From 57623d42ebb04f0a0b9e6eb7c0847a3ece2aa0ff Mon Sep 17 00:00:00 2001 From: patacongo Date: Mon, 17 Sep 2012 18:18:44 +0000 Subject: Resync new repository with old repo r5166 git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5153 42af7a65-404d-4744-a932-0658087f49c3 --- apps/namedapp/Kconfig | 15 ++ apps/namedapp/Make.defs | 40 +++ apps/namedapp/Makefile | 106 ++++++++ apps/namedapp/binfs.c | 596 ++++++++++++++++++++++++++++++++++++++++++ apps/namedapp/exec_namedapp.c | 187 +++++++++++++ apps/namedapp/namedapp.c | 96 +++++++ apps/namedapp/namedapp.h | 78 ++++++ 7 files changed, 1118 insertions(+) create mode 100644 apps/namedapp/Kconfig create mode 100644 apps/namedapp/Make.defs create mode 100644 apps/namedapp/Makefile create mode 100644 apps/namedapp/binfs.c create mode 100644 apps/namedapp/exec_namedapp.c create mode 100644 apps/namedapp/namedapp.c create mode 100644 apps/namedapp/namedapp.h (limited to 'apps/namedapp') diff --git a/apps/namedapp/Kconfig b/apps/namedapp/Kconfig new file mode 100644 index 000000000..8d8f03421 --- /dev/null +++ b/apps/namedapp/Kconfig @@ -0,0 +1,15 @@ +# +# For a description of the syntax of this configuration file, +# see misc/tools/kconfig-language.txt. +# + +config NAMEDAPP + bool "Support named applications" + default n + ---help--- + Enable support for named applications. This features assigns a string + name to an application. This feature is also the underlying requirement + to support built-in applications in the NuttShell (NSH). + +if NAMEDAPP +endif diff --git a/apps/namedapp/Make.defs b/apps/namedapp/Make.defs new file mode 100644 index 000000000..399fefee8 --- /dev/null +++ b/apps/namedapp/Make.defs @@ -0,0 +1,40 @@ +############################################################################ +# apps/namedapps/Make.defs +# Adds selected applications to apps/ build +# +# Copyright (C) 2012 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# 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. +# +############################################################################ + +ifeq ($(CONFIG_NAMEDAPP),y) +CONFIGURED_APPS += namedapp +endif + diff --git a/apps/namedapp/Makefile b/apps/namedapp/Makefile new file mode 100644 index 000000000..6b0fd6a05 --- /dev/null +++ b/apps/namedapp/Makefile @@ -0,0 +1,106 @@ +############################################################################ +# apps/nshlib/Makefile +# +# Copyright (C) 2011 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# 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. +# +############################################################################ + +-include $(TOPDIR)/.config +-include $(TOPDIR)/Make.defs +include $(APPDIR)/Make.defs + +# NSH Library + +# Source and object files + +ASRCS = +CSRCS = namedapp.c exec_namedapp.c + +ifeq ($(CONFIG_APPS_BINDIR),y) +CSRCS += binfs.c +endif + +AOBJS = $(ASRCS:.S=$(OBJEXT)) +COBJS = $(CSRCS:.c=$(OBJEXT)) + +SRCS = $(ASRCS) $(CSRCS) +OBJS = $(AOBJS) $(COBJS) + +ifeq ($(WINTOOL),y) + BIN = "${shell cygpath -w $(APPDIR)/libapps$(LIBEXT)}" +else + BIN = "$(APPDIR)/libapps$(LIBEXT)" +endif + +ROOTDEPPATH = --dep-path . +VPATH = + +# Build Targets + +all: .built +.PHONY: .context context depend clean distclean + +$(AOBJS): %$(OBJEXT): %.S + $(call ASSEMBLE, $<, $@) + +$(COBJS): %$(OBJEXT): %.c + $(call COMPILE, $<, $@) + +.built: $(OBJS) + @( for obj in $(OBJS) ; do \ + $(call ARCHIVE, $(BIN), $${obj}); \ + done ; ) + @touch .built + +.context: + @echo "/* List of application requirements, generated during make context. */" > namedapp_list.h + @echo "/* List of application entry points, generated during make context. */" > namedapp_proto.h + @touch $@ + +context: .context + +.depend: Makefile $(SRCS) + @$(MKDEP) $(ROOTDEPPATH) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep + @touch $@ + +depend: .depend + +clean: + @rm -f *.o *~ .*.swp .built + $(call CLEAN) + +distclean: clean + @rm -f .context Make.dep .depend + @rm -f namedapp_list.h + @rm -f namedapp_proto.h + +-include Make.dep + diff --git a/apps/namedapp/binfs.c b/apps/namedapp/binfs.c new file mode 100644 index 000000000..36e3ace92 --- /dev/null +++ b/apps/namedapp/binfs.c @@ -0,0 +1,596 @@ +/**************************************************************************** + * apps/namedapps/binfs.c + * + * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 + +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include "namedapp.h" + +#if !defined(CONFIG_DISABLE_MOUNTPOINT) && defined(CONFIG_APPS_BINDIR) + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/* This structure represents the overall mountpoint state. An instance of this + * structure is retained as