void dnx_mutex_uninit(dnx_mutex_t *mutex)
{
DNX_ASSERT(NULL != mutex);
DNX_ASSERT(TRUE == mutex->created);
_dnx_mutex_uninit(mutex);
}
static void dnx_mutex_operation(dnx_mutex_t *mutex, int lock)
{
int rc = 0;
DNX_ASSERT(NULL != mutex);
rc = lock ? pthread_mutex_lock(&mutex->os_mutex) :
pthread_mutex_unlock(&mutex->os_mutex);
DNX_ASSERT (0 == rc);
}
void dnx_thread_exit(dnx_thread_t *thread)
{
dnx_status_t rc = DNX_ERR_OK;
DNX_ASSERT(NULL != thread);
DNX_ASSERT(FALSE == thread->should_exit);
thread->should_exit = TRUE;
rc = dnx_event_wait(&thread->event, DNX_WAIT_FOREVER);
DNX_ASSERT(DNX_ERR_OK == rc);
dnx_event_uninit(&thread->event);
}
void dnx_event_set(dnx_event_t *event)
{
DNX_ASSERT(NULL != event);
event->wait_flag = 1;
wake_up(&event->wait_queue);
}
void dnx_rmlock_uninit(dnx_rmlock_t *lock)
{
DNX_ASSERT(NULL != lock);
if (TRUE == lock->event_initialized)
dnx_event_uninit(&lock->event);
}
dnx_status_t dnx_rmlock_add_ex(dnx_rmlock_t *lock, uint32_t count)
{
DNX_ASSERT(NULL != lock);
dnx_atomic32_add(&lock->cnt, count);
return DNX_ERR_OK;
}
void dnx_thread_exit(dnx_thread_t *thread)
{
DNX_ASSERT(NULL != thread);
thread->should_exit = TRUE;
WaitForSingleObject(thread->hthread, INFINITE);
}
void dnx_log(const char *func, uint32_t line,
dnx_log_level_t level, const char *fmt, ...)
{
char buff[DNX_MAX_LOG_BUFF] = {0};
int n = 0, offset = 0;
va_list va;
if (log_flags & DNX_LOG_FLAG_TIMESTAMP)
{
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "[%010u] ",
dnx_timestamp());
if (n >= DNX_MAX_LOG_BUFF - offset)
{
goto Exit;
}
offset += n;
}
switch (level) {
case DNX_LOG_LEVEL_ERROR:
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "Error: ");
break;
case DNX_LOG_LEVEL_WARNING:
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "Warning: ");
break;
case DNX_LOG_LEVEL_INFO:
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "Info: ");
break;
case DNX_LOG_LEVEL_EXTRA:
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "Extra: ");
break;
default:
DNX_ASSERT(0);
}
if (n >= DNX_MAX_LOG_BUFF - offset)
{
goto Exit;
}
offset += n;
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "[%s: (%d)]: ", func,
line);
if (n >= DNX_MAX_LOG_BUFF - offset)
{
goto Exit;
}
offset += n;
va_start(va, fmt);
vsnprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, fmt, va);
va_end(va);
Exit:
syslog(dnx_convert_prioroty(level), "%s", buff);
}
dnx_status_t dnx_rmlock_rem_ex(dnx_rmlock_t *lock, uint32_t count)
{
DNX_ASSERT(NULL != lock);
dnx_atomic32_sub(&lock->cnt, count);
if (0 == dnx_atomic32_get(&lock->cnt))
dnx_event_set(&lock->event);
return DNX_ERR_OK;
}
dnx_status_t dnx_thread_create(dnx_thread_t *thread, dnx_thread_cb_t cb,
void *ctx)
{
dnx_status_t rc = DNX_ERR_OK;
int os_rc = 0;
DNX_ASSERT(NULL != thread);
DNX_ASSERT(NULL != cb);
thread->cb = cb;
thread->ctx =ctx;
thread->hthread = CreateThread(NULL, 0,
(LPTHREAD_START_ROUTINE)dnx_thread_run, thread, 0, NULL);
if (NULL == thread->hthread)
rc = DNX_ERR_UNKNOWN;
return rc;
}
void dnx_log(const char *func, uint32_t line,
dnx_log_level_t level, const char *fmt, ...)
