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-rw-r--r--src/thread/Cond.hxx37
-rw-r--r--src/thread/CriticalSection.hxx68
-rw-r--r--src/thread/GLibCond.hxx88
-rw-r--r--src/thread/GLibMutex.hxx90
-rw-r--r--src/thread/Mutex.hxx54
-rw-r--r--src/thread/PosixCond.hxx60
-rw-r--r--src/thread/PosixMutex.hxx62
-rw-r--r--src/thread/WindowsCond.hxx63
8 files changed, 522 insertions, 0 deletions
diff --git a/src/thread/Cond.hxx b/src/thread/Cond.hxx
new file mode 100644
index 000000000..bbaabddc2
--- /dev/null
+++ b/src/thread/Cond.hxx
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_THREAD_COND_HXX
+#define MPD_THREAD_COND_HXX
+
+#ifdef WIN32
+
+/* mingw-w64 4.6.3 lacks a std::cond implementation */
+
+#include "WindowsCond.hxx"
+typedef WindowsCond Cond;
+
+#else
+
+#include "PosixCond.hxx"
+typedef PosixCond Cond;
+
+#endif
+
+#endif
diff --git a/src/thread/CriticalSection.hxx b/src/thread/CriticalSection.hxx
new file mode 100644
index 000000000..8bc05b8f5
--- /dev/null
+++ b/src/thread/CriticalSection.hxx
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2009-2013 Max Kellermann <max@duempel.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef MPD_THREAD_CRITICAL_SECTION_HXX
+#define MPD_THREAD_CRITICAL_SECTION_HXX
+
+#include <windows.h>
+
+/**
+ * Wrapper for a CRITICAL_SECTION, backend for the Mutex class.
+ */
+class CriticalSection {
+ friend class WindowsCond;
+
+ CRITICAL_SECTION critical_section;
+
+public:
+ CriticalSection() {
+ ::InitializeCriticalSection(&critical_section);
+ }
+
+ ~CriticalSection() {
+ ::DeleteCriticalSection(&critical_section);
+ }
+
+ CriticalSection(const CriticalSection &other) = delete;
+ CriticalSection &operator=(const CriticalSection &other) = delete;
+
+ void lock() {
+ ::EnterCriticalSection(&critical_section);
+ };
+
+ bool try_lock() {
+ return ::TryEnterCriticalSection(&critical_section) != 0;
+ };
+
+ void unlock() {
+ ::LeaveCriticalSection(&critical_section);
+ }
+};
+
+#endif
diff --git a/src/thread/GLibCond.hxx b/src/thread/GLibCond.hxx
new file mode 100644
index 000000000..9ab08e9fd
--- /dev/null
+++ b/src/thread/GLibCond.hxx
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2013 Max Kellermann <max@duempel.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef MPD_THREAD_GLIB_COND_HXX
+#define MPD_THREAD_GLIB_COND_HXX
+
+#include "GLibMutex.hxx"
+
+/**
+ * A wrapper for GCond.
+ */
+class GLibCond {
+#if GLIB_CHECK_VERSION(2,32,0)
+ GCond cond;
+#else
+ GCond *cond;
+#endif
+
+public:
+ GLibCond() {
+#if GLIB_CHECK_VERSION(2,32,0)
+ g_cond_init(&cond);
+#else
+ cond = g_cond_new();
+#endif
+ }
+
+ ~GLibCond() {
+#if GLIB_CHECK_VERSION(2,32,0)
+ g_cond_clear(&cond);
+#else
+ g_cond_free(cond);
+#endif
+ }
+
+ GLibCond(const GLibCond &other) = delete;
+ GLibCond &operator=(const GLibCond &other) = delete;
+
+private:
+ GCond *GetNative() {
+#if GLIB_CHECK_VERSION(2,32,0)
+ return &cond;
+#else
+ return cond;
+#endif
+ }
+
+public:
+ void signal() {
+ g_cond_signal(GetNative());
+ }
+
+ void broadcast() {
+ g_cond_broadcast(GetNative());
+ }
+
+ void wait(GLibMutex &mutex) {
+ g_cond_wait(GetNative(), mutex.GetNative());
+ }
+};
+
+#endif
diff --git a/src/thread/GLibMutex.hxx b/src/thread/GLibMutex.hxx
new file mode 100644
index 000000000..2c666c1ea
--- /dev/null
+++ b/src/thread/GLibMutex.hxx
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2013 Max Kellermann <max@duempel.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef MPD_THREAD_GLIB_MUTEX_HXX
+#define MPD_THREAD_GLIB_MUTEX_HXX
+
+#include <glib.h>
+
+/**
+ * A wrapper for GMutex.
