jackcartersmith/xilinx-usb-driver
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be a bit more intelligent in 'interrupt' handling

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This commit is contained in:
michael 2007-02-25 14:10:06 +00:00
parent f1405f1379
commit 9ba1e383d1
1 changed files with 4 additions and 1 deletions
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5
usb-driver.c
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@ -36,6 +36,7 @@
#include <usb.h> #include <usb.h>
#include <signal.h> #include <signal.h>
#include <pthread.h> #include <pthread.h>
#include <errno.h>
#include "usb-driver.h" #include "usb-driver.h"
static int (*ioctl_func) (int, int, void *) = NULL; static int (*ioctl_func) (int, int, void *) = NULL;
@ -330,6 +331,7 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
it->dwLost, it->fStopped); it->dwLost, it->fStopped);
it->fEnableOk = 1; it->fEnableOk = 1;
it->fStopped = 0;
ints_enabled = 1; ints_enabled = 1;
pthread_mutex_trylock(&int_wait); pthread_mutex_trylock(&int_wait);
} }
@ -351,7 +353,8 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
it->dwCounter = 0; it->dwCounter = 0;
it->fStopped = 1; it->fStopped = 1;
ints_enabled = 0; ints_enabled = 0;
pthread_mutex_unlock(&int_wait); if (pthread_mutex_trylock(&int_wait) == EBUSY)
pthread_mutex_unlock(&int_wait);
#endif #endif
DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", DPRINTF("Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n",
it->hInterrupt, it->dwOptions, it->hInterrupt, it->dwOptions,