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2014-04-30ext2fs: improve diskfs_node_iterateJustus Winter
Currently, diskfs_node_iterate iterates twice over all nodes in the cache. The first time only to determine the number of nodes currently in the cache. Simply count them instead. * ext2fs/inode.c (nodehash_nr_items): New variable. (diskfs_cached_lookup): Increment nodehash_nr_items. (diskfs_node_norefs): Decrement nodehash_nr_items. (diskfs_node_iterate): Fix the type of num_nodes, use nodehash_nr_items.
2014-04-30fatfs: simplify expressionJustus Winter
* fatfs/pager.c (add_pager_max_prot): Simplify expression.
2014-04-29libports: reduce malloc overhead in _ports_bucket_class_iterateJustus Winter
_ports_bucket_class_iterate creates a snapshot of the buckets hash table. This is done so that the lock protecting the hash table can be released while we iterate over the snapshot. Formerly, a linked list was used to store the snapshot. As the maximal number of items is known, using an array is much simpler. _ports_bucket_class_iterate implements both ports_bucket_iterate and ports_class_iterate. For this change might make ports_class_iterate less efficient memory-wise if the number of ports belonging to the class is low with respect to the number of ports in the bucket. If this happens, we allocate too much. Alleviate this by releasing unused memory. On the other hand, the array representation is more compact. Furthermore a survey of the Hurd code revealed that ports_class_iterate is rarely used, while ports_bucket_iterate is used more often, most prominently in paging code. * libports/bucket-iterate.c (_ports_bucket_class_iterate): Use an array instead of a linked list.
2014-04-29ext2fs: simplify expressionJustus Winter
* ext2fs/pager.c (add_pager_max_prot): Simplify expression.
2014-04-29ext2fs: fix type of inumJustus Winter
Previously, inum was of type int, whereas dino_ref expects ino_t. On Hurd/x86 the former is 32 bit wide, the latter 64. If dino_ref is inlined, this does not seem to pose a problem, but if ext2fs is compiled with -O0, this most likely results in an invalid memory access. * ext2fs/ialloc.c (ext2_alloc_inode): Use type ino_t for inum.
2014-04-29exec: abbreviate the task name if necessaryJustus Winter
* exec/exec.c (do_exec): If the formatted task name exceeds TASK_NAME_SIZE, abbreviate it.
2014-04-29libports: work around bugs in server terminationJustus Winter
Some servers use ports_manage_port_operations_one_thread to process requests and terminate when it returns. Since many of them don't detach before shutting down, a client may receive an error if its request arrived while the server is shutting down. Prevent those spurious errors by forcing ports_manage_port_operations_one_thread not to return. This is the same change as 235491231bdd1fd93507c835767503f047e10b91 introduced for ports_manage_port_operations_multithread. * libports/manage-one-thread.c (ports_manage_port_operations_one_thread): Force timeout to 0.
2014-04-29libdiskfs: set the default sync interval to 30 secondsJustus Winter
The default sync interval has been changed in 9e55fdd7 from 30 to 5 seconds. This change was not reflected in the documentation. At least for current hardware, using 30 seconds instead of just 5 alleviates the thread-storm problem. Make 30 seconds the default again. * libdiskfs/priv.h (DEFAULT_SYNC_INTERVAL): Set to 30 seconds.
2014-04-22Add missing receiver lookup fixSamuel Thibault
following 7cb7fa6b3a0d02985b4a51f7823bc1cb631d6bfa * proc/mgt.c (S_proc_exception_raise): Do not dereference e on returning EINVAL, the translation functions does it for us.
2014-04-22Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/hurdSamuel Thibault
2014-04-22Add TODO about fork() making rpctrace emit an errorSamuel Thibault
* utils/rpctrace.c (rewrite_right): Explain why the unknown send right error happens on fork().
2014-04-22build: Remove configure check for libcrypt.Ludovic Courtès
GNU libc has provided the 'crypt' function in libcrypt for a long time, making this check unnecessary. * configure.ac: Remove libcrypt check and 'LIBCRYPT' substitution. * config.make.in (LIBCRYPT): Remove. * trans/Makefile (password-LDLIBS): Change $(LIBCRYPT) to -lcrypt. * utils/Makefile (login-LDLIBS, addauth-LDLIBS, setauth-LDLIBS): Likewise.
