must be changed again to arch_cpu_shutdown(), since it might not be safe
to properly shutdown from the kernel debugger.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10054 a95241bf-73f2-0310-859d-f6bbb57e9c96
and pipefs implementation, but was originally thought for a network stack).
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10028 a95241bf-73f2-0310-859d-f6bbb57e9c96
Fixed a bug in the team thread start: it did not set sizeLeft correctly
before copying the arguments - shouldn't have had any consequences, though,
as the size of the arguments is known before.
Added a comment explaining the current layout of the main thread stack area.
Now makes use of B_STACK_AREA and B_KERNEL_STACK_AREA.
fill_thread_info() did not correctly set thread_info::stack_end.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10016 a95241bf-73f2-0310-859d-f6bbb57e9c96
Fixed a bug in arch_init_tls() that did not support different stack sizes
(ie. didn't use the thread::user_stack_size variable).
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10015 a95241bf-73f2-0310-859d-f6bbb57e9c96
B_BAD_HANDLER, vm_soft_fault() will just continue as if there is no fault()
function.
There is now support for the B_STACK_AREA and B_KERNEL_STACK_AREA protection
values: if the former is used, or the latter in combination with DEBUG_KERNEL_STACKS,
a number of guard pages is inserted at the bottom of the stack (depending on
the STACK_GROWS_DOWNWARDS/UPWARDS arch config).
In addition, user stacks are no longer committed completely, ie. they don't
reserve memory for their whole size, only as much as is needed. That may
result in applications crashing when they need a lot of stack and there is
no memory left. Before this change, you could not even run that application.
Since BeOS has a 16 MB stack for the main thread, you could only run about
2 applications with 64 MB before.
Due to these changes, we've now switched to the standard BeOS stack sizes.
Some minor cleanup.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10014 a95241bf-73f2-0310-859d-f6bbb57e9c96
the x86 protection model to page level protection only. It's currently needed
for BeOS compatibility, though we might want to get rid of it later. Thanks
to Jerome for stombling into this :)
arch_vm_translation_map_init_post_sem() did not return a proper status.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9989 a95241bf-73f2-0310-859d-f6bbb57e9c96
offset to recognize the boot volume.
This should work well enough for now (as long as you don't have too many
disks in your system).
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9965 a95241bf-73f2-0310-859d-f6bbb57e9c96
- added user data pointer to cache_transaction notifier
- added functions block_cache_set_dirty(), and block_cache_make_writable()
- cache_transaction_next_block() let's you iterate over all blocks in the transaction
- instead of binding the block contents to the transaction (read-only checked
out blocks did only see the unchanged blocks until the transaction was closed)
the block now always shows the current data - even if the old way had some
advantages, it was terrible to use
- the blocks were not correctly added to the transaction
- improved debug output
- can check if the read-only blocks were changed accidently (compile time option)
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9936 a95241bf-73f2-0310-859d-f6bbb57e9c96
we don't want to copy them over to the kernel heap, we just don't free
the kernel args if the debug symbols are enabled - and since there are
no driver settings yet in the kernel, this is always for now.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9931 a95241bf-73f2-0310-859d-f6bbb57e9c96
Moved from mutexes to benaphores.
Removed partial write support of the old API.
remove_cached_device_blocks() will now actually free all remaining blocks.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9895 a95241bf-73f2-0310-859d-f6bbb57e9c96
to the arch independent section (pure laziness + I am not yet sure how this
will look like on other platforms).
Fixed the clone_area() command: B_CLONE_ADDRESS must not be used in the
same address space, because the area creation then can only fail.
Added an explanation on why the area is cloned at all.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9885 a95241bf-73f2-0310-859d-f6bbb57e9c96
The page_stats debugger command now understands queue names as well.
Some minor cleanup, improved error checking.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9861 a95241bf-73f2-0310-859d-f6bbb57e9c96
Renamed vm_area::lock to vm_area::protection to be less confusing - wiring
is still called wiring, though (might be renamed to lock later, as that's
how BeOS calls it).
Renamed some global variables to match our naming scheme.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9860 a95241bf-73f2-0310-859d-f6bbb57e9c96
Renamed all static global variables to have the 's' prefix.
acquire_sem_etc() now fails if B_RELATIVE_TIMEOUT and B_ABSOLUTE_TIMEOUT
are both set.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9854 a95241bf-73f2-0310-859d-f6bbb57e9c96
Fixed a bug in snooze_etc(): it could define both, B_ABSOLUTE_TIMEOUT and
B_RELATIVE_TIMEOUT at the same time.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9852 a95241bf-73f2-0310-859d-f6bbb57e9c96
No longer crashes due to architectural VM restrictions (ie. the area
is kernel only but writable now - should be cloned).
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9851 a95241bf-73f2-0310-859d-f6bbb57e9c96
and the kernel.
create_area() can now only create kernel areas.
_user_create_area() now directly calls vm_create_anonymous_region().
Removed broken find_region_by_address() and find_region_by_name().
Removed vm_find_region_by_name().
Renamed the idle thread stack areas.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9848 a95241bf-73f2-0310-859d-f6bbb57e9c96
will do this if this function is called by anyone other than the root
user.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9804 a95241bf-73f2-0310-859d-f6bbb57e9c96
for temporary memory anymore, it's the store's responsibility to do that
correctly now, and that functionality is reached via the vm_cache using
vm_cache_set_minimal_commitment().
Therefore, the vm_store commit() function now returns a status instead of
the size that could be commited.
Replaced the max_commit mechanism with one that cares about the available
memory, stores can reserve and unreserve such memory. The anonymous_commit()
will now fail in case it could not reserve the needed amount of memory.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9777 a95241bf-73f2-0310-859d-f6bbb57e9c96
with an empty queue, it crashed. sem_info::latest_holder is obviously not
set correctly, and should be fixed.
Some cosmetics.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9771 a95241bf-73f2-0310-859d-f6bbb57e9c96
in the wrong direction for some time now, corrupting the argument area (user
apps would crash).
B_SYSTEM_TEAM is now reserved, so that no team can be created there.
Fixed some warnings when debug output is enabled.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9719 a95241bf-73f2-0310-859d-f6bbb57e9c96
The inode now keeps track of the number of readers/writers.
Inode::BytesInChain() is now only used protected by the request lock.
Implemented some missing POSIX demands:
- when the last writer is closed, all waiting read requests are aborted
- pipefs_write() now returns EPIPE and signals the current thread with
SIGPIPE in case there are no readers left
- pipefs_read() will now return 0 in case there are no writers and no
unread buffers left in the pipe.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9717 a95241bf-73f2-0310-859d-f6bbb57e9c96
Correctly implemented devfs_create() - it will now open the an already
existing file if O_EXCL is not set, and no longer fail with EROFS.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9716 a95241bf-73f2-0310-859d-f6bbb57e9c96
divided into several parts, it could happen that overwrite the whole data
portion with data beyond the part that should have been read.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9706 a95241bf-73f2-0310-859d-f6bbb57e9c96
absolutely no reason to move them to B_SYSTEM_TEAM (additionally, during
startup, set_sem_owner() may crash).
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9693 a95241bf-73f2-0310-859d-f6bbb57e9c96
Changed the last argument of _kern_mount() to be a string rather than a void pointer.
Greatly reduced the stack usage of _user_mount(); it now uses KPath instead
of on stack paths. It now also copies the parameter argument on the heap.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9692 a95241bf-73f2-0310-859d-f6bbb57e9c96
devfs_read_link() and rootfs_read_link() could write beyond the buffer
size passed in (off by one).
The comment for _kern_read_link() didn't fit to what the function really
did.
common_read_link() no longer null terminates the link - it's the file
system's responsibility to do that.
fs_read_link() is not supposed to return the length of the link anymore,
but only B_OK for success.
Note, we deviate slightly from POSIX here, where even a buffer too small
would be filled, and no terminating null byte has to be written at all.
We always return an error in case the buffer is too small, and the link
is not partially copied into the buffer.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9652 a95241bf-73f2-0310-859d-f6bbb57e9c96
Made the FS internal API a bit more consistent.
Removed devfs_unlink(), and devfs_rename() (which was just returning EROFS
anyway) - the devfs now appears completely read-only to the user. All
changes are triggered by kernel internal APIs (most usually through either
the devfs itself (old style drivers), the disk_device_manager, or the
standard device_manager).
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9645 a95241bf-73f2-0310-859d-f6bbb57e9c96
Also implemented the now needed devfs_read_link() function.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9644 a95241bf-73f2-0310-859d-f6bbb57e9c96
yet, though, and just return B_ERROR.
devfs_unpublish_partition() now also returns B_ERROR since it's not yet
implemented.
Refactored the device publishing code, so that implementing devfs_publish_file_device()
will become easy.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9639 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Added resolve_mount_point_to_volume_root() which does what
resolve_volume_root_to_mount_point() did. IOW the latter one didn't
do what it advertised.
* Fixed dir_vnode_to_path(). Basically broken due to the broken
resolve_volume_root_to_mount_point(), but also compared potentially
unrelated vnode IDs (belonging to different volumes).
* Fixed get_dir_path_and_leaf(). It didn't deal correctly with paths
ending in '/' (including the root dir).
* fs_mount() does now accept a NULL fsName, getting the FS name from
the DDM in this case.
* fs_mount() now also supports mounting file images; it lets the DDM
create a file device for them.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9629 a95241bf-73f2-0310-859d-f6bbb57e9c96
done by (currently not existing) devfs functions.
* Overridden GetMediaStatus() and GetGeometry() to return useful data.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9627 a95241bf-73f2-0310-859d-f6bbb57e9c96
Moved the debug macros into the program flow, so that they don't look so
temporary :)
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9557 a95241bf-73f2-0310-859d-f6bbb57e9c96
* fs_mount() and fs_unmount() are now aware of partitions. A device to
be mounted is looked up by the DDM and the mount state and mount
cookie of the corresponding KPartition are updated accordingly.
Still missing is support for mounting files. Moreover the device path
needs to be normalized.
* Added RecursiveLockAutoLocker class to ease the `goto errN' pain a bit.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9555 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Made GetMediaStatus() a bit more robust. If the ioctl fails (e.g. if it
is not implemented as in Thomas' drivers), it gets the device geometry
and does not fail, if the device is not removable.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9546 a95241bf-73f2-0310-859d-f6bbb57e9c96
and that main2() cannot therefore just wait until interrupts become
enabled.
Now, the main2() thread is resumed after interrupts are turned on.
I am not yet sure if this is really necessary, but I have the feeling that it is.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9531 a95241bf-73f2-0310-859d-f6bbb57e9c96
Improved the threads list: despite looking much better, it now also prints
out the semaphore number a thread is waiting on.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9530 a95241bf-73f2-0310-859d-f6bbb57e9c96
Added the new arch_dbg_con_early_boot_message() function.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9518 a95241bf-73f2-0310-859d-f6bbb57e9c96
change the flow of things, it now has its own buffer, and fills it with
interrupts disabled (everything comes at a price).
Now uses the safe vsnprintf() instead of vsprintf() which could crash
the kernel.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9510 a95241bf-73f2-0310-859d-f6bbb57e9c96
thread. That also allows kernel threads to use the FPU as well.
arch_thread_enter_uspace() no longer needs to initialize the FPU.
i386_stack_init() is now only called once, in arch_thread_init(), as
thought.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9508 a95241bf-73f2-0310-859d-f6bbb57e9c96
want it to find; therefore, we're now using get_next_loaded_module_name().
Added a temporary suffix to the FS DDM modules (disk_device/v1) - they
might get merged with the standard FS interface modules.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9503 a95241bf-73f2-0310-859d-f6bbb57e9c96
eventual user stack regions of the thread.
The registers are no longer jumping around depending on the length of their values.
Removed some unused or doubly included headers.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9479 a95241bf-73f2-0310-859d-f6bbb57e9c96
We now have a working periodic wall checker, enabled by USE_CHECKING_WALL.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9459 a95241bf-73f2-0310-859d-f6bbb57e9c96
list (but not the structure itself).
Now calls heap_init_post_thread(), heap_init_post_sem() was called ..._postsem() before.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9457 a95241bf-73f2-0310-859d-f6bbb57e9c96
they are called.
Fixed some return types (mostly from int to status_t).
Some minor other cleanup.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9440 a95241bf-73f2-0310-859d-f6bbb57e9c96
they are called.
Introduced a cpu_init_post_vm() that will now call arch_init_post_vm() instead
of letting main() doing it.
Fixed some return types (mostly from int to status_t).
Some minor other cleanup.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9439 a95241bf-73f2-0310-859d-f6bbb57e9c96
three code locations that didn't handle them properly (when iterating over all
areas).
