#
# Copyright (c) 2000 University of Utah and the Flux Group.
# All rights reserved.
# 
# This file is part of the Flux OSKit.  The OSKit is free software, also known
# as "open source;" you can redistribute it and/or modify it under the terms
# of the GNU General Public License (GPL), version 2, as published by the Free
# Software Foundation (FSF).  To explore alternate licensing terms, contact
# the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
# 
# The OSKit 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 GPL for more details.  You should have
# received a copy of the GPL along with the OSKit; see the file COPYING.  If
# not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
#

#
# Flags:
#
#	STACKGUARD		Turn on SVM and write protect stack boundry.
#	DEFAULT_SCHEDULER	The non-hierarchical scheduler.
#	SIMPLE_PRI_INHERIT	Simple priority inheritance for mutexes.
#	PTHREAD_SCHED_POSIX	Posix (RR/FIFO) scheduler for DEFAULT_SCHEDULER
#	PTHREAD_SCHED_STRIDE	Stride scheduler for DEFAULT_SCHEDULER
#	PTHREAD_SCHED_EDF	EDF scheduler for DEFAULT_SCHEDULER
#	PTHREAD_SCHED_STRIDE	Stride scheduler for DEFAULT_SCHEDULER
#
OSKIT_CFLAGS += -DSIMPLE_PRI_INHERIT -DDEFAULT_SCHEDULER -DSTACKGUARD

#
# Turn on the standard POSIX scheduler.
# 
OSKIT_CFLAGS += -DPTHREAD_SCHED_POSIX

#
# Use just this for only the Stride scheduler, which is recommended
# (that is, just use the Stride scheduler by itself, not with another
# scheduler). Comment out the previous line. 
#
#OSKIT_CFLAGS += -DPTHREAD_SCHED_STRIDE -DDEFAULT_SCHEDULER -DSTACKGUARD

#
# For stride scheduler
# Allows the stride scheduler to be enabled/disabled via special calls.
# Useful for demonstrating the rate-limiting provided by stride scheduling.
#
#OSKIT_CFLAGS += -DSTRIDE_DISABLE

#
# Add the realtime scheduler. 
#
# Note: Weak symbols broken in ARM ELF linker. 
# 
ifneq ($(HOST_ARCH),arm32)
#OSKIT_CFLAGS += -DPTHREAD_SCHED_EDF -DPTHREAD_REALTIME
endif

#OSKIT_CFLAGS += -DCPU_INHERIT -DDEBUG

#
# Stats flags.  Add these to OSKIT_CFLAGS as desired
#
#	RTSCHED_STATS		thread scheduling stats, RT related
#	SCHED_STATS		global scheduling stats
#	IPC_STATS		IPC stats
#	THREAD_STATS		per-thread scheduling latency stats
#	LATENCY_THREAD		enables a high-prio do-nothing thread,
#				only meaningful with THREAD_STATS
#	HIGHRES_THREADTIMES	accurately measure thread runtimes
#				by using a cycle counter or other
#				hires timer (*** x86-only right now ***)
#
#OSKIT_CFLAGS += -DRTSCHED_STATS
#OSKIT_CFLAGS += -DSCHED_STATS
#OSKIT_CFLAGS += -DIPC_STATS
#OSKIT_CFLAGS += -DTHREAD_STATS -DLATENCY_THREAD
#OSKIT_CFLAGS += -DTHREAD_STATS
#OSKIT_CFLAGS += -DLATENCY_THREAD
#OSKIT_CFLAGS += -DHIGHRES_THREADTIMES