2014-04-15Include the MIG-generated server header filesJustus Winter
This enables the compiler to check that the server function declarations match MIGs expectations. Fix a few oddities along the way. * console-client/trans.c: Include MIG-generated server header file(s). * console/console.c: Likewise. Also, fix declarations. * console/mutations.h (TIOCTL_IMPORTS): Just use libnetfs/priv.h. * console/priv.h: Delete now unused file. * ext2fs/storeinfo.c: Include MIG-generated server header file(s). * fatfs/inode.c: Likewise. * fatfs/main.c: Likewise. Also, fix declaration. * isofs/inode.c: Likewise. * libdiskfs/boot-start.c: Likewise. * libdiskfs/file-chg.c: Include the correct MIG-generated server header file. * libdiskfs/file-chmod.c: Include MIG-generated server header file(s). * libdiskfs/file-get-fs-opts.c: Likewise. * libdiskfs/init-startup.c: Likewise. * libnetfs/file-get-children.c: Likewise. * libnetfs/file-getcontrol.c: Include the correct MIG-generated server header file. * libnetfs/file-set-translator.c: Include MIG-generated server header file(s). * libnetfs/fsstubs.c: Likewise. * libtrivfs/file-access.c: Likewise. * libtrivfs/file-chauthor.c: Likewise. * libtrivfs/file-chflags.c: Likewise. * libtrivfs/file-chg.c: Likewise. * libtrivfs/file-chmod.c: Likewise. * libtrivfs/file-chown.c: Likewise. * libtrivfs/file-exec.c: Likewise. * libtrivfs/file-get-children.c: Likewise. * libtrivfs/file-get-fs-options.c: Likewise. * libtrivfs/file-get-source.c: Likewise. * libtrivfs/file-get-storage-info.c: Likewise. * libtrivfs/file-get-trans.c: Likewise. * libtrivfs/file-get-transcntl.c: Likewise. * libtrivfs/file-getcontrol.c: Likewise. * libtrivfs/file-getfh.c: Likewise. * libtrivfs/file-getlinknode.c: Likewise. * libtrivfs/file-lock.c: Likewise. * libtrivfs/file-reparent.c: Likewise. * libtrivfs/file-set-size.c: Likewise. * libtrivfs/file-set-trans.c: Likewise. * libtrivfs/file-statfs.c: Likewise. * libtrivfs/file-sync.c: Likewise. * libtrivfs/file-syncfs.c: Likewise. * libtrivfs/file-utimes.c: Likewise. * libtrivfs/fsys-forward.c: Likewise. * libtrivfs/fsys-get-options.c: Likewise. * libtrivfs/fsys-getroot.c: Likewise. * libtrivfs/fsys-goaway.c: Likewise. * libtrivfs/fsys-set-options.c: Likewise. * libtrivfs/fsys-stubs.c: Likewise. * libtrivfs/fsys-syncfs.c: Likewise. * libtrivfs/io-async-icky.c: Likewise. * libtrivfs/io-async.c: Likewise. * libtrivfs/io-duplicate.c: Likewise. * libtrivfs/io-identity.c: Likewise. * libtrivfs/io-map.c: Likewise. * libtrivfs/io-modes-get.c: Likewise. * libtrivfs/io-modes-off.c: Likewise. * libtrivfs/io-modes-on.c: Likewise. * libtrivfs/io-modes-set.c: Likewise. * libtrivfs/io-owner-get.c: Likewise. * libtrivfs/io-owner-mod.c: Likewise. * libtrivfs/io-pathconf.c: Likewise. * libtrivfs/io-read.c: Likewise. * libtrivfs/io-readable.c: Likewise. * libtrivfs/io-reauthenticate.c: Likewise. * libtrivfs/io-restrict-auth.c: Likewise. * libtrivfs/io-revoke.c: Likewise. * libtrivfs/io-seek.c: Likewise. * libtrivfs/io-select.c: Likewise. * libtrivfs/io-stat.c: Likewise. * libtrivfs/io-stubs.c: Likewise. * libtrivfs/io-version.c: Likewise. * libtrivfs/io-write.c: Likewise. * pfinet/tunnel.c: Likewise. * storeio/io.c: Likewise. * storeio/storeio.c: Likewise. * term/users.c: Likewise. * tmpfs/node.c: Likewise. * trans/fakeroot.c: Likewise. Also, include all server headers that provide the X_server_routine functions... (netfs_demuxer): ... that were previously declared here. * trans/fifo.c: Include MIG-generated server header file(s). * trans/firmlink.c: Likewise. * trans/hello-mt.c: Likewise. * trans/hello.c: Likewise. * trans/magic.c: Likewise. * trans/mtab.c: Likewise. * trans/new-fifo.c: Likewise. * trans/null.c: Likewise. * trans/proxy-defpager.c: Likewise. * trans/streamio.c: Likewise. * libdiskfs/fsmutations.h: Qualify the import with the libraries path. Without this change, out-of-tree builds would no longer work. * libnetfs/mutations.h: Likewise. * libtrivfs/mig-mutate.h: Likewise.
2014-04-15libpager: fix notify_port_t receiver lookupsJustus Winter
This fixes one more occurence of a notify_port_t receiver lookup that I overlooked in 5a4926dd52aed56913cbe10592063ff0da753700. * libpager/no-senders.c: Include "notify_S.h" so that the compiler can spot such mistakes in the future. (_pager_do_seqnos_mach_notify_no_senders): Fix receiver lookup.
2014-04-14libpager: fix notify_port_t receiver lookupsJustus Winter
* libpager/mig-mutate.h: Add mutators. * libpager/notify-stubs.c: Adjust accordingly.
2014-04-13console: fix notify_port_t receiver lookupsJustus Winter
This complements e9687ec4ff525ae4a88314ba4ae97da770bd012f. * console/display.c: Fix receiver lookups, adjust function declarations. * console/mutations.h: Add NOTIFY mutators.
2014-04-12boot: remove the ourdevice hackJustus Winter
Previously, the device definitions were filtered using sed to replace the device_t type with mach_port_send_t to make the device argument of device_open polymorphic. Rather than doing that, which makes it impossible to use translation functions, the definition of device_open has been amended. * boot/Makefile: Remove the ourdevice hack. * boot/boot.c: Adjust the include accordingly.
2014-04-12console-client: drop DIST_FILES from MakefileJustus Winter
Since 50bfb9acf98d5f4c0c5948cc28285e990b40b659 git is used to produce dist tarballs. * console-client/Makefile (DIST_FILES): Do not set obsolete variable.
2014-04-09libports: fix receiver lookupJustus Winter
* libports/interrupt-operation.c (ports_S_interrupt_operation): Fix receiver lookup. * libports/mig-mutate.h: Add mutators. * libports/ports.h: Remove superfluous declarations.
2014-04-09hurd: add a new type interrupt_t for the interrupt protocolJustus Winter
* hurd/hurd_types.defs (interrupt_t): New type. * hurd/hurd_types.h (interrupt_t): Likewise. * hurd/interrupt.defs (interrupt_operation): Use the new type.
2014-04-06libports: fix notify_port_t receiver lookupsJustus Winter
* libports/Makefile (MIGSFLAGS): Include mig-mutate.h. * libports/mig-decls.h: New file. * libports/mig-mutate.h: Likewise. * libports/notify-dead-name.c: Fix receiver lookups. * libports/notify-no-senders.c: Likewise. * libports/notify-msg-accepted.c: Adjust function declaration. * libports/notify-port-deleted.c: Likewise. * libports/notify-port-destroyed.c: Likewise. * libports/notify-send-once.c: Likewise. * libports/ports.h: Likewise. * proc/Makefile (MIGSFLAGS): Include mig-mutate.h, move PROCESS mutators... * proc/mig-mutate.h: ... into a new file, add NOTIFY mutators. * proc/notify.c: Fix receiver lookups, adjust function declarations. * term/devio.c (ports_do_mach_notify_send_once): Adjust accordingly.
2014-04-05libdiskfs: fix receiver lookupJustus Winter
* libdiskfs/Makefile (exec_startup-MIGSFLAGS): New variable. * libdiskfs/diskfs.h (struct bootinfo): New struct declaration. (diskfs_begin_using_bootinfo_port): New function. (diskfs_end_using_bootinfo): Likewise. * libdiskfs/fsmutations.h: Add mutators for exec_startup_t. * libdiskfs/priv.h (bootinfo_t): New type declaration to appease mig. * libdiskfs/boot-start.c (S_exec_startup_get_info): Fix receiver lookup.
2014-04-05exec: fix receiver lookupJustus Winter
* exec/Makefile (exec_startup-MIGSFLAGS): New variable. * exec/execmutations.h: Add mutators for exec_startup_t. * exec/mig-decls.h: New file. * exec/priv.h (bootinfo_t): New type declaration to appease mig. * exec/exec.c (S_exec_startup_get_info): Fix receiver lookup.
