb_transfer(usb_dev_handle *dev, int ep, int urbtype,
 	char *bytes, int size, int timeout)
@@ -163,14 +165,16 @@
   struct usb_urb urb;
   unsigned int bytesdone = 0, requested;
   struct timeval tv, tv_ref, tv_now;
-  void *context;
+  struct usb_urb *context;
   int ret, waiting;
 
   /*
-   * FIXME: The use of the URB interface is incorrect here if there are
-   * multiple callers at the same time. We assume we're the only caller
-   * and if we get completions from another caller, this code will fail
-   * in interesting ways.
+   * HACK: The use of urb.usercontext is a hack to get threaded applications
+   * sort of working again. Threaded support is still not recommended, but
+   * this should allow applications to work in the common cases. Basically,
+   * if we get the completion for an URB we're not waiting for, then we update
+   * the usercontext pointer to 1 for the other threads URB and it will see
+   * the change after it wakes up from the the timeout. Ugly, but it works.
    */
 
   /*
@@ -198,10 +202,10 @@
     urb.flags = 0;
     urb.buffer = bytes + bytesdone;
     urb.buffer_length = requested;
-    urb.usercontext = (void *)ep;
     urb.signr = 0;
     urb.actual_length = 0;
     urb.number_of_packets = 0;	/* don't do isochronous yet */
+    urb.usercontext = NULL;
 
     ret = ioctl(dev->fd, IOCTL_USB_SUBMITURB, &urb);
     if (ret < 0) {
@@ -212,18 +216,28 @@
     FD_ZERO(&writefds);
     FD_SET(dev->fd, &writefds);
 
+restart:
     waiting = 1;
-    while (((ret = ioctl(dev->fd, IOCTL_USB_REAPURBNDELAY, &context)) == -1) && waiting) {
+    context = NULL;
+    while (!urb.usercontext && ((ret = ioctl(dev->fd, IOCTL_USB_REAPURBNDELAY, &context)) == -1) && waiting) {
       tv.tv_sec = 0;
       tv.tv_usec = 1000; // 1 msec
       select(dev->fd + 1, NULL, &writefds, NULL, &tv); //sub second wait
 
-      /* compare with actual time, as the select timeout is not that precise */
-      gettimeofday(&tv_now, NULL);
+      if (timeout) {
+        /* compare with actual time, as the select timeout is not that precise */
+        gettimeofday(&tv_now, NULL);
+
+        if ((tv_now.tv_sec > tv_ref.tv_sec) ||
+            ((tv_now.tv_sec == tv_ref.tv_sec) && (tv_now.tv_usec >= tv_ref.tv_usec)))
+          waiting = 0;
+      }
+    }
 
-      if ((tv_now.tv_sec > tv_ref.tv_sec) ||
-          ((tv_now.tv_sec == tv_ref.tv_sec) && (tv_now.tv_usec >= tv_ref.tv_usec)))
-        waiting = 0;
+    if (context && context != &urb) {
+      context->usercontext = URB_USERCONTEXT_COOKIE;
+      /* We need to restart since we got a successful URB, but not ours */
+      goto restart;
     }
 
     /*
@@ -231,14 +245,14 @@
      * something happened during the reaping and we should return that
      * error now
      */
-    if (ret < 0 && errno != EAGAIN)
+    if (ret < 0 && !urb.usercontext && errno != EAGAIN)
       USB_ERROR_STR(-errno, "error reaping URB: %s", strerror(errno));
 
     bytesdone += urb.actual_length;
-  } while (ret == 0 && bytesdone < size && urb.actual_length == requested);
+  } while ((ret == 0 || urb.usercontext) && bytesdone < size && urb.actual_length == requested);
 
   /* If the URB didn't complete in success or error, then let's unlink it */
-  if (ret < 0) {
+  if (ret < 0 && !urb.usercontext) {
     int rc;
 
     if (!waiting)
diff -urN libusb_0.1.10a.orig/usb.h.in libusb-0.1.10a/usb.h.in
--- libusb_0.1.10a.orig/usb.h.in	2004-08-03 20:20:38.000000000 +0200
+++ libusb-0.1.10a/usb.h.in	2005-06-30 19:40:00.000000000 +0200
@@ -13,8 +13,9 @@
 
 #include <unistd.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include <limits.h>
-
+#include <sys/param.h>
 #include <dirent.h>
 
 /*
@@ -63,40 +64,40 @@
 
 /* All standard descriptors have these 2 fields in common */
 struct usb_descriptor_header {
-	u_int8_t  bLength;
-	u_int8_t  bDescriptorType;
-};
+	uint8_t  bLength;
+	uint8_t  bDescriptorType;
+} __attribute__ ((packed));
 
 /* String descriptor */
 struct usb_string_descriptor {
-	u_int8_t  bLength;
-	u_int8_t  bDescriptorType;
-	u_int16_t wData[1];
-};
+	uint8_t  bLength;
+	uint8_t  bDescriptorType;
+	uint16_t wData[1];
+} __attribute__ ((packed));
 
 /* HID descriptor */
 struct usb_hid_descriptor {
-	u_int8_t  bLength;
-	u_int8_t  bDescriptorType;
-	u_int16_t bcdHID;
-	u_int8_t  bCountryCode;
-	u_int8_t  bNumDescriptors;
-	/* u_int8_t  bReportDescriptorType; */
-	/* u_int16_t wDescriptorLength; */
+	uint8_t  bLength;
+	uint8_t  bDescriptorType;
+	uint16_t bcdHID;
+	uint8_t  bCountryCode;
+	uint8_t  bNumDescriptors;
+	/* uint8_t  bReportDescriptorType; */
+	/* uint16_t wDescriptorLength; */
 	/* ... */
-};
+} __attribute__ ((packed));
 
