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2015-09-12Add support for ANSI.SYS SCP/RCP escape codesJames Clarke
This adds support for CSI s and u, which are equivalent to ESC 7 and 8, saving/restoring the cursor position. * console/display.c (handle_esc_bracket): Added support for CSI s and u.
2015-09-11Fix detection of terminated dgram pflocal serverSamuel Thibault
* libpipe/pipe.c (_pipe_no_readers): Break pipe for connection-less pipes too.
2015-09-11Fix closure of local server socketsSamuel Thibault
Since bound socks always have a ref for their address, they would never get freed. Thanks Svante Signell for the investigation. * pflocal/sock.h (sock_deref): When `sock' has one ref left and is bound to an address, unbound it, and thus shut it down.
2015-09-11Fix sock_bind(sock,NULL) supportSamuel Thibault
* pflocal/sock.c (sock_bind): When addr is NULL, do not take/release its mutex. When old_addr is also NULL, return EINVAL. When old_addr is not NULL, deref old_addr instead of addr.
2015-09-10Install port-deref-deferred.h header for ports.hJames Clarke
* libports/Makefile (installhdrs): Add port-deref-deferred.h for ports.h
2015-09-10Do not install libtrivfs mig stub headersSamuel Thibault
They were not usable anyway. * libtrivfs/Makefile (installhdrs): Remove generated mig stub headers.
2015-09-09libshouldbeinlibc/maptime: use memory fencesJustus Winter
* libshouldbeinlibc/maptime.h (maptime_read): Use memory fences.
2015-09-09pflocal: avoid nested functionJustus Winter
* pflocal/io.c (copy_time): Move function out of `S_io_stat', turning it into a static inline function.
2015-09-09umount: Do not report errors on making the device go awaySamuel Thibault
This fixes umounting bind mounts or other mounts for which the device can not be made away. * utils/umount.c (do_umount): When the --force option is not passed, ignore errors from file_set_translator call on the device file.
2015-09-08Also do not realpath "proc" pseudo-deviceSamuel Thibault
* sutils/fstab.c (fstab_find_device): Do not realpath "proc" pseudo-device.
2015-09-08Make procfs accept none or proc as "device"Samuel Thibault
This allows "mount none /proc -t proc" to work. * procfs/main.c (argp_parser): On ARGP_KEY_ARG, accept and ignore "none" and "proc".
2015-09-08Fix opening a fifo with O_RDWRSamuel Thibault
We should not wait for a writer in that case, since that will be ourself. * trans/fifo.c (open_hook): Do not wait for a writer when flags contains O_WRITE.
2015-09-06Fix race condition in ext2fs when remountingJames Clarke
On some systems, ext2fs.static would regularly hang at startup, as a race condition meant it would process paging requests while remounting. To fix this, libpager has been altered to allow inhibiting and resuming its worker threads, and ext2fs uses this to inhibit paging while remounting. * console/pager.c (pager_requests): New variable. (user_pager_init): Updated call to pager_start_workers to use new pager_requests variable. * daemons/runsystem.sh: Removed artificial delay working around the race condition. * ext2fs/ext2fs.c (diskfs_reload_global_state): Call new inhibit_ext2_pager and resume_ext2_pager functions, and leave sblock as non-NULL so it will be munmapped. * ext2fs/ext2fs.h (inhibit_ext2_pager,resume_ext2_pager): New functions. * ext2fs/pager.c (file_pager_requests): New variable. (create_disk_pager): Updated call to pager_start_workers to use new file_pager_requests variable. (inhibit_ext2_pager,resume_ext2_pager): New functions. * fatfs/fatfs.h (inhibit_fat_pager,resume_fat_pager): New functions. * fatfs/pager.c (file_pager_requests): New variable. (create_fat_pager): Updated call to pager_start_workers to use new file_pager_requests variable. (inhibit_fat_pager,resume_fat_pager): New functions. * libdiskfs/disk-pager.c (diskfs_disk_pager_requests): New variable. (diskfs_start_disk_pager): Updated call to pager_start_workers to use new diskfs_disk_pager_requests variable. * libdiskfs/diskfs-pager.h (diskfs_disk_pager_requests): New variable. * libpager/demuxer.c (struct pager_requests): Renamed struct requests to struct pager_requests. Replaced queue with queue_in and queue_out pointers. Added inhibit_wakeup field. (pager_demuxer): Updated to use new queue_in/queue_out pointers. Only wake up workers if not inhibited. (worker_func): Updated to use new queue_in/queue_out pointers. Final worker thread to sleep notifies the inhibit_wakeup condition variable. (pager_start_workers): Added out parameter for the requests instance. Allocate heap space shared by both queues. Initialise new inhibit_wakeup condition. (pager_inhibit_workers,pager_resume_workers): New functions. * libpager/pager.h (struct pager_requests): Public forward definition. (pager_start_workers): Added out parameter for the requests instance. (pager_inhibit_workers,pager_resume_workers): New functions. * libpager/queue.h (queue_empty): New function. * storeio/pager.c (pager_requests): New variable. (init_dev_paging): Updated call to pager_start_workers to use new pager_requests variable.