That and the fact that unmap_and_free_physical_pages() is no longer broken now
leads to the boot region being unmapped and freed properly as intended before.
That revealed another bug: the boot loader region was disposed too early, we
need a few other components pick up boot loader resources first; it now happens
in vm_init_post_sem().
allocate_kernel_args() was also broken, and actually didn't try to allocate
kernel args areas, but tried to reallocate all the virtual allocated ranges
of the boot loader...
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9437 a95241bf-73f2-0310-859d-f6bbb57e9c96
boot loaders passed in memory completely wrong (for example, the premapped
graphics buffer could be mapped to the same region as some thread stacks,
just because the VM did not use its knowledge about that mapping): the boot
loader regions are now reserved so that they cannot be overwritten
with other regions anymore. The kernel_args arguments are now tracked, and
areas are created for them (they are not yet freed, though). arch_vm_init_end()
must now call the new vm_free_unused_boot_loader_range() to free any remaining
parts of the memory not yet mapped in by any areas.
Renamed a lot of init functions (ie. postsem to post_sem, init2 to post_area),
also updated because of the vm_translation_map*() arch_vm_translation_map*() move.
B_ALREADY_WIRED can now only be used during kernel startup (it's a private flag).
Replaced PAGE_SIZE with B_PAGE_SIZE.
Some minor cleanups.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9429 a95241bf-73f2-0310-859d-f6bbb57e9c96
correctly by calling arch_vm_translation_map_init_kernel_map_post_sem().
dump_aspace() now behaves like all debugging functions should behave: it
now accepts decimal numbers as well as hexadecimal numbers as IDs.
vm_translation_map_create() was renamed to arch_translation_map_init_map().
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9427 a95241bf-73f2-0310-859d-f6bbb57e9c96
Moved some functions around, so that the public functions come last.
Renamed the internal vm_translation_map_quick_query() to early_query(),
renamed vm_translation_map_quick_map() to arch_vm_translation_map_early_map().
Removed the _module part of the initialization functions.
Added a function that completes the initialization of the kernel map (it
creates the map's lock, which was just not done before).
arch_vm_translation_map_init_map() will now fail with an appropriate
error code if the map's lock couldn't be created for anything that
is not the kernel map.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9426 a95241bf-73f2-0310-859d-f6bbb57e9c96
loader preallocated, arch_vm_init_end() (formerly called _endvm())
now calls the new vm_free_unused_boot_loader_range() with the correct
parameters.
Moved the creation of the DMA area from 0-0xa0000 into arch_vm_init_post_area().
Changed return types to status_t rather than just having "int" stand
for a status code.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9425 a95241bf-73f2-0310-859d-f6bbb57e9c96
USE_WALL feature can now be used.
Started implementing a USE_CHECKING_WALLS feature, that has a kernel
daemon running that periodically checks the walls of *all* memory
allocations - does not work yet (because of some initialization order
problems).
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9396 a95241bf-73f2-0310-859d-f6bbb57e9c96
team and process group IDs as well.
Added a ToDo item that process groups do only work well as long as
their group leader is still active.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9394 a95241bf-73f2-0310-859d-f6bbb57e9c96
ignored completely (so that zero and below become valid).
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9393 a95241bf-73f2-0310-859d-f6bbb57e9c96
no longer pop %fs from the iframe in that case, too.
When we restore a custom stack, however, we'll now pop %fs from the iframe
as such strange threads may even do their own business with it.
Added some comments.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9369 a95241bf-73f2-0310-859d-f6bbb57e9c96
We also should disable interrupts in arch_restore_fork_frame().
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9368 a95241bf-73f2-0310-859d-f6bbb57e9c96
always copies the arguments and environment arrays.
No need for the "owns_arrays" in team_arg anymore - it now always owns
them.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9363 a95241bf-73f2-0310-859d-f6bbb57e9c96
Switched to load_image() instad of using the old team_create_team() to start "init".
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9361 a95241bf-73f2-0310-859d-f6bbb57e9c96
The path name is now always taken from the provided argument list (except for
_user_exec() which now replaces args[0] with the path argument).
The team_arg structure know nows if it must delete its arguments or not - this
also fixes a memory leak in case team_create_team() failed when invoked from
userland.
load_image() is now also exported for the kernel.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9360 a95241bf-73f2-0310-859d-f6bbb57e9c96
process ID (in the current session).
get_death_entry() could call free() with interrupts disabled; now follows
the same mechanism as chosen with the groups (ie. it returns a pointer
to a death_entry to be freed by the calling function).
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9354 a95241bf-73f2-0310-859d-f6bbb57e9c96
the specified process group (by passing in a negative pid, as in BeOS).
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9351 a95241bf-73f2-0310-859d-f6bbb57e9c96
- we now have a working process group/session model. Implemented related syscalls
and the kernel backend, some POSIX process functions are now available in the
kernel as well.
- dying teams now monitor their exitus by leaving death_entry structures in
their parent team.
- Implemented wait_for_child() for pid == -1 and pid > 0; IOW waiting for process
groups is missing yet. Hasn't yet been tested intensively.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9350 a95241bf-73f2-0310-859d-f6bbb57e9c96
may be renamed):
- B_RELEASE_ALL: the semaphore count is set to 0, all waiting threads are released
(the "count" argument of release_etc_sem() is ignored then)
- B_RELEASE_IF_WAITING_ONLY: the semaphore count is only decreased if there
are any waiting threads; ie. the semaphore is signaled
Together, they will make the pthread_cond_*() functions easy to implement, and
they come in handy at other places, too.
Removed release_threads variable in release_sem_etc(), as it was useless.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9330 a95241bf-73f2-0310-859d-f6bbb57e9c96
Also removed syscall for that function (shouldn't have been there in the
first place, anyway).
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9325 a95241bf-73f2-0310-859d-f6bbb57e9c96
no longer abuse the semaphore mechanism to carry an extra status value,
instead, wait_for_thread() registers a death_entry with the thread that
will be filled upon exit.
Removed delete_sem_etc() as it's no longer of use or available.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9323 a95241bf-73f2-0310-859d-f6bbb57e9c96
flag set.
Fixes _user_wait_for_thread() which returned an invalid return code in case
of error.
Some minor cosmetics.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9321 a95241bf-73f2-0310-859d-f6bbb57e9c96
not be restored from the iframe; it will be set by the scheduling code.
This is only of concern on SMP machines and could prevent TLS from working.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9310 a95241bf-73f2-0310-859d-f6bbb57e9c96
same mechanism as NewOS, ie. using the iframe "stack" pointer (using the
new i386_get_current_iframe() function).
Implemented fork() support functions arch_{store|restore}_fork_frame().
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9292 a95241bf-73f2-0310-859d-f6bbb57e9c96
know about this specifier, it has to be replaced by B_EXACT_ADDRESS).
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9281 a95241bf-73f2-0310-859d-f6bbb57e9c96
team's address space - for internal use, anyway.
Added a ToDo: item to exec_team() to remind me of alarms and signals.
Started implementing fork_team() based on team_create_team() - it's not
completed (or even works), though.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9279 a95241bf-73f2-0310-859d-f6bbb57e9c96
must not be accessed without it.
Implemented _get_next_area_info() and _user_get_next_area_info().
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9277 a95241bf-73f2-0310-859d-f6bbb57e9c96
reference to the address space, so that the calling team deletion function
doesn't have to do this.
delete_address_space() doesn't have to delete any areas anymore, since
at the point it's called, there is no area anymore, anyway: each area
holds a reference to the address space.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9276 a95241bf-73f2-0310-859d-f6bbb57e9c96
This actually reflects the only usage of this function anyway, and thus,
fixes the resize_area() function.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9265 a95241bf-73f2-0310-859d-f6bbb57e9c96
vm_page no longer keeps a pointer to the vm_cache_ref but to the vm_cache.
This cleans the page handling when having to make an area copy-on-write;
regions belong to vm_cache_ref, pages to vm_cache.
Fixed some return types.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9264 a95241bf-73f2-0310-859d-f6bbb57e9c96
It currently checks for temporary caches, but it should really only be used
with regions for anonymous memory.
Fixed some return types.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9259 a95241bf-73f2-0310-859d-f6bbb57e9c96
Changed the way a vm_address_space is deleted: instead of having to explicitly
call vm_delete_aspace(), the last vm_put_aspace() will remove it.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9255 a95241bf-73f2-0310-859d-f6bbb57e9c96
Changed the way a vm_address_space is deleted: instead of having to explicitly
call vm_delete_aspace(), the last vm_put_aspace() will remove it.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9254 a95241bf-73f2-0310-859d-f6bbb57e9c96
Should be tested and verified more intensively, though.