 /* Endpoint descriptor */
 #define USB_MAXENDPOINTS	32
 struct usb_endpoint_descriptor {
-	u_int8_t  bLength;
-	u_int8_t  bDescriptorType;
-	u_int8_t  bEndpointAddress;
-	u_int8_t  bmAttributes;
-	u_int16_t wMaxPacketSize;
-	u_int8_t  bInterval;
-	u_int8_t  bRefresh;
-	u_int8_t  bSynchAddress;
+	uint8_t  bLength __attribute__ ((packed));
+	uint8_t  bDescriptorType __attribute__ ((packed));
+	uint8_t  bEndpointAddress __attribute__ ((packed));
+	uint8_t  bmAttributes __attribute__ ((packed));
+	uint16_t wMaxPacketSize __attribute__ ((packed));
+	uint8_t  bInterval __attribute__ ((packed));
+	uint8_t  bRefresh __attribute__ ((packed));
+	uint8_t  bSynchAddress __attribute__ ((packed));
 
 	unsigned char *extra;	/* Extra descriptors */
 	int extralen;
@@ -114,15 +115,15 @@
 /* Interface descriptor */
 #define USB_MAXINTERFACES	32
 struct usb_interface_descriptor {
-	u_int8_t  bLength;
-	u_int8_t  bDescriptorType;
-	u_int8_t  bInterfaceNumber;
-	u_int8_t  bAlternateSetting;
-	u_int8_t  bNumEndpoints;
-	u_int8_t  bInterfaceClass;
-	u_int8_t  bInterfaceSubClass;
-	u_int8_t  bInterfaceProtocol;
-	u_int8_t  iInterface;
+	uint8_t  bLength __attribute__ ((packed));;
+	uint8_t  bDescriptorType __attribute__ ((packed));;
+	uint8_t  bInterfaceNumber __attribute__ ((packed));;
+	uint8_t  bAlternateSetting __attribute__ ((packed));;
+	uint8_t  bNumEndpoints __attribute__ ((packed));;
+	uint8_t  bInterfaceClass __attribute__ ((packed));;
+	uint8_t  bInterfaceSubClass __attribute__ ((packed));;
+	uint8_t  bInterfaceProtocol __attribute__ ((packed));;
+	uint8_t  iInterface __attribute__ ((packed));;
 
 	struct usb_endpoint_descriptor *endpoint;
 
@@ -140,14 +141,14 @@
 /* Configuration descriptor information.. */
 #define USB_MAXCONFIG		8
 struct usb_config_descriptor {
-	u_int8_t  bLength;
-	u_int8_t  bDescriptorType;
-	u_int16_t wTotalLength;
-	u_int8_t  bNumInterfaces;
-	u_int8_t  bConfigurationValue;
-	u_int8_t  iConfiguration;
-	u_int8_t  bmAttributes;
-	u_int8_t  MaxPower;
+	uint8_t  bLength __attribute__ ((packed));
+	uint8_t  bDescriptorType __attribute__ ((packed));
+	uint16_t wTotalLength __attribute__ ((packed));
+	uint8_t  bNumInterfaces __attribute__ ((packed));
+	uint8_t  bConfigurationValue __attribute__ ((packed));
+	uint8_t  iConfiguration __attribute__ ((packed));
+	uint8_t  bmAttributes __attribute__ ((packed));
+	uint8_t  MaxPower __attribute__ ((packed));
 
 	struct usb_interface *interface;
 
@@ -157,29 +158,29 @@
 
 /* Device descriptor */
 struct usb_device_descriptor {
-	u_int8_t  bLength;
-	u_int8_t  bDescriptorType;
-	u_int16_t bcdUSB;
-	u_int8_t  bDeviceClass;
-	u_int8_t  bDeviceSubClass;
-	u_int8_t  bDeviceProtocol;
-	u_int8_t  bMaxPacketSize0;
-	u_int16_t idVendor;
-	u_int16_t idProduct;
-	u_int16_t bcdDevice;
-	u_int8_t  iManufacturer;
-	u_int8_t  iProduct;
-	u_int8_t  iSerialNumber;
-	u_int8_t  bNumConfigurations;
-};
+	uint8_t  bLength;
+	uint8_t  bDescriptorType;
+	uint16_t bcdUSB;
+	uint8_t  bDeviceClass;
+	uint8_t  bDeviceSubClass;
+	uint8_t  bDeviceProtocol;
+	uint8_t  bMaxPacketSize0;
+	uint16_t idVendor;
+	uint16_t idProduct;
+	uint16_t bcdDevice;
+	uint8_t  iManufacturer;
+	uint8_t  iProduct;
+	uint8_t  iSerialNumber;
+	uint8_t  bNumConfigurations;
+} __attribute__ ((packed));
 
 struct usb_ctrl_setup {
-	u_int8_t  bRequestType;
-	u_int8_t  bRequest;
-	u_int16_t wValue;
-	u_int16_t wIndex;
-	u_int16_t wLength;
-};
+	uint8_t  bRequestType;
+	uint8_t  bRequest;
+	uint16_t wValue;
+	uint16_t wIndex;
+	uint16_t wLength;
+} __attribute__ ((packed));
 
 /*
  * Standard requests
@@ -249,7 +250,7 @@
 
   void *dev;		/* Darwin support */
 
-  u_int8_t devnum;
+  uint8_t devnum;
 
   unsigned char num_children;
   struct usb_device **children;
@@ -261,7 +262,7 @@
   char dirname[PATH_MAX + 1];
 
   struct usb_device *devices;
-  u_int32_t location;
+  uint32_t location;
 
   struct usb_device *root_dev;
 };