2015-08-31Fix build against glibc 2.21Samuel Thibault
* Makeconf (CPPFLAGS): Remove -D_IO_MTSAFE_IO. * libthreads/lockfile.c (_IO_MTSAFE_IO): Define macro. (IS_IN): Define macro to 0.
2015-08-25libdiskfs: rename `error' variableJustus Winter
* libdiskfs/dir-lookup.c (diskfs_S_dir_lookup): Rename `error' to `err'. * libdiskfs/file-getcontrol.c (diskfs_S_file_getcontrol): Likewise. * libdiskfs/file-syncfs.c (diskfs_S_file_syncfs): Likewise.
2015-08-25libdiskfs: add missing declarationsJustus Winter
* libdiskfs/diskfs.h (diskfs_node_disknode): Add missing declaration. (diskfs_disknode_node): Likewise.
2015-08-25libdiskfs: fix typoJustus Winter
* libdiskfs/diskfs.h: Fix typo.
2015-08-20libdiskfs: fix parent lookup in the name cacheJustus Winter
* libdiskfs/name-cache.c (diskfs_check_lookup_cache): Drop stray negation.
2015-08-15ext2fs: provide unconditional debug macroJustus Winter
* ext2fs/ext2fs.h (ext2_debug_): New macro that unconditionally prints the given message. (ext2_debug): Use the new macro.
2015-08-15ext2fs: improve ext2fs debuggingJustus Winter
* ext2fs/ext2fs.h (ext2_debug): Print to stderr. (printf): Drop declaration.
2015-08-14Fake full file access only for faked nodesSamuel Thibault
Otherwise some scripts may try to modify system files just because they find they seem to be able to. * trans/fakeroot.c (netfs_report_access): When FAKE_MODE is not set on `np', call file_check_access on the underlying node instead of returning O_RDWR|O_EXEC.
2015-08-14Make fakeroot return file types from underly fsSamuel Thibault
Fakeroot does not support faking them anyway, and they may change on the underlying fs, e.g. when creating a local socket. * trans/fakeroot.c (netfs_validate_stat): Return S_IFMT part of st_mode as provided by underlying filesystem.
2015-08-14libports: clarify why we emulate protected payloadsJustus Winter
The Hurd uses protected payloads to improve the receiver lookup on the server side to the point that we no longer do a hash table lookup in the dispatch code. If the kernel does not support protected payloads, we degrade gracefully, do one lookup in libports' dispatching code, and emulate the protected payload feature to still save one hash table lookup in the intrans function. * libports/manage-multithread.c (ports_manage_port_operations_multithread): Add comment. * libports/manage-one-thread.c (ports_manage_port_operations_one_thread): Likewise.
2015-08-14pflocal: fix receiver lookupJustus Winter
* pflocal/mig-decls.h (begin_using_addr_payload): Use `ports_lookup_payload'.
2015-08-08Print which path init tried to execvSamuel Thibault
* init/init.c (main): On execv failure, print which path failed.