inode private data on each mountpoint that is + * mounted with a fat32 filesystem. + */ + +struct binfs_state_s +{ + sem_t bm_sem; /* Used to assume thread-safe access */ +}; + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +static void binfs_semtake(struct binfs_state_s *bm); +static inline void binfs_semgive(struct binfs_state_s *bm); +static int binfs_open(FAR struct file *filep, const char *relpath, + int oflags, mode_t mode); +static int binfs_close(FAR struct file *filep); +static ssize_t binfs_read(FAR struct file *filep, char *buffer, size_t buflen); +static int binfs_ioctl(FAR struct file *filep, int cmd, unsigned long arg); + +static int binfs_opendir(struct inode *mountpt, const char *relpath, + struct fs_dirent_s *dir); +static int binfs_readdir(struct inode *mountpt, struct fs_dirent_s *dir); +static int binfs_rewinddir(struct inode *mountpt, struct fs_dirent_s *dir); + +static int binfs_bind(FAR struct inode *blkdriver, const void *data, + void **handle); +static int binfs_unbind(void *handle, FAR struct inode **blkdriver); +static int binfs_statfs(struct inode *mountpt, struct statfs *buf); + +static int binfs_stat(struct inode *mountpt, const char *relpath, struct stat *buf); + +/**************************************************************************** + * Private Variables + ****************************************************************************/ + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +/* See fs_mount.c -- this structure is explicitly externed there. + * We use the old-fashioned kind of initializers so that this will compile + * with any compiler. + */ + +const struct mountpt_operations binfs_operations = +{ + binfs_open, /* open */ + binfs_close, /* close */ + binfs_read, /* read */ + NULL, /* write */ + NULL, /* seek */ + binfs_ioctl, /* ioctl */ + NULL, /* sync */ + + binfs_opendir, /* opendir */ + NULL, /* closedir */ + binfs_readdir, /* readdir */ + binfs_rewinddir, /* rewinddir */ + + binfs_bind, /* bind */ + binfs_unbind, /* unbind */ + binfs_statfs, /* statfs */ + + NULL, /* unlink */ + NULL, /* mkdir */ + NULL, /* rmdir */ + NULL, /* rename */ + binfs_stat /* stat */ +}; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: binfs_semtake + ****************************************************************************/ + +static void binfs_semtake(struct binfs_state_s *bm) +{ + /* Take the semaphore (perhaps waiting) */ + + while (sem_wait(&bm->bm_sem) != 0) + { + /* The only case that an error should occur here is if + * the wait was awakened by a signal. + */ + + ASSERT(errno == EINTR); + } +} + +/**************************************************************************** + * Name: binfs_semgive + ****************************************************************************/ + +static inline void binfs_semgive(struct binfs_state_s *bm) +{ + sem_post(&bm->bm_sem); +} + +/**************************************************************************** + * Name: binfs_open + ****************************************************************************/ + +static int binfs_open(FAR struct file *filep, const char *relpath, + int oflags, mode_t mode) +{ + struct binfs_state_s *bm; + int ret = -ENOSYS; + + fvdbg("Open '%s'\n", relpath); + + /* Sanity checks */ + + DEBUGASSERT(filep->f_priv == NULL && filep->f_inode != NULL); + + /* mountpoint private data from the inode reference from the file + * structure + */ + + bm = (struct binfs_state_s*)filep->f_inode->i_private; + DEBUGASSERT(bm != NULL); + + /* BINFS is read-only. Any attempt to open with any kind of write + * access is not permitted. + */ + + if ((oflags & O_WRONLY) != 0 || (oflags & O_RDONLY) == 0) + { + fdbg("Only O_RDONLY supported\n"); + ret = -EACCES; + } + + /* Save open-specific state in filep->f_priv */ + + /* Opening of elements within the pseudo-file system is not yet supported */ + + return ret; +} + +/**************************************************************************** + * Name: binfs_close + ****************************************************************************/ + +static int binfs_close(FAR struct file *filep) +{ + struct binfs_state_s *bm; + int ret = -ENOSYS; + + fvdbg("Closing\n"); + + /* Sanity checks */ + + DEBUGASSERT(filep->f_priv != NULL && filep->f_inode != NULL); + + /* Recover the open file state from the struct file instance */ + /* bf = filep->f_priv; */ + + /* Recover the file system state from the inode */ + + bm = filep->f_inode->i_private; + DEBUGASSERT(bm != NULL); + + /* Free the open file state */ + /* free(bf); */ + + filep->f_priv = NULL; + + /* Since open() is not yet supported, neither is close(). */ + + return