X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/blobdiff_plain/9bfaca620d7dca45f8c5b71c2dcc4e1329db7ffd..1fc8f7a47d7d6db0c7ef6f554595670124b319c5:/usb-driver.c

diff --git a/usb-driver.c b/usb-driver.c
index ddb2570..e2f275f 100644
--- a/usb-driver.c
+++ b/usb-driver.c
@@ -39,6 +39,8 @@
 #include <sys/ioctl.h>
 #include <sys/utsname.h>
 #include <bits/wordsize.h>
+#include <sys/ipc.h>
+#include <sys/sem.h>
 #include "usb-driver.h"
 #include "config.h"
 #include "xpcu.h"
@@ -56,13 +58,14 @@ static int modules_read = 0;
 
 #define NO_WINDRVR 1
 
-void hexdump(unsigned char *buf, int len) {
+void hexdump(unsigned char *buf, int len, char *prefix) {
 	int i;
 
+	fprintf(stderr, "%s ", prefix);
 	for(i=0; i<len; i++) {
 		fprintf(stderr,"%02x ", buf[i]);
 		if ((i % 16) == 15)
-			fprintf(stderr,"\n");
+			fprintf(stderr,"\n%s ", prefix);
 	}
 	fprintf(stderr,"\n");
 }
@@ -142,13 +145,13 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 				ut->dwUniqueID, ut->dwPipeNum, ut->fRead,
 				ut->dwOptions, ut->dwBufferSize, ut->dwTimeout);
 				if (ut->dwPipeNum == 0) {
-					DPRINTF("-> setup packet: ");
-					hexdump(ut->SetupPacket, 8);
+					DPRINTF("-> setup packet:");
+					hexdump(ut->SetupPacket, 8, "");
 				}
 
 				if (!ut->fRead && ut->dwBufferSize)
 				{
-					hexdump(ut->pBuffer, ut->dwBufferSize);
+					hexdump(ut->pBuffer, ut->dwBufferSize, "->");
 				}
 #endif
 
@@ -162,8 +165,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 				DPRINTF("Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write"));
 				if (ut->fRead && ut->dwBytesTransferred)
 				{
-					DPRINTF("<- Read: ");
-					hexdump(ut->pBuffer, ut->dwBytesTransferred);
+					hexdump(ut->pBuffer, ut->dwBytesTransferred, "<-");
 				}
 #endif
 			}
@@ -624,6 +626,29 @@ int access(const char *pathname, int mode) {
 	}
 }
 
+#if 0
+/* USB cable sharing needs to overload semop, TODO! */
+int semop (int __semid, struct sembuf *__sops, size_t __nsops) {
+	static int (*func) (int, struct sembuf*, size_t) = NULL;
+	int i;
+
+	if (!func)
+		func = (int (*) (int, struct sembuf*, size_t)) dlsym(RTLD_NEXT, "semop");
+	
+	fprintf(stderr,"semop: semid: 0x%X, elements: %d\n", __semid, __nsops);
+	for (i = 0; i < __nsops; i++) {
+		fprintf(stderr, " num: %u, op: %d, flg: %d\n", __sops[i].sem_num, __sops[i].sem_op, __sops[i].sem_flg);
+		if (__sops[i].sem_op < 0) {
+			fprintf(stderr, "SEMAPHORE LOCK\n");
+		} else {
+			fprintf(stderr, "SEMAPHORE UNLOCK\n");
+		}
+	}
+
+	return (*func)(__semid, __sops, __nsops);
+}
+#endif
+
 #if __WORDSIZE == 32
 int uname (struct utsname *__name) {
 	static int (*func) (struct utsname*);