diff options
author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-04-02 01:23:08 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-04-02 01:23:08 +0000 |
commit | 158978359318cb94de9e08900af4300bdfa5f651 (patch) | |
tree | b09d5d3e8b437bc0a4f62ff16c32c62e73e6828d /nuttx/lib | |
parent | e3f8a9fcb39d16acdf85d8a9a8a79a1a5b75d818 (diff) | |
download | px4-nuttx-158978359318cb94de9e08900af4300bdfa5f651.tar.gz px4-nuttx-158978359318cb94de9e08900af4300bdfa5f651.tar.bz2 px4-nuttx-158978359318cb94de9e08900af4300bdfa5f651.zip |
Move more functions out of sched/ to lib/; proxies almost build
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3453 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/lib')
-rw-r--r-- | nuttx/lib/Makefile | 20 | ||||
-rw-r--r-- | nuttx/lib/mqueue/Make.defs | 39 | ||||
-rw-r--r-- | nuttx/lib/mqueue/mq_getattr.c | 104 | ||||
-rw-r--r-- | nuttx/lib/mqueue/mq_setattr.c | 118 | ||||
-rw-r--r-- | nuttx/lib/sched/Make.defs | 38 | ||||
-rw-r--r-- | nuttx/lib/sched/sched_getprioritymax.c | 100 | ||||
-rw-r--r-- | nuttx/lib/sched/sched_getprioritymin.c | 100 | ||||
-rw-r--r-- | nuttx/lib/stdlib/Make.defs | 4 |
8 files changed, 514 insertions, 9 deletions
diff --git a/nuttx/lib/Makefile b/nuttx/lib/Makefile index bfcc2468f..df7a9240f 100644 --- a/nuttx/lib/Makefile +++ b/nuttx/lib/Makefile @@ -37,9 +37,11 @@ include stdio/Make.defs include stdlib/Make.defs include unistd/Make.defs +include sched/Make.defs include string/Make.defs include pthread/Make.defs include semaphore/Make.defs +include mqueue/Make.defs include math/Make.defs include net/Make.defs include time/Make.defs @@ -50,10 +52,10 @@ include misc/Make.defs ASRCS = AOBJS = $(ASRCS:.S=$(OBJEXT)) -CSRCS = $(STDIO_SRCS) $(STDLIB_SRCS) $(UNISTD_SRCS) $(STRING_SRCS) \ - $(PTHREAD_SRCS) $(SEM_SRCS) $(MATH_SRCS) $(NET_SRCS) \ - $(TIME_SRCS) $(LIBGEN_SRCS) $(QUEUE_SRCS) $(MISC_SRCS) \ - $(REGEX_SRCS) $(CRC_SRCS) $(DBG_SRCS) +CSRCS = $(STDIO_SRCS) $(STDLIB_SRCS) $(UNISTD_SRCS) $(SCHED_SRCS) \ + $(STRING_SRCS) $(PTHREAD_SRCS) $(SEM_SRCS) $(MQUEUE_SRCS) \ + $(MATH_SRCS) $(NET_SRCS) $(TIME_SRCS) $(LIBGEN_SRCS) \ + $(QUEUE_SRCS) $(MISC_SRCS) $(REGEX_SRCS) $(CRC_SRCS) $(DBG_SRCS) COBJS = $(CSRCS:.c=$(OBJEXT)) SRCS = $(ASRCS) $(CSRCS) @@ -63,16 +65,18 @@ ROOTDEPPATH = --dep-path . STDIODEPPATH = --dep-path stdio STDLIBDEPPATH = --dep-path stdlib UNISTDDEPPATH = --dep-path unistd +SCHEDDEPPATH = --dep-path sched STRINGDEPPATH = --dep-path string PTHREADDEPPATH = --dep-path pthread SEMDEPPATH = --dep-path semaphore +MQDEPPATH = --dep-path mqueue MATHDEPPATH = --dep-path math NETDEPPATH = --dep-path net TIMEDEPPATH = --dep-path time LIBGENDEPPATH = --dep-path libgen QUEUEDEPPATH = --dep-path queue MISCDEPPATH = --dep-path misc -VPATH = stdio:stdlib:unistd:string:pthread:semaphore:math:net:time:libgen:queue:misc +VPATH = stdio:stdlib:unistd:sched:string:pthread:semaphore:mqueue:math:net:time:libgen:queue:misc BIN = liblib$(LIBEXT) @@ -91,9 +95,9 @@ $(BIN): $(OBJS) .depend: Makefile $(SRCS) @$(MKDEP) $(ROOTDEPPATH) $(STDIODEPPATH) $(STDLIBDEPPATH) \ - $(UNISTDDEPPATH) $(STRINGDEPPATH) $(PTHREADDEPPATH) $(SEMDEPPATH) \ - $(MATHDEPPATH) $(NETDEPPATH) $(TIMEDEPPATH) $(LIBGENDEPPATH) \ - $(QUEUEDEPPATH) $(MISCDEPPATH) \ + $(UNISTDDEPPATH) $(SCHEDDEPPATH) $(STRINGDEPPATH) $(PTHREADDEPPATH) \ + $(SEMDEPPATH) $(MQDEPPATH) $(MATHDEPPATH) $(NETDEPPATH) $(TIMEDEPPATH) \ + $(LIBGENDEPPATH) $(QUEUEDEPPATH) $(MISCDEPPATH) \ $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep @touch $@ diff --git a/nuttx/lib/mqueue/Make.defs b/nuttx/lib/mqueue/Make.defs new file mode 100644 index 000000000..cd2091e99 --- /dev/null +++ b/nuttx/lib/mqueue/Make.defs @@ -0,0 +1,39 @@ +############################################################################ +# lib/mqueue/Make.defs +# +# Copyright (C) 2011 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt <spudmonkey@racsa.co.cr> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# 3. Neither the name NuttX nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################ + +ifneq ($(CONFIG_DISABLE_MQUEUE),y) +MQUEUE_SRCS = mq_setattr.c mq_getattr.c +endif + diff --git a/nuttx/lib/mqueue/mq_getattr.c b/nuttx/lib/mqueue/mq_getattr.c new file mode 100644 index 000000000..005ec0f24 --- /dev/null +++ b/nuttx/lib/mqueue/mq_getattr.c @@ -0,0 +1,104 @@ +/************************************************************************ + * lib/mqueue/mq_getattr.c + * + * Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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 + * COPYRIGHT OWNER 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. + * + ************************************************************************/ + +/************************************************************************ + * Included Files + ************************************************************************/ + +#include <nuttx/config.h> + +#include <mqueue.h> +#include <nuttx/mqueue.h> + +/************************************************************************ + * Definitions + ************************************************************************/ + +/************************************************************************ + * Private Type Declarations + ************************************************************************/ + +/************************************************************************ + * Global Variables + ************************************************************************/ + +/************************************************************************ + * Private Variables + ************************************************************************/ + +/************************************************************************ + * Private Functions + ************************************************************************/ + +/************************************************************************ + * Public Functions + ************************************************************************/ + +/************************************************************************ + * Function: mq_getattr + * + * Description: + * This functions gets status information and attributes + * associated with the specified message queue. + * + * Parameters: + * mqdes - Message queue descriptor + * mq_stat - Buffer in which to return attributes + * + * Return Value: + * 0 (OK) if attributes provided, -1 (ERROR) otherwise. + * + * Assumptions: + * + ************************************************************************/ + +int mq_getattr(mqd_t mqdes, struct mq_attr *mq_stat) +{ + int ret = ERROR; + + if (mqdes && mq_stat) + { + /* Return the attributes */ + + mq_stat->mq_maxmsg = mqdes->msgq->maxmsgs; + mq_stat->mq_msgsize = mqdes->msgq->maxmsgsize; + mq_stat->mq_flags = mqdes->oflags; + mq_stat->mq_curmsgs = mqdes->msgq->nmsgs; + + ret = OK; + } + + return ret; +} diff --git a/nuttx/lib/mqueue/mq_setattr.c b/nuttx/lib/mqueue/mq_setattr.c new file mode 100644 index 000000000..5d82299fe --- /dev/null +++ b/nuttx/lib/mqueue/mq_setattr.c @@ -0,0 +1,118 @@ +/************************************************************************ + * lib/mqueue/mq_setattr.c + * + * Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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 + * COPYRIGHT OWNER 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. + * + ************************************************************************/ + +/************************************************************************ + * Included Files + ************************************************************************/ + +#include <nuttx/config.h> + +#include <fcntl.h> /* O_NONBLOCK */ +#include <mqueue.h> + +#include <nuttx/mqueue.h> + +/************************************************************************ + * Definitions + ************************************************************************/ + +/************************************************************************ + * Private Type Declarations + ************************************************************************/ + +/************************************************************************ + * Global Variables + ************************************************************************/ + +/************************************************************************ + * Private Variables + ************************************************************************/ + +/************************************************************************ + * Private Functions + ************************************************************************/ + +/************************************************************************ + * Public Functions + ************************************************************************/ + +/************************************************************************ + * Function: mq_setattr + * + * Description: + * This function sets the attributes associated with the + * specified message queue "mqdes." Only the "O_NONBLOCK" + * bit of the "mq_flags" can be changed. + * + * If "oldstat" is non-null, mq_setattr() will store the + * previous message queue attributes at that location (just + * as would have been returned by mq_getattr()). + * + * Parameters: + * mqdes - Message queue descriptor + * mq_stat - New attributes + * oldstate - Old attributes + * + * Return Value: + * 0 (OK) if attributes are set successfully, otherwise + * -1 (ERROR). + * + * Assumptions: + * + ************************************************************************/ + +int mq_setattr(mqd_t mqdes, const struct mq_attr *mq_stat, + struct mq_attr *oldstat) +{ + int ret = ERROR; + + if (mqdes && mq_stat) + { + /* Return the attributes if so requested */ + + if (oldstat) + { + (void)mq_getattr(mqdes, oldstat); + } + + /* Set the new value of the O_NONBLOCK flag. */ + + mqdes->oflags = ((mq_stat->mq_flags & O_NONBLOCK) | + (mqdes->oflags & (~O_NONBLOCK))); + ret = OK; + } + + return ret; +} diff --git a/nuttx/lib/sched/Make.defs b/nuttx/lib/sched/Make.defs new file mode 100644 index 000000000..939cb983f --- /dev/null +++ b/nuttx/lib/sched/Make.defs @@ -0,0 +1,38 @@ +############################################################################ +# lib/sched/Make.defs +# +# Copyright (C) 2011 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt <spudmonkey@racsa.co.cr> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. 