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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
commit267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree358c9467650e1d0a1d7227a21dac2e3d08b622b2 /include/osl/conditn.h
parentInitial commit. (diff)
downloadlibreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz
libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--include/osl/conditn.h101
-rw-r--r--include/osl/conditn.hxx172
2 files changed, 273 insertions, 0 deletions
diff --git a/include/osl/conditn.h b/include/osl/conditn.h
new file mode 100644
index 0000000000..b39167a2dd
--- /dev/null
+++ b/include/osl/conditn.h
@@ -0,0 +1,101 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+/*
+ * This file is part of LibreOffice published API.
+ */
+
+#ifndef INCLUDED_OSL_CONDITN_H
+#define INCLUDED_OSL_CONDITN_H
+
+#include "sal/config.h"
+
+#include "osl/time.h"
+#include "sal/saldllapi.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void* oslCondition;
+
+typedef enum {
+ osl_cond_result_ok, /*<! Successful completion. */
+ osl_cond_result_error, /*<! Error occurred. @see osl_getLastSocketError() */
+ osl_cond_result_timeout, /*<! Blocking operation timed out. */
+ osl_cond_result_FORCE_EQUAL_SIZE = SAL_MAX_ENUM
+} oslConditionResult;
+
+/** Creates a condition.
+
+ @deprecated use C++11's std::condition_variable instead
+ for a more robust and helpful condition.
+
+ The condition is in the reset-state.
+
+ @retval osl_cond_result_error Condition could not be created.
+*/
+SAL_DLLPUBLIC oslCondition SAL_CALL osl_createCondition(void);
+
+/** Free the memory used by the condition.
+
+ @param Condition the condition handle.
+*/
+SAL_DLLPUBLIC void SAL_CALL osl_destroyCondition(oslCondition Condition);
+
+/** Sets condition to True => wait() will not block, check() returns True.
+
+ @attention @em all threads waiting on this condition are unblocked!
+
+ @param Condition handle to a created condition.
+ @retval False if system-call failed.
+*/
+SAL_DLLPUBLIC sal_Bool SAL_CALL osl_setCondition(oslCondition Condition);
+
+/** Sets condition to False => wait() will block, check() returns False
+
+ @param Condition handle to a created condition.
+ @retval False if system-call failed.
+*/
+SAL_DLLPUBLIC sal_Bool SAL_CALL osl_resetCondition(oslCondition Condition);
+
+/** Blocks if condition is not set.
+
+ @param Condition handle to a created condition.
+ @param pTimeout Timeout value or NULL for infinite waiting
+ @retval False Condition has been destroyed prematurely or system call has failed.
+*/
+SAL_DLLPUBLIC oslConditionResult SAL_CALL osl_waitCondition(oslCondition Condition, const TimeValue* pTimeout);
+
+/** Queries the state of the condition without blocking.
+
+ @param Condition handle to a created condition.
+
+ @retval True condition is set
+ @retval False condition is not set
+*/
+SAL_DLLPUBLIC sal_Bool SAL_CALL osl_checkCondition(oslCondition Condition);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // INCLUDED_OSL_CONDITN_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/osl/conditn.hxx b/include/osl/conditn.hxx
new file mode 100644
index 0000000000..5eb9ba431d
--- /dev/null
+++ b/include/osl/conditn.hxx
@@ -0,0 +1,172 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+/*
+ * This file is part of LibreOffice published API.
+ */
+
+#ifndef INCLUDED_OSL_CONDITN_HXX
+#define INCLUDED_OSL_CONDITN_HXX
+
+#include "sal/config.h"
+
+#include <cstddef>
+
+#include "osl/time.h"
+#include "osl/conditn.h"
+
+#if defined(MACOSX) && defined(__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES)
+# if __ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES == 1
+# undef check
+# endif
+#endif
+
+namespace osl
+{
+ /** Condition variable
+
+ A condition variable is essentially an object that is initially
+ cleared which a thread waits on until it is "set". It allows a
+ thread to synchronize execution by allowing other threads to wait
+ for the condition to change before that thread then continues
+ execution.
+
+ @deprecated use C++11's std::condition_variable instead
+ for a more robust and helpful condition.
+
+ @attention Warning: the Condition abstraction is inadequate for
+ any situation where there may be multiple threads setting,
+ waiting, and resetting the same condition. It can only be
+ used to synchronise interactions between two threads
+ cf. lost wakeups in http://www.cs.wustl.edu/~schmidt/win32-cv-1.html
+ */
+ class Condition
+ {
+ public:
+ enum Result
+ {
+ result_ok = osl_cond_result_ok, /*!< Successful completion. */
+ result_error = osl_cond_result_error, /*!< Error occurred. @see osl_getLastSocketError() */
+ result_timeout = osl_cond_result_timeout /*!< Blocking operation timed out. */
+ };
+
+ /** Create a condition.
+
+ @deprecated use C++11's std::condition_variable instead
+ for a more robust and helpful condition.
+ */
+ Condition()
+ {
+ condition = osl_createCondition();
+ }
+
+ /** Release the OS-structures and free condition data-structure.
+
+ @deprecated use C++11's std::condition_variable instead
+ for a more robust and helpful condition.
+ */
+ ~Condition()
+ {
+ osl_destroyCondition(condition);
+ }
+
+ /** Release all waiting threads, check returns true.
+
+ @deprecated use C++11's std::condition_variable instead
+ for a more robust and helpful condition.
+ */
+ void set()
+ {
+ osl_setCondition(condition);
+ }
+
+ /** Reset condition to false: wait() will block, check() returns
+ false.
+
+ @deprecated use C++11's std::condition_variable instead
+ for a more robust and helpful condition.
+ */
+ void reset() {
+ osl_resetCondition(condition);
+ }
+
+ /** Blocks the calling thread until condition is set.
+
+ @param [in] pTimeout Timeout to wait before ending the condition.
+ Defaults to NULL
+
+ @retval result_ok finished successfully
+ @retval result_error error occurred
+ @retval result_timeout timed out
+
+ @deprecated use C++11's std::condition_variable instead
+ for a more robust and helpful condition.
+ */
+ Result wait(const TimeValue *pTimeout = NULL)
+ {
+ return static_cast<Result>(osl_waitCondition(condition, pTimeout));
+ }
+
+#if defined LIBO_INTERNAL_ONLY
+ Result wait(TimeValue const & timeout) { return wait(&timeout); }
+#endif
+
+ /** Checks if the condition is set without blocking.
+
+ @retval true condition is set
+ @retval false condition is not set
+
+ @deprecated use C++11's std::condition_variable instead
+ for a more robust and helpful condition.
+ */
+ bool check()
+ {
+ return osl_checkCondition(condition);
+ }
+
+
+ private:
+ oslCondition condition; /*< condition variable */
+
+ /** Copy constructor
+
+ The underlying oslCondition has no reference count.
+
+ Since the underlying oslCondition is not a reference counted
+ object, copy constructed Condition may work on an already
+ destructed oslCondition object.
+
+ @deprecated use C++11's std::condition_variable instead
+ for a more robust and helpful condition.
+ */
+ Condition(const Condition& condition) SAL_DELETED_FUNCTION;
+
+ /** This assignment operator is deleted for the same reason as
+ the copy constructor.
+
+ @deprecated use C++11's std::condition_variable instead
+ for a more robust and helpful condition.
+ */
+ Condition& operator= (const Condition&) SAL_DELETED_FUNCTION;
+ };
+}
+
+#endif // INCLUDED_OSL_CONDITN_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */