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* IMFS: Replace node union with individual structSebastian Huber2015-01-271-138/+0
| | | | | | This reduces the average node size. Add and use IMFS_GENERIC_INITIALIZER().
* Change all references of rtems.com to rtems.org.Chris Johns2014-03-211-1/+1
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* libfs: Doxygen Enhancement Task #1Alex Ivanov2012-12-201-19/+7
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* Remove All CVS Id Strings Possible Using a ScriptJoel Sherrill2012-05-111-2/+0
| | | | | | | | | | | | Script does what is expected and tries to do it as smartly as possible. + remove occurrences of two blank comment lines next to each other after Id string line removed. + remove entire comment blocks which only exited to contain CVS Ids + If the processing left a blank line at the top of a file, it was removed.
* IMFS: New support functionsSebastian Huber2012-03-131-4/+4
| | | | Add and use IMFS_type() and IMFS_is_directory().
* Filesystem: Reference counting for locationsSebastian Huber2012-03-131-12/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | o A new data structure rtems_filesystem_global_location_t was introduced to be used for o the mount point location in the mount table entry, o the file system root location in the mount table entry, o the root directory location in the user environment, and o the current directory location in the user environment. During the path evaluation global start locations are obtained to ensure that the current file system instance will be not unmounted in the meantime. o The user environment uses now reference counting and is protected from concurrent access. o The path evaluation process was completely rewritten and simplified. The IMFS, RFS, NFS, and DOSFS use now a generic path evaluation method. Recursive calls in the path evaluation have been replaced with iteration to avoid stack overflows. Only the evaluation of symbolic links is recursive. No dynamic memory allocations and intermediate buffers are used in the high level path evaluation. No global locks are held during the file system instance specific path evaluation process. o Recursive symbolic link evaluation is now limited by RTEMS_FILESYSTEM_SYMLOOP_MAX. Applications can retrieve this value via sysconf(). o The device file system (devFS) uses now no global variables and allocation from the workspace. Node names are allocated from the heap. o The upper layer lseek() performs now some parameter checks. o The upper layer ftruncate() performs now some parameter checks. o unmask() is now restricted to the RWX flags and protected from concurrent access. o The fchmod_h and rmnod_h file system node handlers are now a file system operation. o The unlink_h operation has been removed. All nodes are now destroyed with the rmnod_h operation. o New lock_h, unlock_h, clonenod_h, and are_nodes_equal_h file system operations. o The path evaluation and file system operations are now protected by per file system instance lock and unlock operations. o Fix and test file descriptor duplicate in fcntl(). o New test fstests/fsnofs01.
* 2011-12-06 Ralf Corsépius <ralf.corsepius@rtems.org>Ralf Corsepius2011-12-061-2/+2
| | | | | | * libfs/src/imfs/imfs_debug.c: Make IMFS_print_jnode, IMFS_dump_directory static. * libfs/src/imfs/memfile.c: Make memfile_free_blocks_in_table static.
* 2010-11-25 Sebastian Huber <sebastian.huber@embedded-brains.de>Sebastian Huber2010-11-251-1/+1
| | | | | | | | | | | | | | | | | | * libfs/src/dosfs/fat_file.c, libfs/src/imfs/imfs_debug.c, libfs/src/imfs/imfs_directory.c, libfs/src/imfs/imfs_getchild.c, posix/src/killinfo.c, score/inline/rtems/score/schedulerpriority.inl, score/inline/rtems/score/watchdog.inl, score/src/apiext.c, score/src/chain.c, score/src/coremsgflushsupp.c, score/src/coremsginsert.c, score/src/objectshrinkinformation.c, score/src/schedulerpriorityyield.c, score/src/threadqdequeuepriority.c, score/src/threadqenqueuepriority.c, score/src/threadqextractpriority.c, score/src/threadqfirstfifo.c, score/src/threadqfirstpriority.c, score/src/threadyieldprocessor.c, score/src/userextthreadbegin.c, score/src/userextthreadcreate.c, score/src/userextthreaddelete.c, score/src/userextthreadrestart.c, score/src/userextthreadstart.c, score/src/userextthreadswitch.c, score/src/watchdogreportchain.c: Avoid chain API violations.
