* Author:
* Dick Porter (dick@ximian.com)
*
- * (C) 2002 Ximian, Inc.
+ * (C) 2002-2006 Novell, Inc.
*/
#include <config.h>
#include <string.h>
#include <errno.h>
-#include <mono/os/gc_wrapper.h>
+#include <mono/utils/gc_wrapper.h>
#include <mono/io-layer/wapi.h>
#include <mono/io-layer/handles-private.h>
struct timespec abstime;
int thr_ret;
gboolean apc_pending = FALSE;
- gpointer current_thread = GetCurrentThread ();
+ gpointer current_thread = _wapi_thread_handle_from_id (pthread_self ());
+
+ if (current_thread == NULL) {
+ SetLastError (ERROR_INVALID_HANDLE);
+ return(WAIT_FAILED);
+ }
+
+ if (handle == _WAPI_THREAD_CURRENT) {
+ handle = _wapi_thread_handle_from_id (pthread_self ());
+ if (handle == NULL) {
+ SetLastError (ERROR_INVALID_HANDLE);
+ return(WAIT_FAILED);
+ }
+ }
+
+ if ((GPOINTER_TO_UINT (handle) & _WAPI_PROCESS_UNHANDLED) == _WAPI_PROCESS_UNHANDLED) {
+ SetLastError (ERROR_INVALID_HANDLE);
+ return(WAIT_FAILED);
+ }
if (_wapi_handle_test_capabilities (handle,
WAPI_HANDLE_CAP_WAIT) == FALSE) {
return(WAIT_FAILED);
}
+ _wapi_handle_ops_prewait (handle);
+
if (_wapi_handle_test_capabilities (handle, WAPI_HANDLE_CAP_SPECIAL_WAIT) == TRUE) {
#ifdef DEBUG
g_message ("%s: handle %p has special wait", __func__, handle);
goto done;
}
+ if (timeout == 0) {
+ ret = WAIT_TIMEOUT;
+ goto done;
+ }
/* Have to wait for it */
if (timeout != INFINITE) {
_wapi_calc_timeout (&abstime, timeout);
do {
/* Check before waiting on the condition, just in case
*/
+ _wapi_handle_ops_prewait (handle);
+
if (own_if_signalled (handle)) {
#ifdef DEBUG
g_message ("%s: handle %p signalled", __func__,
}
if (timeout == INFINITE) {
- waited = _wapi_handle_wait_signal_handle (handle);
+ waited = _wapi_handle_wait_signal_handle (handle, alertable);
} else {
- waited = _wapi_handle_timedwait_signal_handle (handle, &abstime);
+ waited = _wapi_handle_timedwait_signal_handle (handle, &abstime, alertable, FALSE);
}
if (alertable)
struct timespec abstime;
int thr_ret;
gboolean apc_pending = FALSE;
- gpointer current_thread = GetCurrentThread ();
+ gpointer current_thread = _wapi_thread_handle_from_id (pthread_self ());
+
+ if (current_thread == NULL) {
+ SetLastError (ERROR_INVALID_HANDLE);
+ return(WAIT_FAILED);
+ }
+
+ if (signal_handle == _WAPI_THREAD_CURRENT) {
+ signal_handle = _wapi_thread_handle_from_id (pthread_self ());
+ if (signal_handle == NULL) {
+ SetLastError (ERROR_INVALID_HANDLE);
+ return(WAIT_FAILED);
+ }
+ }
+
+ if (wait == _WAPI_THREAD_CURRENT) {
+ wait = _wapi_thread_handle_from_id (pthread_self ());
+ if (wait == NULL) {
+ SetLastError (ERROR_INVALID_HANDLE);
+ return(WAIT_FAILED);
+ }
+ }
+
+ if ((GPOINTER_TO_UINT (signal_handle) & _WAPI_PROCESS_UNHANDLED) == _WAPI_PROCESS_UNHANDLED) {
+ SetLastError (ERROR_INVALID_HANDLE);
+ return(WAIT_FAILED);
+ }
+
+ if ((GPOINTER_TO_UINT (wait) & _WAPI_PROCESS_UNHANDLED) == _WAPI_PROCESS_UNHANDLED) {
+ SetLastError (ERROR_INVALID_HANDLE);
+ return(WAIT_FAILED);
+ }
if (_wapi_handle_test_capabilities (signal_handle,