ret; +} + +/**************************************************************************** + * Name: binfs_read + ****************************************************************************/ + +static ssize_t binfs_read(FAR struct file *filep, char *buffer, size_t buflen) +{ + struct binfs_state_s *bm; + + fvdbg("Read %d bytes from offset %d\n", buflen, filep->f_pos); + + /* Sanity checks */ + + DEBUGASSERT(filep->f_priv != NULL && filep->f_inode != NULL); + + /* Recover the open file state data from the struct file instance */ + /* bf = filep->f_priv; */ + + /* Recover the file system state from the inode */ + + bm = filep->f_inode->i_private; + DEBUGASSERT(bm != NULL); + + /* Since open is not yet supported, neither is reading */ + + return -ENOSYS; +} + +/**************************************************************************** + * Name: binfs_ioctl + ****************************************************************************/ + +static int binfs_ioctl(FAR struct file *filep, int cmd, unsigned long arg) +{ + struct binfs_state_s *bm; + + fvdbg("cmd: %d arg: %08lx\n", cmd, arg); + + /* Sanity checks */ + + DEBUGASSERT(filep->f_priv != NULL && filep->f_inode != NULL); + + /* Recover the open file state from the struct file instance */ + /* bf = filep->f_priv; */ + + /* Recover the file system state from the inode */ + + bm = filep->f_inode->i_private; + DEBUGASSERT(bm != NULL); + + /* No ioctl commands yet supported */ + + return -ENOTTY; +} + +/**************************************************************************** + * Name: binfs_opendir + * + * Description: + * Open a directory for read access + * + ****************************************************************************/ + +static int binfs_opendir(struct inode *mountpt, const char *relpath, + struct fs_dirent_s *dir) +{ + struct binfs_state_s *bm; + int ret; + + fvdbg("relpath: \"%s\"\n", relpath ? relpath : "NULL"); + + /* Sanity checks */ + + DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL); + + /* Recover the file system state from the inode instance */ + + bm = mountpt->i_private; + binfs_semtake(bm); + + /* The requested directory must be the volume-relative "root" directory */ + + if (relpath && relpath[0] != '\0') + { + ret = -ENOENT; + goto errout_with_semaphore; + } + + /* Set the index to the first entry */ + + dir->u.binfs.fb_index = 0; + ret = OK; + +errout_with_semaphore: + binfs_semgive(bm); + return ret; +} + +/**************************************************************************** + * Name: binfs_readdir + * + * Description: Read the next directory entry + * + ****************************************************************************/ + +static int binfs_readdir(struct inode *mountpt, struct fs_dirent_s *dir) +{ + struct binfs_state_s *bm; + unsigned int index; + int ret; + + /* Sanity checks */ + + DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL); + + /* Recover the file system state from the inode instance */ + + bm = mountpt->i_private; + binfs_semtake(bm); + + /* Have we reached the end of the directory */ + + index = dir->u.binfs.fb_index; + if (namedapps[index].name == NULL) + { + /* We signal the end of the directory by returning the + * special error -ENOENT + */ + + fvdbg("Entry %d: End of directory\n", index); + ret = -ENOENT; + } + else + { + /* Save the filename and file type */ + + fvdbg("Entry %d: \"%s\"\n", index, namedapps[index].name); + dir->fd_dir.d_type = DTYPE_FILE; + strncpy(dir->fd_dir.d_name, namedapps[index].name, NAME_MAX+1); + + /* The application list is terminated by an entry with a NULL name. + * Therefore, there is at least one more entry in the list. + */ + + index++; + + /* Set up the next directory entry offset. NOTE that we could use the + * standard f_pos instead of our own private fb_index. + */ + + dir->u.binfs.fb_index = index; + ret = OK; + } + + binfs_semgive(bm); + return ret; +} + +/**************************************************************************** + * Name: binfs_rewindir + * + * Description: Reset directory read to the first entry + * + ****************************************************************************/ + +static int binfs_rewinddir(struct inode *mountpt, struct fs_dirent_s *dir) +{ + struct binfs_state_s *bm; + + fvdbg("Entry\n"); + + /* Sanity checks */ + + DEBUGASSERT(mountpt != NULL && mountpt->i_private != NULL); + + /* Recover the file system state from the inode instance */ + + bm = mountpt->i_private; + binfs_semtake(bm); + + dir->u.binfs.fb_index = 0; + + binfs_semgive(bm); + return OK; +} + +/**************************************************************************** + * Name: binfs_bind + * + * Description: This implements a portion of the