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. +# 3. Neither the name NuttX nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# 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 +# COPYRIGHT OWNER 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. +# +############################################################################ + +SCHED_SRCS = sched_getprioritymax.c sched_getprioritymin.c + + diff --git a/nuttx/lib/sched/sched_getprioritymax.c b/nuttx/lib/sched/sched_getprioritymax.c new file mode 100644 index 000000000..8be45d710 --- /dev/null +++ b/nuttx/lib/sched/sched_getprioritymax.c @@ -0,0 +1,100 @@ +/************************************************************************ + * lib/sched/sched_getprioritymax.c + * + * Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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 + * COPYRIGHT OWNER 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. + * + ************************************************************************/ + +/************************************************************************ + * Included Files + ************************************************************************/ + +#include <nuttx/config.h> + +#include <nuttx/arch.h> + +/************************************************************************ + * Definitions + ************************************************************************/ + +/************************************************************************ + * Private Type Declarations + ************************************************************************/ + +/************************************************************************ + * Global Variables + ************************************************************************/ + +/************************************************************************ + * Private Variables + ************************************************************************/ + +/************************************************************************ + * Private Function Prototypes + ************************************************************************/ + +/************************************************************************ + * Private Functions + ************************************************************************/ + +/************************************************************************ + * Public Functions + ************************************************************************/ + +/************************************************************************ + * Name: ched_get_priority_max + * + * Description: + * This function returns the value of the highest possible + * task priority for a specified scheduling policy. + * + * Inputs: + * policy - Scheduling policy requested. + * + * Return Value: + * The maximum priority value or -1 (ERROR) + * (errno is not set) + * + * Assumptions: + * + ************************************************************************/ + +int sched_get_priority_max(int policy) +{ + if (policy != SCHED_FIFO && policy != SCHED_RR) + { + return ERROR; + } + else + { + return SCHED_PRIORITY_MAX; + } +} diff --git a/nuttx/lib/sched/sched_getprioritymin.c b/nuttx/lib/sched/sched_getprioritymin.c new file mode 100644 index 000000000..a590f1fc2 --- /dev/null +++ b/nuttx/lib/sched/sched_getprioritymin.c @@ -0,0 +1,100 @@ +/************************************************************************ + * lib/sched/sched_getprioritymin.c + * + * Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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 + * COPYRIGHT OWNER 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. + * + ************************************************************************/ + +/************************************************************************ + * Included Files + ************************************************************************/ + +#include <nuttx/config.h> + +#include <nuttx/arch.h> + +/************************************************************************ + * Definitions + ************************************************************************/ + +/************************************************************************ + * Private Type Declarations + ************************************************************************/ + +/************************************************************************ + * Global Variables + ************************************************************************/ + +/************************************************************************ + * Private Variables + ************************************************************************/ + +/************************************************************************ + * Private Function Prototypes + ************************************************************************/ + +/************************************************************************ + * Private Functions + ************************************************************************/ + +/************************************************************************ + * Public Functions + ************************************************************************/ + +/************************************************************************ + * Name: sched_get_priority_min + * + * Description: + * This function returns the value of the lowest possible + * task priority for a specified scheduling policy. + * + * Inputs: + * policy - Scheduling policy requested. + * + * Return Value: + * The minimum priority value or -1 (ERROR) + * (errno is not set) + * + * Assumptions: + * + ************************************************************************/ + +int sched_get_priority_min(int policy) +{ + if (policy != SCHED_FIFO && policy != SCHED_RR) + { + return ERROR; + } + else + { + return SCHED_PRIORITY_MIN; + } +} diff --git a/nuttx/lib/stdlib/Make.defs b/nuttx/lib/stdlib/Make.defs index 42bf13bda..14ffd787a 100644 --- a/nuttx/lib/stdlib/Make.defs +++ b/nuttx/lib/stdlib/Make.defs @@ -33,4 +33,6 @@ # ############################################################################ -STDLIB_SRCS = lib_abs.c lib_imaxabs.c lib_labs.c lib_llabs.c lib_rand.c lib_qsort.c +STDLIB_SRCS = lib_abs.c lib_abort.c lib_imaxabs.c lib_labs.c lib_llabs.c \ + lib_rand.c lib_qsort.c + |