2015-07-14exec: fix setting the name of early serversJustus Winter
Previously, the exec server did not set the name of the servers started before the proc server. Instead this was done by the startup server, but this was merely a workaround, missing notably the startup server itself. * exec/exec.c (set_name): New function. (do_exec): Move the code setting the name to a new function, and also call it if the proc server is not started yet. * startup/startup.c (run): Drop hack.
2015-07-04Do not keep mutex locked while waiting for authenticate loopSamuel Thibault
* libdiskfs/io-reauthenticate.c (diskfs_S_io_reauthenticate): Release the node lock while blocking on the auth server and client. * libnetfs/io-reauthenticate.c (netfs_S_io_reauthenticate): Likewise. * pfinet/io-ops.c (S_io_reauthenticate): Likewise.
2015-06-30utils/rpcscan: new utilityJustus Winter
* utils/rpcscan.c: New file. * utils/Makefile: Add `rpcscan'.
2015-06-30utils: split-off the message id parsingJustus Winter
* utils/rpctrace.c: Move all the code handling the message id files... * utils/msgids.c: ... to a new file. * utils/msgids.h: And add the relevand declarations. * utils/Makefile (SRCS): Add the new file.
2015-06-17Cope with scripts which chmod -x directoriesSvante Signell
As well as other potential mode changes which are indeed supposed to still work as root. * trans/fakeroot.c (netfs_attempt_chmod): Always set S_IRUSR and S_IWUSR in real_mode, and set S_IXUSR also when this is a directory.
2015-06-05Fix ps -o %r infinite loopEsa Peuha
* libps/fmt.c (_fmt_create): When nothing at all was recognized, break out instead of looping.
2015-06-05libdiskfs: do not print a message on ENOMEMJustus Winter
* libdiskfs/node-cache.c (diskfs_node_iterate): Do not print a message on ENOMEM.
2015-06-05Check AWK usability when XKB is enabledDiego Nieto Cid
* configure.ac: test whether AWK provides strtonum function.
2015-06-05console-client: Fix lower range of binary searchDiego Nieto Cid
To prevent infinite recursion range checking was introduced as an exit condition adding two extra comparisons on each recursive call. By fixing the range used by the recursive call over the lower half of the array one can avoid penalizing successful lookups while still preventing infinite recursion due to `first` parameter being greater than `last` parameter. * console-client/xkb/kstoucs.c (find_ucs): don't remove middle from the lower range. Remove extra comparisons.
2015-06-05console-client: assert preconditionDiego Nieto Cid
* console-client/xkb/kstoucs.c (find_ucs): assert precondition.
2015-05-23utils/vmstat: fix integer overflowJustus Winter
Previously, the `vmstat' utility would stop displaying the memory object hit ratio after some time due to an integer overflow. * utils/vmstat.c (get_memobj_hit_ratio): Fix integer overflow.
2015-05-23utils/rpctrace: fix build with -O0Justus Winter
* utils/Makefile: Link against `libshouldbeinlibc'.
2015-05-23console-client: fix binary searchJustus Winter
Previously, the binary search through the keysym map was incorrectly implemented. This resulted in infinite loops (thanks to the compilers tail call optimization) or crashes (if the stack space was exhausted). * console-client/xkb/kstoucs.c (find_ucs): Fix binary search.
2015-05-23console-client: avoid nested functionJustus Winter
* console-client/xkb/kstoucs.c (find_ucs): Previously, this function was a nested function for no reason at all. Turn it into a normal function.
2015-05-23console-client: fix build with -O0Justus Winter
* console-client/timer.h (fetch_jiffies): Make function `static inline'.
2015-05-23fakeroot: Fix reopening files after a chmodSamuel Thibault
Huge thanks to Svante Signell for having tracked the bug. * trans/fakeroot.c (netfs_attempt_chmod): Make the file_chmod call additionally include the modes from nn->openmodes.
2015-05-23Make comment clearerSamuel Thibault
* trans/fakeroot.c (check_openmodes): Make comment clearer about missing new openmodes.
2015-05-23Make sure to record only RWX open modesSamuel Thibault
Thanks Svante Signell for the investigation and proposed patch. * trans/fakeroot.c (new_node): Assert that `openmodes' includes only O_RDWR|O_EXEC (check_openmodes): Likewise with `newmodes'. (netfs_S_dir_lookup): Keep only O_RDWR|O_EXEC from `flags' when calling new_node.