mount operation. This + * function allocates and initializes the mountpoint private data and + * binds the blockdriver inode to the filesystem private data. The final + * binding of the private data (containing the blockdriver) to the + * mountpoint is performed by mount(). + * + ****************************************************************************/ + +static int binfs_bind(FAR struct inode *blkdriver, const void *data, + void **handle) +{ + struct binfs_state_s *bm; + + fvdbg("Entry\n"); + + /* Create an instance of the mountpt state structure */ + + bm = (struct binfs_state_s *)zalloc(sizeof(struct binfs_state_s)); + if (!bm) + { + fdbg("Failed to allocate mountpoint structure\n"); + return -ENOMEM; + } + + /* Initialize the allocated mountpt state structure. The filesystem is + * responsible for one reference ont the blkdriver inode and does not + * have to addref() here (but does have to release in ubind(). + */ + + sem_init(&bm->bm_sem, 0, 1); /* Initialize the semaphore that controls access */ + + /* Mounted! */ + + *handle = (void*)bm; + return OK; +} + +/**************************************************************************** + * Name: binfs_unbind + * + * Description: This implements the filesystem portion of the umount + * operation. + * + ****************************************************************************/ + +static int binfs_unbind(void *handle, FAR struct inode **blkdriver) +{ + struct binfs_state_s *bm = (struct binfs_state_s*)handle; + + fvdbg("Entry\n"); + +#ifdef CONFIG_DEBUG + if (!bm) + { + return -EINVAL; + } +#endif + + /* Check if there are sill any files opened on the filesystem. */ + + /* Release the mountpoint private data */ + + sem_destroy(&bm->bm_sem); + return OK; +} + +/**************************************************************************** + * Name: binfs_statfs + * + * Description: Return filesystem statistics + * + ****************************************************************************/ + +static int binfs_statfs(struct inode *mountpt, struct statfs *buf) +{ + struct binfs_state_s *bm; + + fvdbg("Entry\n"); + + /* Sanity checks */ + + DEBUGASSERT(mountpt && mountpt->i_private); + + /* Get the mountpoint private data from the inode structure */ + + bm = mountpt->i_private; + binfs_semtake(bm); + + /* Fill in the statfs info */ + + memset(buf, 0, sizeof(struct statfs)); + buf->f_type = BINFS_MAGIC; + buf->f_bsize = 0; + buf->f_blocks = 0; + buf->f_bfree = 0; + buf->f_bavail = 0; + buf->f_namelen = NAME_MAX; + + binfs_semgive(bm); + return OK; +} + +/**************************************************************************** + * Name: binfs_stat + * + * Description: Return information about a file or directory + * + ****************************************************************************/ + +static int binfs_stat(struct inode *mountpt, const char *relpath, struct stat *buf) +{ + struct binfs_state_s *bm; + int ret; + + fvdbg("Entry\n"); + + /* Sanity checks */ + + DEBUGASSERT(mountpt && mountpt->i_private); + + /* Get the mountpoint private data from the inode structure */ + + bm = mountpt->i_private; + binfs_semtake(bm); + + /* The requested directory must be the volume-relative "root" directory */ + + if (relpath && relpath[0] != '\0') + { + /* Check if there is a file with this name. */ + + if (namedapp_isavail(relpath) < 0) + { + ret = -ENOENT; + goto errout_with_semaphore; + } + + /* It's a execute-only file name */ + + buf->st_mode = S_IFREG|S_IXOTH|S_IXGRP|S_IXUSR; + } + else + { + /* It's a read/execute-only directory name */ + + buf->st_mode = S_IFDIR|S_IROTH|S_IRGRP|S_IRUSR|S_IXOTH|S_IXGRP|S_IXUSR; + } + + /* File/directory size, access block size */ + + buf->st_size = 0; + buf->st_blksize = 0; + buf->st_blocks = 0; + ret = OK; + +errout_with_semaphore: + binfs_semgive(bm); + return ret; +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +#endif /* !CONFIG_DISABLE_MOUNTPOINT && CONFIG_APPS_BINDIR */ + diff --git a/apps/namedapp/exec_namedapp.c b/apps/namedapp/exec_namedapp.c new file mode 100644 index 000000000..264fca7b9 --- /dev/null +++ b/apps/namedapp/exec_namedapp.c @@ -0,0 +1,187 @@ +/**************************************************************************** + * apps/namedaps/exec_namedapp.c + * + * Copyright (C) 2011 Uros Platise. All rights reserved. + * Author: Uros Platise + * + * With updates, modifications, and general maintenance by: + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Auther: Gregory Nutt + * + * 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 +#include +#include + +#include +#include + +#include "namedapp.h" + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: namedapp_getname + * + * Description: + * Return the name of the application at index in the table of named + * applications. + * + ****************************************************************************/ + +const char *namedapp_getname(int index) +{ + if (index < 0 || index >= number_namedapps()) + { + return NULL; + } + + return namedapps[index].name; +} + +/**************************************************************************** + * Name: namedapp_isavail + * + * Description: + * Return the index into the table of applications for the applicaiton with + * the name 'appname'. + * + ****************************************************************************/ + +int namedapp_isavail(FAR const char *appname) +{ + int i; + + for (i = 0; namedapps[i].name; i++) + { + if (!strcmp(namedapps[i].name, appname)) + { + return i; + } + } + + set_errno(ENOENT); + return ERROR; +} + +/**************************************************************************** + * Name: namedapp_isavail + * + * Description: + * Execute the application with name 'appname', providing the arguments + * in the argv[] array. + * + * Returned Value: + * On success, the task ID of the named application is returned. On + * failure, -1 (ERROR) is returned an the errno value is set appropriately. + * + ****************************************************************************/ + +int exec_namedapp(FAR const char *appname, FAR const char **argv) +{ + pid_t pid; + int index; + + /* Verify that an application with this name exists */ + + index = namedapp_isavail(appname); + if (index >= 0) + { + /* Disable pre-emption. This means that although we start the named + * application here, it will not actually run until pre-emption is + * re-enabled below. + */ + + sched_lock(); + + /* Start the named application task */ + + pid = TASK_CREATE(namedapps[index].name, namedapps[index].priority, + namedapps[index].stacksize, namedapps[index].main, + (argv) ? &argv[1] : (const char **)NULL); + + /* If robin robin scheduling is enabled, then set the scheduling policy + * of the new task to SCHED_RR before it has a chance to run. + */ + +#if CONFIG_RR_INTERVAL > 0 + if (pid > 0) + { + struct sched_param param; + + /* Pre-emption is disabled so the task creation and the + * following operation will be atomic. The priority of the + * new task cannot yet have changed from its initial value. + */ + + param.sched_priority = namedapps[index].priority; + sched_setscheduler(pid, SCHED_RR, ¶m); + } +#endif + /* Now let the named application run */ + + sched_unlock(); + + /* Return the task ID of the new task if the task was sucessfully + * started. Otherwise, pid will be ERROR (and the errno value will + * be set appropriately). + */ + + return pid; + } + + /* Return ERROR with errno set appropriately */ + + return ERROR; +} diff --git a/apps/namedapp/namedapp.c b/apps/namedapp/namedapp.c new file mode 100644 index 000000000..d59ce6e3b --- /dev/null +++ b/apps/namedapp/namedapp.c @@ -0,0 +1,96 @@ +/**************************************************************************** + * apps/namedaps/namedapp.c + * + * Copyright (C) 2011 Uros Platise. All rights reserved. + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Authors: Uros Platise + * Gregory Nutt + * + * 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 +#include + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +#include "namedapp_proto.h" + +const struct namedapp_s namedapps[] = +{ +# include "namedapp_list.h" + { NULL, 0, 0, 0 } +}; + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +int number_namedapps(void) +{ + return sizeof(namedapps)/sizeof(struct namedapp_s) - 1; +} + + diff --git a/apps/namedapp/namedapp.h b/apps/namedapp/namedapp.h new file mode 100644 index 000000000..7fcdf42dc --- /dev/null +++ b/apps/namedapp/namedapp.h @@ -0,0 +1,78 @@ +/**************************************************************************** + * apps/namedaps/namedapp.h + * + * Copyright (C) 2011 Uros Platise. All rights reserved. + * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. + * Authors: Uros Platise + * Gregory Nutt + * + * 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. + * + ****************************************************************************/ + +#ifndef __APPS_NAMEDAPP_NAMEDAPP_H +#define __APPS_NAMEDAPP_NAMEDAPP_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include +#include + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +EXTERN const struct namedapp_s namedapps[]; + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +EXTERN int number_namedapps(void); + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __APPS_NAMEDAPP_NAMEDAPP_H */ + -- cgit v1.2.3