{
char buff[DNX_MAX_LOG_BUFF] = {0};
int n = 0, offset = 0;
va_list va;
if (level > dnx_max_dlevel)
goto Exit;
if (log_flags & DNX_LOG_FLAG_TIMESTAMP)
{
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "[%010u] ",
dnx_timestamp());
if (n >= DNX_MAX_LOG_BUFF - offset)
{
goto Exit;
}
offset += n;
}
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "[%s: (%d)]: ", func,
line);
if (n >= DNX_MAX_LOG_BUFF - offset)
{
goto Exit;
}
offset += n;
va_start(va, fmt);
dnx_vsnprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, fmt, va);
va_end(va);
Exit:
switch (level)
{
case DNX_LOG_LEVEL_ERROR:
printk(KERN_ERR "%s", buff);
return;
case DNX_LOG_LEVEL_WARNING:
printk(KERN_WARNING "%s", buff);
return;
case DNX_LOG_LEVEL_INFO:
printk(KERN_INFO "%s", buff);
return;
case DNX_LOG_LEVEL_EXTRA:
printk(KERN_DEBUG "%s", buff);
return;
default:
DNX_ASSERT(0);
break;
}
}
static void _dnx_mutex_uninit(dnx_mutex_t *mutex)
{
if (mutex)
{
if (TRUE == mutex->created)
{
int os_rc = pthread_mutex_destroy(&mutex->os_mutex);
DNX_ASSERT(0 == os_rc);
}
dnx_free(mutex);
}
}
dnx_status_t dnx_event_wait(dnx_event_t *event, uint32_t msec)
{
int res;
DNX_ASSERT(NULL != event);
res = msec?wait_event_timeout(event->wait_queue,
event->wait_flag,
msecs_to_jiffies(msec)):event->wait_flag;
if (event->wait_flag)
res = DNX_ERR_OK;
else if (res == 0)
res = DNX_ERR_TIMEOUT;
else {
// make sure we cover all cases
printk(KERN_ALERT "wait_event_timeout returned %d", res);
DNX_ASSERT(FALSE);
}
return res;
}
dnx_status_t dnx_event_init(dnx_event_t *event)
{
dnx_status_t rc = DNX_ERR_OK;
DNX_ASSERT(NULL != event);
event->wait_flag = 0;
init_waitqueue_head(&event->wait_queue);
if (DNX_ERR_OK != rc && NULL != event)
dnx_event_uninit(event);
return rc;
}
dnx_status_t dnx_thread_create(dnx_thread_t *thread, dnx_thread_cb_t cb,
void *ctx)
{
dnx_status_t rc = DNX_ERR_OK;
int os_rc = 0;
DNX_ASSERT(NULL != thread);
DNX_ASSERT(NULL != cb);
thread->cb = cb;
thread->ctx =ctx;
thread->event_initialized = FALSE;
rc = dnx_event_init(&thread->event);
if (DNX_ERR_OK != rc)
{
dnx_log_e("Failed to initialize event object\n");
goto Exit;
}
thread->event_initialized = TRUE;
thread->kthread = kthread_run(dnx_thread_run, thread,
"dnx_tread");
if (NULL == thread->kthread)
rc = dnx_os_err_to_dnx_err(os_rc);
Exit:
if (DNX_ERR_OK != rc && NULL != thread)
{
if (TRUE == thread->event_initialized)
dnx_event_uninit(&thread->event);
}
return rc;
}
static int dnx_convert_prioroty(dnx_log_level_t level)
{
switch (level)
{
case DNX_LOG_LEVEL_ERROR:
return LOG_ERR;
case DNX_LOG_LEVEL_WARNING:
return LOG_WARNING;
case DNX_LOG_LEVEL_INFO:
return LOG_INFO;
case DNX_LOG_LEVEL_EXTRA:
return LOG_DEBUG;
default:
DNX_ASSERT(0);
return -1;
}
}
dnx_status_t dnx_rmlock_init(dnx_rmlock_t *lock)
{
dnx_status_t rc = DNX_ERR_OK;
DNX_ASSERT(NULL != lock);
lock->event_initialized = FALSE;
rc = dnx_event_init(&lock->event);
if (DNX_ERR_OK != rc)
goto Exit;
lock->event_initialized = TRUE;
dnx_atomic32_set(&lock->cnt, 0);
Exit:
if (DNX_ERR_OK != rc && NULL != lock)
dnx_rmlock_uninit(lock);
return rc;
}
bool_t dnx_thread_should_exit(dnx_thread_t *thread)
{
DNX_ASSERT(NULL != thread);
return thread->should_exit;
}
void dnx_event_uninit(dnx_event_t *event)
{
DNX_ASSERT(NULL != event);
}
void dnx_log(const char *func, uint32_t line,
dnx_log_level_t level, const char *fmt, ...)
{
char buff[DNX_MAX_LOG_BUFF] = {0};
int offset = 0, n = 0;
va_list va;
if (level > os_max_level)
return;
if (log_flags & DNX_LOG_FLAG_TIMESTAMP)
{
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "[%010u] ",
dnx_timestamp());
if (n >= DNX_MAX_LOG_BUFF - offset)
{
goto Exit;
}
offset += n;
}
switch (level) {
case DNX_LOG_LEVEL_ERROR:
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "Error: ");
break;
case DNX_LOG_LEVEL_WARNING:
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "Warning: ");
break;
case DNX_LOG_LEVEL_INFO:
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "Info: ");
break;
case DNX_LOG_LEVEL_EXTRA:
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "Extra: ");
break;
default:
DNX_ASSERT(0);
}
if (n >= DNX_MAX_LOG_BUFF - offset)
{
goto Exit;
}
offset += n;
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "[%s: (%d)]: ", func,
line);
if (n >= DNX_MAX_LOG_BUFF - offset)
{
goto Exit;
}
offset += n;
if (os_ident)
{
n = dnx_snprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, "%s: ",
os_ident);
/* if ident too long. skip it. */
if (n < DNX_MAX_LOG_BUFF - offset)
{
offset +=n;
}
}
va_start(va, fmt);
n = dnx_vsnprintf(buff + offset, DNX_MAX_LOG_BUFF - offset, fmt, va);
va_end(va);
if (n >= DNX_MAX_LOG_BUFF - offset)
{
buff[DNX_MAX_LOG_BUFF - 1] = 0;
}
Exit:
OutputDebugStringA(buff);
if (duplicate_to_stderr)
fprintf(stderr, "%s\n", buff);
}
void dnx_rmlock_reset(dnx_rmlock_t *lock)
{
DNX_ASSERT(NULL != lock);
dnx_event_reset(&lock->event);
}
dnx_status_t dnx_rmlock_wait(dnx_rmlock_t *lock)
{
DNX_ASSERT(NULL != lock);
return dnx_event_wait(&lock->event, DNX_WAIT_FOREVER);
}
void dnx_event_reset(dnx_event_t *event)
{
DNX_ASSERT(NULL != event);
event->wait_flag = 0;
}