* 2010-07-30 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2010-07-301-15/+5
| | | | | | | | * libcsupport/src/fstat.c, libcsupport/src/rmdir.c, libfs/src/imfs/imfs.h, libfs/src/imfs/imfs_creat.c, libfs/src/imfs/imfs_debug.c, libfs/src/imfs/imfs_getchild.c, libfs/src/imfs/memfile.c: Add IMFS_assert. Clean up and remove all checks which are redundant with system call layer. Formatting.
* 2010-07-16 Sebastian Huber <sebastian.huber@embedded-brains.de>Sebastian Huber2010-07-151-14/+0
| | | | | | * libfs/src/imfs/imfs.h: Changed IMFS_jnode_types_t to an enum. Removed IMFS_NUMBER_OF_TYPES define. * libfs/src/imfs/imfs_debug.c: Removed IMFS_types.
* 2010-06-24 Joel Sherrill <joel.sherrilL@OARcorp.com>Joel Sherrill2010-06-241-15/+15
| | | | | | | | | * libfs/src/imfs/imfs_creat.c, libfs/src/imfs/imfs_debug.c, libfs/src/imfs/imfs_directory.c, libfs/src/imfs/imfs_eval.c, libfs/src/imfs/imfs_fsunmount.c, libfs/src/imfs/imfs_getchild.c, libfs/src/imfs/imfs_initsupp.c, libfs/src/imfs/ioman.c, libfs/src/imfs/memfile.c: Evaluate all assert calls in IMFS. Either made them conditional on RTEMS_DEBUG or eliminated them.
* 2008-10-14 Wei Shen <cquark@gmail.com>Joel Sherrill2008-10-141-0/+5
| | | | | | | | | | | | * Makefile.am, preinstall.am, libcsupport/src/mknod.c, libcsupport/src/open.c, libcsupport/src/pipe.c, libfs/Makefile.am, libfs/preinstall.am, libfs/src/imfs/imfs.h, libfs/src/imfs/imfs_creat.c, libfs/src/imfs/imfs_debug.c, libfs/src/imfs/imfs_eval.c, libfs/src/imfs/imfs_initsupp.c, libfs/src/imfs/imfs_mknod.c, libfs/src/imfs/imfs_stat.c, libfs/src/imfs/memfile.c: Initial commit of POSIX pipe support. * libfs/src/imfs/imfs_fifo.c, libfs/src/pipe/fifo.c, libfs/src/pipe/pipe.c, libfs/src/pipe/pipe.h: New files.
* 2008-07-03 Chris Johns <chrisj@rtems.org>Chris Johns2008-07-031-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cpukit/libcsupport/include/chain.h: Removed. Use the SAPI interface that is supported. * cpukit/libcsupport/Makefile.am, cpukit/libcsupport/preinstall.am: Remove chain.h header references. * cpukit/sapi/include/rtems/chain.h, cpukit/sapi/inline/rtems/chain.inl: New. A supported chains interface. * cpukit/sapi/Makefile.am, cpukit/sapi/preinstall.am: Updated to include the new chains interface. * cpukit/libfs/src/imfs/imfs.h, cpukit/libfs/src/imfs/imfs_creat.c, cpukit/libfs/src/imfs/imfs_debug.c, cpukit/libfs/src/imfs/imfs_directory.c, cpukit/libfs/src/imfs/imfs_fsunmount.c, cpukit/libfs/src/imfs/imfs_getchild.c, cpukit/libfs/src/imfs/imfs_load_tar.c, cpukit/libfs/src/imfs/imfs_rmnod.c, cpukit/libfs/src/imfs/memfile.c, cpukit/libfs/src/nfsclient/src/nfs.c, cpukit/libcsupport/include/rtems/libio.h, cpukit/libcsupport/src/malloc_deferred.c, cpukit/libcsupport/src/mount.c, cpukit/libcsupport/src/privateenv.c, cpukit/libcsupport/src/unmount.c: Change to the new chains interface. * cpukit/libcsupport/src/malloc_boundary.c: Remove warning.