2014-04-05hurd: add a new type for the exec_startup protocolJustus Winter
* hurd/hurd_types.defs (exec_startup_t): New type. * hurd/hurd_types.h (exec_startup_t): Likewise. * hurd/exec_startup.defs: Honor EXEC_STARTUP_IMPORTS. (exec_startup_get_info): Use the new type as receiver.
2014-04-04Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/hurdSamuel Thibault
2014-04-04Fix spurious unlock on errorSamuel Thibault
Thanks Cyril Roelandt for finding the issue. * libdiskfs/dir-renamed.c (diskfs_rename_dir): On diskfs_lookup error, set fnp to NULL to avoid unlocking it spuriously.
2014-04-02libpager: fix receiver lookupsJustus Winter
Previously, the receiver lookup was done manually in all the server functions. Use mig translator functions instead. * libpager/mig-decls.h: New file. * libpager/mig-mutate.h: Likewise. * libpager/Makefile (MIGSFLAGS): Include mig-mutate.h. * libpager/chg-compl.c: Fix receiver lookups. * libpager/data-request.c: Likewise. * libpager/data-return.c: Likewise. * libpager/data-unlock.c: Likewise. * libpager/lock-completed.c: Likewise. * libpager/object-init.c: Likewise. * libpager/object-terminate.c: Likewise. * libpager/stubs.c: Likewise. * libpager/seqnos.c (_pager_update_seqno): Move the actual functionality... (_pager_update_seqno_p): ... into a new function that can be called with a pointer to struct pager. * libpager/priv.h (_pager_update_seqno_p): New declaration.
2014-03-26Handle fonts with multiple-of-8 bbox widthSamuel Thibault
* console-client/vga-dynafont.c (dynafont_new): When the bbox width of the font is a multiple of 8, set width to 8. Reject any other value than 8 or 9 with EINVAL.
2014-03-26Fix setting LGE flagSamuel Thibault
* console-client/vga-support.c (vga_set_font_width): Fix setting the `VGA_ATTR_MODE_LGE' flag.
2014-03-26Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/hurdSamuel Thibault
2014-03-26Align VGA buffersSamuel Thibault
Some "hardware" (such as kvm on linux 3.2) would hang when transferring between video memory and unaligned main memory. This also allows better optimized transfers anyway. Thanks Petter Reinholdtsen for the report and patient tests. * console-client/vga-support.c (vga_state): Force maximum alignment of `videomem' and `fontmem' fields.
2014-03-25mach-defpager: replace the magic typecast with a hash tableJustus Winter
Previously, the mach-defpager used a "magic typecast" for object lookups. It renamed the port to the address of the associated object, and upon receiving a message it would cast the port name back to a pointer. While this might seem like an optimization, it actually makes the port handling in the kernel less efficient. Ports with small continuous names are stored in an array, while other ports get spilled in a splay tree. Replace the linked list of default_port_t objects with a hash table. Do not rename the ports, rather use the hash table to lookup objects associated with ports. * mach-defpager/default_pager.c (struct pager_port): Replace queue with hash table, remove count, move type declaration to priv.h. (pager_port_list_init): Adjust accordingly. (pager_port_list_insert): Likewise. (pager_port_list_delete): Likewise. (destroy_paging_partition): Replace queue_iterate with HURD_IHASH_ITERATE. (S_default_pager_objects): Likewise. (S_default_pager_object_pages): Likewise. (seqnos_memory_object_create): Do not rename the port but store it in the hash table. (S_default_pager_object_create): Likewise. * mach-defpager/priv.h (struct dstruct): Add fast-removal pointer. (pnameof): Remove obsolete macro definition. (dnameof): Likewise. * mach-defpager/mig-decls.h (begin_using_default_pager): Replace the magic typecast with a hash table lookup. * mach-defpager/Makefile (HURDLIBS): Add ihash.
2014-03-25mach-defpager: fix local includesJustus Winter
* mach-defpager/default_pager.c: Fix local includes. * mach-defpager/main.c: Likewise. * mach-defpager/setup.c: Likewise.
2014-03-25mach-defpager: fix receiver lookupsJustus Winter
Previously, the receiver lookup was done manually in all the server functions. Use mig translator functions instead. * mach-defpager/mig-decls.h: New file. * mach-defpager/mig-mutate.h: Likewise. * mach-defpager/Makefile (MIGSFLAGS): Include mig-mutate.h. * mach-defpager/mach-defpager.c: Fix receiver lookups, move type definitions... * mach-defpager/priv.h: ... here, so that they can be used in mig-decls.h.
