-/*!
+/**
* \file
* <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
* Copyright 2001, 2004 Develer S.r.l. (http://www.develer.com/)
* Copyright 1999, 2000, 2001 Bernardo Innocenti <bernie@develer.com>
- * This file is part of DevLib - See README.devlib for information.
+ *
* -->
*
* \brief Semaphore based synchronization services.
/*#*
*#* $Log$
+ *#* Revision 1.12 2006/07/19 12:56:27 bernie
+ *#* Convert to new Doxygen style.
+ *#*
+ *#* Revision 1.11 2006/02/24 01:17:05 bernie
+ *#* Update for new emulator.
+ *#*
*#* Revision 1.10 2005/11/04 16:20:02 bernie
*#* Fix reference to README.devlib in header.
*#*
*#*/
#include "sem.h"
-#include "proc.h"
-#include "proc_p.h"
-#include "signal.h"
-#include "hw.h"
+#include <kern/proc.h>
+#include <kern/proc_p.h>
+#include <kern/signal.h>
#include <cfg/debug.h>
INLINE void sem_verify(struct Semaphore *s)
}
-/*!
+/**
* \brief Initialize a Semaphore structure.
*/
void sem_init(struct Semaphore *s)
}
-/*!
+/**
* \brief Attempt to lock a semaphore without waiting.
*
* \return true in case of success, false if the semaphore
}
-/*!
+/**
* \brief Lock a semaphore.
*
* If the semaphore is already owned by another process, the caller
}
else
{
- ASSERT(ISLISTEMPTY(&s->wait_queue));
+ ASSERT(LIST_EMPTY(&s->wait_queue));
/* The semaphore was free: lock it */
s->owner = CurrentProcess;
}
-/*!
+/**
* \brief Release a lock on a previously locked semaphore.
*
* If the nesting count of the semaphore reaches zero,
s->owner = NULL;
/* Give semaphore to the first applicant, if any */
- if (UNLIKELY((proc = (Process *)REMHEAD(&s->wait_queue))))
+ if (UNLIKELY((proc = (Process *)list_remHead(&s->wait_queue))))
{
s->nest_count = 1;
s->owner = proc;