* 2006-08-29 Joel Sherrill <joel@OARcorp.com>Joel Sherrill2006-08-291-6/+8
| | | | | | | | | * libfs/src/dosfs/fat.h, libfs/src/dosfs/msdos.h, libfs/src/dosfs/msdos_create.c, libfs/src/dosfs/msdos_eval.c, libfs/src/dosfs/msdos_file.c, libfs/src/dosfs/msdos_free.c, libfs/src/dosfs/msdos_fsunmount.c, libfs/src/dosfs/msdos_init.c, libfs/src/dosfs/msdos_misc.c, libfs/src/dosfs/msdos_mknod.c, libfs/src/imfs/imfs_debug.c: Remove warnings.
* 2004-04-17 Ralf Corsepius <ralf_corsepius@rtems.org>Ralf Corsepius2004-04-171-13/+13
| | | | | * libfs/src/imfs/imfs_debug.c, libfs/src/imfs/memfile.c: Use fprintf(stdout,...) instead of printf.
* Remove stray white spaces.Ralf Corsepius2004-04-171-2/+2
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* 2003-09-04 Joel Sherrill <joel@OARcorp.com>Joel Sherrill2003-09-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * src/dosfs/dosfs.h, src/dosfs/fat.h, src/dosfs/fat_fat_operations.h, src/dosfs/fat_file.h, src/dosfs/msdos.h, src/dosfs/msdos_create.c, src/dosfs/msdos_dir.c, src/dosfs/msdos_eval.c, src/dosfs/msdos_file.c, src/dosfs/msdos_free.c, src/dosfs/msdos_fsunmount.c, src/dosfs/msdos_handlers_dir.c, src/dosfs/msdos_handlers_file.c, src/dosfs/msdos_init.c, src/dosfs/msdos_initsupp.c, src/dosfs/msdos_misc.c, src/dosfs/msdos_mknod.c, src/dosfs/msdos_node_type.c, src/imfs/deviceio.c, src/imfs/imfs.h, src/imfs/imfs_chown.c, src/imfs/imfs_config.c, src/imfs/imfs_creat.c, src/imfs/imfs_debug.c, src/imfs/imfs_directory.c, src/imfs/imfs_eval.c, src/imfs/imfs_fchmod.c, src/imfs/imfs_fcntl.c, src/imfs/imfs_fdatasync.c, src/imfs/imfs_free.c, src/imfs/imfs_fsunmount.c, src/imfs/imfs_getchild.c, src/imfs/imfs_gtkn.c, src/imfs/imfs_handlers_device.c, src/imfs/imfs_handlers_directory.c, src/imfs/imfs_handlers_link.c, src/imfs/imfs_handlers_memfile.c, src/imfs/imfs_init.c, src/imfs/imfs_initsupp.c, src/imfs/imfs_link.c, src/imfs/imfs_mknod.c, src/imfs/imfs_mount.c, src/imfs/imfs_ntype.c, src/imfs/imfs_readlink.c, src/imfs/imfs_rmnod.c, src/imfs/imfs_stat.c, src/imfs/imfs_symlink.c, src/imfs/imfs_unixstub.c, src/imfs/imfs_unlink.c, src/imfs/imfs_unmount.c, src/imfs/imfs_utime.c, src/imfs/ioman.c, src/imfs/linearfile.c, src/imfs/memfile.c, src/imfs/miniimfs_init.c: URL for license changed.