2015-05-19fatfs: fix error handlingJustus Winter
* fatfs/dir.c (diskfs_dirrewrite_hard): Fix error handling.
2015-05-19libdiskfs: fix renaming of directoriesJustus Winter
Previously, file permissions and ownership of the target directory were ignored when renaming a directory: % mkdir a b % chmod 555 a % mv b a % ls a b * libdiskfs/dir-renamed.c (diskfs_rename_dir): Fix error handling.
2015-05-14Fix creating named sockets inside fakeroot-hurdSvante Signell
* trans/fakeroot.c (netfs_set_translator): New function.
2015-04-17fatfs: port to libdiskfs' node cacheJustus Winter
* fatfs/inode.c: Drop all cache-related code. (diskfs_user_make_node): New function. (diskfs_cached_lookup_in_dirbuf): Reimplement using the `lookup_context'. (read_node): Rename to diskfs_user_read_node and adopt accordingly. (diskfs_try_dropping_softrefs): Rename to `diskfs_user_try_dropping_softrefs'. (diskfs_node_reload): Pass context to `diskfs_user_read_node'. (diskfs_alloc_node): Pass `dir' via context to `diskfs_user_read_node'. * fatfs/fatfs.h (struct disknode): Drop fields `hnext', `hprevp'. (struct lookup_context): New definition. (ifind): Drop declaration. * fatfs/dir.c (diskfs_lookup_hard): Adjust accordingly. * fatfs/main.c (fetch_root): Likewise.
2015-04-17isofs: port to libdiskfs' node cacheJustus Winter
* isofs/inode.c: Drop all cache-related code. (diskfs_user_make_node): New function. (calculate_file_start): Check for `record' being null. (cache_id): New function. (read_node): Rename to diskfs_user_read_node and adopt accordingly. (diskfs_try_dropping_softrefs): Rename to diskfs_user_try_dropping_softrefs. * isofs/isofs.h (struct lookup_context): New definition. (cache_id): New declaration. * isofs/lookup.c (diskfs_lookup_hard): Adjust accordingly. * isofs/main.c (fetch_root): Likewise.
2015-04-17libdiskfs: implement a node cacheJustus Winter
Previously, all users of libdiskfs implemented a node cache on their own. Move the node cache from ext2fs into libdiskfs. We preserve the previous API by marking all functions that we pull from ext2fs as weak, so that users like tmpfs can still implement their own node cache. * ext2fs/dir.c (diskfs_lookup_hard): Adjust accordingly. * ext2fs/ext2fs.c (main): Don't call `inode_init'. * ext2fs/ext2fs.h (struct disknode): Drop `hnext', `hprevp'. * ext2fs/inode.c: Move the node cache into diskfs. (diskfs_user_make_node): New function. (diskfs_try_dropping_softrefs): Rename to `diskfs_user_try_dropping_softrefs'. (read_node): Rename to `diskfs_user_read_node'. Also move a chunk of code dealing with generations from `diskfs_cached_lookup' here. * libdiskfs/Makefile (OTHERSRCS): Add `node-cache.c'. * libdiskfs/diskfs.h (struct node): Add `hnext', `hprevp'. Amend existing comments, add forward declarations. * libdiskfs/node-cache.c: New file.
2015-04-17ext2fs: use fat nodesJustus Winter
Use `diskfs_make_node_alloc' to allocate both the node and the disknode in a continuous chunk of memory. This increases locality and reduces the pressure on the memory allocator. * ext2fs/inode.c: Use `diskfs_node_disknode' to access the disknode. (diskfs_cached_lookup): Use `diskfs_make_node_alloc' to allocate the node. (diskfs_node_norefs): Only free `np'. * ext2fs/dir.c: Use `diskfs_node_disknode' to access the disknode. * ext2fs/ext2fs.h: Likewise. * ext2fs/getblk.c: Likewise. * ext2fs/ialloc.c: Likewise. * ext2fs/pager.c: Likewise. * ext2fs/truncate.c: Likewise.
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