+ */
+class GLibMutex {
+ friend class GLibCond;
+
+#if GLIB_CHECK_VERSION(2,32,0)
+ GMutex mutex;
+#else
+ GMutex *mutex;
+#endif
+
+public:
+ GLibMutex() {
+#if GLIB_CHECK_VERSION(2,32,0)
+ g_mutex_init(&mutex);
+#else
+ mutex = g_mutex_new();
+#endif
+ }
+
+ ~GLibMutex() {
+#if GLIB_CHECK_VERSION(2,32,0)
+ g_mutex_clear(&mutex);
+#else
+ g_mutex_free(mutex);
+#endif
+ }
+
+ GLibMutex(const GLibMutex &other) = delete;
+ GLibMutex &operator=(const GLibMutex &other) = delete;
+
+private:
+ GMutex *GetNative() {
+#if GLIB_CHECK_VERSION(2,32,0)
+ return &mutex;
+#else
+ return mutex;
+#endif
+ }
+
+public:
+ void lock() {
+ g_mutex_lock(GetNative());
+ }
+
+ bool try_lock() {
+ return g_mutex_trylock(GetNative());
+ }
+
+ void unlock() {
+ g_mutex_lock(GetNative());
+ }
+};
+
+#endif
diff --git a/src/thread/Mutex.hxx b/src/thread/Mutex.hxx
new file mode 100644
index 000000000..675af74b1
--- /dev/null
+++ b/src/thread/Mutex.hxx
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_THREAD_MUTEX_HXX
+#define MPD_THREAD_MUTEX_HXX
+
+#ifdef WIN32
+
+/* mingw-w64 4.6.3 lacks a std::mutex implementation */
+
+#include "CriticalSection.hxx"
+typedef CriticalSection Mutex;
+
+#else
+
+#include "PosixMutex.hxx"
+
+typedef PosixMutex Mutex;
+
+#endif
+
+class ScopeLock {
+ Mutex &mutex;
+
+public:
+ ScopeLock(Mutex &_mutex):mutex(_mutex) {
+ mutex.lock();
+ };
+
+ ~ScopeLock() {
+ mutex.unlock();
+ };
+
+ ScopeLock(const ScopeLock &other) = delete;
+ ScopeLock &operator=(const ScopeLock &other) = delete;
+};
+
+#endif
diff --git a/src/thread/PosixCond.hxx b/src/thread/PosixCond.hxx
new file mode 100644
index 000000000..acdc05edc
--- /dev/null
+++ b/src/thread/PosixCond.hxx
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2009-2013 Max Kellermann <max@duempel.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef MPD_THREAD_POSIX_COND_HXX
+#define MPD_THREAD_POSIX_COND_HXX
+
+#include "PosixMutex.hxx"
+
+/**
+ * Low-level wrapper for a pthread_cond_t.
+ */
+class PosixCond {
+ pthread_cond_t cond;
+
+public:
+ constexpr PosixCond():cond(PTHREAD_COND_INITIALIZER) {}
+
+ PosixCond(const PosixCond &other) = delete;
+ PosixCond &operator=(const PosixCond &other) = delete;
+
+ void signal() {
+ pthread_cond_signal(&cond);
+ }
+
+ void broadcast() {
+ pthread_cond_broadcast(&cond);
+ }
+
+ void wait(PosixMutex &mutex) {
+ pthread_cond_wait(&cond, &mutex.mutex);
+ }
+};
+
+#endif
diff --git a/src/thread/PosixMutex.hxx b/src/thread/PosixMutex.hxx
new file mode 100644
index 000000000..d50764af4
--- /dev/null
+++ b/src/thread/PosixMutex.hxx
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2009-2013 Max Kellermann <max@duempel.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef MPD_THREAD_POSIX_MUTEX_HXX
+#define MPD_THREAD_POSIX_MUTEX_HXX
+
+#include <pthread.h>
+
+/**
+ * Low-level wrapper for a pthread_mutex_t.
+ */
+class PosixMutex {
+ friend class PosixCond;
+
+ pthread_mutex_t mutex;
+
+public:
+ constexpr PosixMutex():mutex(PTHREAD_MUTEX_INITIALIZER) {}
+
+ PosixMutex(const PosixMutex &other) = delete;
+ PosixMutex &operator=(const PosixMutex &other) = delete;
+
+ void lock() {
+ pthread_mutex_lock(&mutex);
+ }
+
+ bool try_lock() {
+ return pthread_mutex_trylock(&mutex) == 0;
+ }
+
+ void unlock() {
+ pthread_mutex_unlock(&mutex);
+ }
+};
+
+#endif
diff --git a/src/thread/WindowsCond.hxx b/src/thread/WindowsCond.hxx
new file mode 100644
index 000000000..f4e909c72
--- /dev/null
+++ b/src/thread/WindowsCond.hxx
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2009-2013 Max Kellermann <max@duempel.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef MPD_THREAD_WINDOWS_COND_HXX
+#define MPD_THREAD_WINDOWS_COND_HXX
+
+#include "CriticalSection.hxx"
+
+/**
+ * Wrapper for a CONDITION_VARIABLE, backend for the Cond class.
+ */
+class WindowsCond {
+ CONDITION_VARIABLE cond;
+
+public:
+ WindowsCond() {
+ InitializeConditionVariable(&cond);
+ }
+
+ WindowsCond(const WindowsCond &other) = delete;
+ WindowsCond &operator=(const WindowsCond &other) = delete;
+
+ void signal() {
+ WakeConditionVariable(&cond);
+ }
+
+ void broadcast() {
+ WakeAllConditionVariable(&cond);
+ }
+
+ void wait(CriticalSection &mutex) {
+ SleepConditionVariableCS(&cond, &mutex.critical_section,
+ INFINITE);
+ }
+};
+
+#endif