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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-08-16 13:07:24 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-08-16 13:07:24 +0000 |
| commit | 1ea7355d85e316aadfd90468b3e808bb3dc95ee9 (patch) | |
| tree | 7d9c3cd8733553982b9d0a55e1ddff036a6d9b4c /os/kernel/include/messages.h | |
| parent | 51e3bee83961243f5f0ba01537630f5a3d070c36 (diff) | |
| download | ChibiOS-1ea7355d85e316aadfd90468b3e808bb3dc95ee9.tar.gz ChibiOS-1ea7355d85e316aadfd90468b3e808bb3dc95ee9.tar.bz2 ChibiOS-1ea7355d85e316aadfd90468b3e808bb3dc95ee9.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1073 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/kernel/include/messages.h')
| -rw-r--r-- | os/kernel/include/messages.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/os/kernel/include/messages.h b/os/kernel/include/messages.h new file mode 100644 index 000000000..ee1449a82 --- /dev/null +++ b/os/kernel/include/messages.h @@ -0,0 +1,59 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT 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 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file messages.h
+ * @brief Messages macros and structures.
+ * @addtogroup Messages
+ * @{
+ */
+
+#ifndef _MESSAGES_H_
+#define _MESSAGES_H_
+
+#if CH_USE_MESSAGES
+
+/**
+ * Evaluates to TRUE if the thread has pending messages.
+ */
+#define chMsgIsPendingI(tp) \
+ ((tp)->p_msgqueue.p_next != (Thread *)&(tp)->p_msgqueue)
+
+/**
+ * Returns the first message in the queue.
+ */
+#define chMsgGetI(tp) \
+ ((tp)->p_msgqueue.p_next->p_msg)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ msg_t chMsgSend(Thread *tp, msg_t msg);
+ msg_t chMsgWait(void);
+ msg_t chMsgGet(void);
+ void chMsgRelease(msg_t msg);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CH_USE_MESSAGES */
+
+#endif /* _MESSAGES_H_ */
+
+/** @} */
|