2014-03-25hurd: fix receiver type, honor DEFAULT_PAGER_IMPORTSJustus Winter
* hurd/default_pager.defs: Honor DEFAULT_PAGER_IMPORTS. (default_pager_object_set_size): Fix receiver type.
2014-03-25libdiskfs: fix string terminationJustus Winter
Found using the Clang Static Analyzer. * libdiskfs/fsys-getroot.c (diskfs_S_fsys_getroot): Fix string termination.
2014-03-25isofs: also copy the terminating zero in read_symlink_hookJustus Winter
* isofs/inode.c (read_symlink_hook): Use memcpy, also copy terminating zero.
2014-03-21libpager: fix potential deadlockJustus Winter
This patch releases the interlock before doing an rpc call, analogous to 901c61a1d25e7c8963e51012760a82730eda1910. * libpager/pager-attr.c (pager_change_attributes): Release interlock before calling memory_object_change_attributes, to let the callbacks take it.
2014-03-21libpager: fix comment of pager_change_attributesJustus Winter
* libpager/pager-attr.c: Fix comment. * libpager/pager.h: Likewise.
2014-03-20Make bz2 and gz support optionalGabriele Giacone
* config.make.in (HAVE_LIBBZ2, HAVE_LIBZ): New variables. * configure.ac (--without-libbz2, --without-libz): New options. * ext2fs/Makefile (OTHERLIBS): Make -lbz2 and -lz optional. * fatfs/Makefile (OTHERLIBS): Likewise. * isofs/Makefile (OTHERLIBS): Likewise. * libstore/Makefile (maybe_part): Remove variable. (store-types): Add part, bunzip2 and gunzip support conditionnally. (LDLIBS): Make -lbz2 and -lz optional. (OBJS): Add GUNZIP_OBJS and BUNZIP2_OBJS optional.
2014-03-16Fix handling of console readlink errorsSamuel Thibault
* console-client/trans.c (netfs_attempt_lookup): Look for errors returned by `readlink' before allocating a node. (netfs_attempt_readlink): Look for errors returned by `readlink'.
2014-03-16Fix vcs_readlink propagating error returned by console_current_idSamuel Thibault
* console-client/current-vcs.c (vcs_readlink): Return error returned by `console_current_id' as a negative value.
2014-03-16Fix crash on accessing vcs without a console being activeSamuel Thibault
* console-client/current-vcs.c (vcs_readlink): Return error as negative values. (vcs_read): Convert errors returned by vcs_readlink before returning them.
2014-03-16Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/hurdSamuel Thibault
2014-03-16Fix crash on opening /dev/kbd or mouse without any console being activeSamuel Thibault
* console-client/console.c (console_switch_away): Check for `active_vcons` being NULL before saving the currently active console.
2014-03-12mach-defpager: silently ignore requests to page to active partitionJustus Winter
Currently, if mach-defpager is asked to page to an already active partition, it ignores this request and returns success. It does, however, print a message about this to stdout. This message might indicate to the user that there is some kind of a problem with the configuration of the machine, even though the code in new_partition clearly does not consider it an error to do such an request. * mach-defpager/default_pager.c (new_partition): Do not print a message if requested to page to an already active partition.
2014-03-12mach-defpager: fix type of size argumentsJustus Winter
* mach-defpager/default_pager.c (new_partition): Fix type of bsize. * mach-defpager/file_io.h (page_read_file_direct): Fix type of size argument. (page_write_file_direct): Likewise. * mach-defpager/setup.c (page_read_file_direct): Likewise. (page_write_file_direct): Likewise.
2014-03-12mach-defpager: fix warnings about uninitialized variablesJustus Winter
* mach-defpager/default_pager.c (S_default_pager_objects): Initialize address, size-pairs to 0. (S_default_pager_object_pages): Likewise. * mach-defpager/kalloc.c (kget_space): Likewise.
2014-03-12mach-defpager: fix warning about uninitialized variableJustus Winter
Previously, failure to look up the given partition was detected after the loop by checking whether the loop ran over all existing partitions. Initialize part to NULL and check for that instead. This retains the behavior, but expresses it in a way the compiler understands better. * mach-defpager/default_pager.c (destroy_paging_partition): Initialize part to NULL and check for it still being NULL after the loop.
2014-03-12mach-defpager: fix error handling in S_default_pager_object_set_sizeJustus Winter
Fix a compiler warning about kr being potentially being uninitialized. * mach-defpager/default_pager.c (S_default_pager_object_set_size): Initialize kr.
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