WAPI_HANDLE_CAP_SIGNAL)==FALSE) {
return(WAIT_FAILED);
}
+ _wapi_handle_ops_prewait (wait);
+
if (_wapi_handle_test_capabilities (wait, WAPI_HANDLE_CAP_SPECIAL_WAIT) == TRUE) {
g_warning ("%s: handle %p has special wait, implement me!!",
__func__, wait);
do {
/* Check before waiting on the condition, just in case
*/
+ _wapi_handle_ops_prewait (wait);
+
if (own_if_signalled (wait)) {
#ifdef DEBUG
g_message ("%s: handle %p signalled", __func__, wait);
}
if (timeout == INFINITE) {
- waited = _wapi_handle_wait_signal_handle (wait);
+ waited = _wapi_handle_wait_signal_handle (wait, alertable);
} else {
- waited = _wapi_handle_timedwait_signal_handle (wait, &abstime);
+ waited = _wapi_handle_timedwait_signal_handle (wait, &abstime, alertable, FALSE);
}
if (alertable) {
guint i;
guint32 ret;
int thr_ret;
- gpointer current_thread = GetCurrentThread ();
+ gpointer current_thread = _wapi_thread_handle_from_id (pthread_self ());
+ guint32 retval;
+ gboolean poll;
+
+ if (current_thread == NULL) {
+ SetLastError (ERROR_INVALID_HANDLE);
+ return(WAIT_FAILED);
+ }
if (numobjects > MAXIMUM_WAIT_OBJECTS) {
#ifdef DEBUG
/* Check for duplicates */
dups = g_hash_table_new (g_direct_hash, g_direct_equal);
for (i = 0; i < numobjects; i++) {
- gpointer exists = g_hash_table_lookup (dups, handles[i]);
+ gpointer exists;
+
+ if (handles[i] == _WAPI_THREAD_CURRENT) {
+ handles[i] = _wapi_thread_handle_from_id (pthread_self ());
+
+ if (handles[i] == NULL) {
+#ifdef DEBUG
+ g_message ("%s: Handle %d bogus", __func__, i);
+#endif
+
+ bogustype = TRUE;
+ break;
+ }
+ }
+
+ if ((GPOINTER_TO_UINT (handles[i]) & _WAPI_PROCESS_UNHANDLED) == _WAPI_PROCESS_UNHANDLED) {
+#ifdef DEBUG
+ g_message ("%s: Handle %d pseudo process", __func__,
+ i);
+#endif
+
+ bogustype = TRUE;
+ break;
+ }
+
+ exists = g_hash_table_lookup (dups, handles[i]);
if (exists != NULL) {
#ifdef DEBUG
g_message ("%s: Handle %p duplicated", __func__,
#endif
bogustype = TRUE;
+ break;
}
g_hash_table_insert (dups, handles[i], handles[i]);
+ _wapi_handle_ops_prewait (handles[i]);
}
g_hash_table_destroy (dups);
return(WAIT_FAILED);
}
+ poll = FALSE;
+ for (i = 0; i < numobjects; ++i)
+ if (_wapi_handle_type (handles [i]) == WAPI_HANDLE_PROCESS)
+ /* Can't wait for a process handle + another handle without polling */
+ poll = TRUE;
+
done = test_and_own (numobjects, handles, waitall, &count, &lowest);
if (done == TRUE) {
return(WAIT_OBJECT_0+lowest);
}
+ if (timeout == 0) {
+ return WAIT_TIMEOUT;
+ }
/* Have to wait for some or all handles to become signalled
*/
return WAIT_IO_COMPLETION;
}
+ for (i = 0; i < numobjects; i++) {
+ /* Add a reference, as we need to ensure the handle wont
+ * disappear from under us while we're waiting in the loop
+ * (not lock, as we don't want exclusive access here)
+ */
+ _wapi_handle_ref (handles[i]);
+ }
+
while(1) {
- /* Prod all special-wait handles that aren't already
- * signalled
+ /* Prod all handles with prewait methods and
+ * special-wait handles that aren't already signalled
*/