* 2001-04-20 Joel Sherrill <joel@OARcorp.com>Joel Sherrill2001-04-201-0/+5
| | | | | | | | * src/imfs/imfs_debug.c (IMFS_print_jnode): Modified to print only information that does not vary based on target or memory configuration. The old prints are still there in case they are needed in the future to debug. Printing target dependent addresses makes the test output vary by target unnecessarily.
* 2001-01-22 Ralf Corsepius <corsepiu@faw.uni-ulm.de>Joel Sherrill2001-01-221-0/+4
| | | | | | | * configure.in: Add src/imfs/config.h * src/imfs/Makefile.am: Add INCLUDES += -I. to pickup config.h * src/imfs/.cvsignore: Add config.h and stamp-h * src/imfs/*.c: Add config.h support.
* 2000-12-12 Jake Janovetz <janovetz@uiuc.edu>Joel Sherrill2000-12-131-1/+9
| | | | | | | | | | | | | * src/imfs/linearfile.c, src/imfs/imfs_load_tar.c: New files. * src/imfs/Makefile.am, src/imfs/imfs.h, src/imfs/imfs_creat.c, src/imfs/imfs_debug.c, src/imfs/imfs_eval.c, src/imfs/imfs_handlers_memfile.c, src/imfs/imfs_init.c, src/imfs/imfs_initsupp.c, src/imfs/imfs_stat.c, src/imfs/miniimfs_init.c: Added "tarfs". This is not really a tar filesystem. It is a way to load a tar image into the IMFS but actually leave bulky file contents in the original tar image. It essentially adds the linear file type and associated support and a loader routine.
* 2000-11-01 Joel Sherrill <joel@OARcorp.com>Joel Sherrill2000-11-011-1/+1
| | | | | | | | | | | | | | | | | * src/imfs/Makefile.am, src/imfs/deviceio.c, src/imfs/imfs_chown.c, src/imfs/imfs_config.c, src/imfs/imfs_creat.c, src/imfs/imfs_debug.c, src/imfs/imfs_directory.c, src/imfs/imfs_eval.c, src/imfs/imfs_fchmod.c, src/imfs/imfs_free.c, src/imfs/imfs_fsunmount.c, src/imfs/imfs_gtkn.c, src/imfs/imfs_init.c, src/imfs/imfs_initsupp.c, src/imfs/imfs_link.c, src/imfs/imfs_mknod.c, src/imfs/imfs_mount.c, src/imfs/imfs_readlink.c, src/imfs/imfs_rmnod.c, src/imfs/imfs_stat.c, src/imfs/imfs_symlink.c, src/imfs/imfs_unixstub.c, src/imfs/imfs_unlink.c, src/imfs/imfs_unmount.c, src/imfs/imfs_utime.c, src/imfs/ioman.c, src/imfs/memfile.c, src/imfs/miniimfs_init.c: assoc.h, error.h, libio_.h, libio.h, and libcsupport.h moved from libc to lib/include/rtems and now must be referenced as <rtems/XXX.h>. Now we do not have to reach up and over to libc to pick them up.
* Updated copyright notice.Joel Sherrill1999-11-171-2/+1
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* Changed leading spaces to periods to ease comparing test output.Joel Sherrill1999-10-251-1/+1
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* Added base version of file system infrastructure. This includes a majorJoel Sherrill1998-11-231-0/+160
overhaul of the RTEMS system call interface. This base file system is the "In-Memory File System" aka IMFS. The design and implementation was done by the following people: + Joel Sherrill (joel@OARcorp.com) + Jennifer Averett (jennifer@OARcorp.com) + Steve "Mr Mount" Salitasc (salitasc@OARcorp.com) + Kerwin Wade (wade@OARcorp.com) PROBLEMS ======== + It is VERY likely that merging this will break the UNIX port. This can/will be fixed. + There is likely some reentrancy/mutual exclusion needed. + Eventually, there should be a "mini-IMFS" description table to eliminate links, symlinks, etc to save memory. All you need to have "classic RTEMS" functionality is technically directories and device IO. All the rest could be left out to save memory.
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