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Diffstat (limited to '')
-rw-r--r-- | src/thread/GLibCond.hxx | 88 |
1 files changed, 88 insertions, 0 deletions
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 |