for (i = 0; i < numobjects; i++) {
+ _wapi_handle_ops_prewait (handles[i]);
+
if (_wapi_handle_test_capabilities (handles[i], WAPI_HANDLE_CAP_SPECIAL_WAIT) == TRUE && _wapi_handle_issignalled (handles[i]) == FALSE) {
_wapi_handle_ops_special_wait (handles[i], 0);
}
}
-
- /* Check before waiting on the condition, just in case
- */
- done = test_and_own (numobjects, handles, waitall,
- &count, &lowest);
- if (done == TRUE) {
- return(WAIT_OBJECT_0 + lowest);
- }
#ifdef DEBUG
g_message ("%s: locking signal mutex", __func__);
pthread_cleanup_push ((void(*)(void *))_wapi_handle_unlock_signal_mutex, NULL);
thr_ret = _wapi_handle_lock_signal_mutex ();
g_assert (thr_ret == 0);
+
+ /* Check the signalled state of handles inside the critical section */
+ if (waitall) {
+ done = TRUE;
+ for (i = 0; i < numobjects; i++)
+ if (!_wapi_handle_issignalled (handles [i]))
+ done = FALSE;
+ } else {
+ done = FALSE;
+ for (i = 0; i < numobjects; i++)
+ if (_wapi_handle_issignalled (handles [i]))
+ done = TRUE;
+ }
- if (timeout == INFINITE) {
- ret = _wapi_handle_wait_signal ();
+ if (!done) {
+ /* Enter the wait */
+ if (timeout == INFINITE) {
+ ret = _wapi_handle_wait_signal (poll);
+ } else {
+ ret = _wapi_handle_timedwait_signal (&abstime, poll);
+ }
} else {
- ret = _wapi_handle_timedwait_signal (&abstime);
+ /* No need to wait */
+ ret = 0;
}
#ifdef DEBUG
if (alertable && _wapi_thread_apc_pending (current_thread)) {
_wapi_thread_dispatch_apc_queue (current_thread);
- return WAIT_IO_COMPLETION;
+ retval = WAIT_IO_COMPLETION;
+ break;
}
/* Check if everything is signalled, as we can't
done = test_and_own (numobjects, handles, waitall,
&count, &lowest);
if (done == TRUE) {
- return(WAIT_OBJECT_0+lowest);
+ retval = WAIT_OBJECT_0+lowest;
+ break;
} else if (ret != 0) {
/* Didn't get all handles, and there was a
* timeout or other error
#endif
if(ret==ETIMEDOUT) {
- return(WAIT_TIMEOUT);
+ retval = WAIT_TIMEOUT;
} else {
- return(WAIT_FAILED);
+ retval = WAIT_FAILED;
}
+ break;
}
}
+
+ for (i = 0; i < numobjects; i++) {
+ /* Unref everything we reffed above */
+ _wapi_handle_unref (handles[i]);
+ }
+
+ return retval;
}
guint32 WaitForMultipleObjects(guint32 numobjects, gpointer *handles,
{
return WaitForMultipleObjectsEx(numobjects, handles, waitall, timeout, FALSE);
}
+
+/**
+ * WaitForInputIdle:
+ * @handle: a handle to the process to wait for
+ * @timeout: the maximum time in milliseconds to wait for
+ *
+ * This function returns when either @handle process is waiting
+ * for input, or @timeout ms elapses. If @timeout is zero, the
+ * process state is tested and the function returns immediately.
+ * If @timeout is %INFINITE, the function waits forever.
+ *
+ * Return value: 0 - @handle process is waiting for input.
+ * %WAIT_TIMEOUT - The @timeout interval elapsed and
+ * @handle process is not waiting for input. %WAIT_FAILED - an error
+ * occurred.
+ */
+guint32 WaitForInputIdle(gpointer handle, guint32 timeout)
+{
+ /*TODO: Not implemented*/
+ return WAIT_TIMEOUT;
+}
+