Moved the creation, initialization, and deletion of the team_arg structure out of
team_create_team(); it's now also used by exec_team().
Renamed kfree_strings_array() to free_strings_array().
Renamed the fields of the team_arg structure to be more in sync with the names used
at other places.
Fixed the routine that copied the environment/arguments into the userland space.
Improved and fixed the user_copy_strings_array() function.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9250 a95241bf-73f2-0310-859d-f6bbb57e9c96
of vm_delete_aspace() (which now calls it).
Fixed some return types.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9248 a95241bf-73f2-0310-859d-f6bbb57e9c96
file descriptors that have O_CLOEXEC set.
Minor cleanup.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9242 a95241bf-73f2-0310-859d-f6bbb57e9c96
in dir_vnode_to_path() which does now continue until hitting "/".
* Refactored common volume root to mount point resolution code into a
separate function.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9210 a95241bf-73f2-0310-859d-f6bbb57e9c96
via B_SET_(NON)BLOCKING_IO to notify the device about any access mode changes.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9199 a95241bf-73f2-0310-859d-f6bbb57e9c96
and will check against those. This fixes the rare case an interrupt frame
could cause before.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9191 a95241bf-73f2-0310-859d-f6bbb57e9c96
potential bug if MAIN_STACK_SIZE and STACK_SIZE would have been different.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9190 a95241bf-73f2-0310-859d-f6bbb57e9c96
read over two blocks, some memory behind that memory could be trashed.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9188 a95241bf-73f2-0310-859d-f6bbb57e9c96
waiting on the write semaphore).
The write functions didn't change the buffer address on a partial write
which could lead to corruption in the pipe data.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9111 a95241bf-73f2-0310-859d-f6bbb57e9c96
Fixed a warning that popped up if TRACE_VM was defined.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9110 a95241bf-73f2-0310-859d-f6bbb57e9c96
It now prints a warning if the device driver doesn't handle iovecs correctly.
Again, this could lead to very strange behaviour.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9092 a95241bf-73f2-0310-859d-f6bbb57e9c96
name of the node.
devfs_read_stat() now (presumably temporary) sets the size of the device
for partitions and reports a block device rather than a character device
if the size unequals zero.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9085 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Turned sMountOpMutex into a recursive lock.
* Re-inserted sMountOpLock locking in vnode_path_to_vnode(). It doesn't
deadlock on mounting anymore. :-P
* Added a check in fs_mount(), whether the mount point is a directory. If
it wasn't, in general it wouldn't be possible to get its parent
directory.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8993 a95241bf-73f2-0310-859d-f6bbb57e9c96
why that was there before. Thanks to Ingo for pointing this out.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8981 a95241bf-73f2-0310-859d-f6bbb57e9c96
Now maintains uid/gid/mode, modification and creation time for all nodes.
Implemented rootfs_write_stat() completely. rootfs_read_stat() now fills
in all required values.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8962 a95241bf-73f2-0310-859d-f6bbb57e9c96
time in st_mtime.
rootfs_write_stat() now properly locks the node access.
Minor cleanup.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8960 a95241bf-73f2-0310-859d-f6bbb57e9c96
permissions are not tested, though.
Removed the STREAM_TYPE_ constants.
Now maintains a modification and creation time for all nodes.
Implemented rootfs_write_stat() completely. rootfs_read_stat() now fills
in all required values.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8959 a95241bf-73f2-0310-859d-f6bbb57e9c96
IDE drivers :-)) don't respect the total amount of bytes to be read in the
former readv() (now read_pages()) call. This can potentially fix all sorts
of strange errors in userland :)
Fixed the debug build.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8938 a95241bf-73f2-0310-859d-f6bbb57e9c96
recreates a race condition, having it here breaks the kernel as fs_mount()
calls this function and already holds the mutex.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8936 a95241bf-73f2-0310-859d-f6bbb57e9c96
unmounted.
* Clarified a comment in fs_mount().
* Added a bit of documentation regarding the mutexes and the basic vnode
functions.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8930 a95241bf-73f2-0310-859d-f6bbb57e9c96
Userland. It must always set the d_pdev and d_pino fields and, if the
Entry refers to a mount point even replace d_dev and d_ino.
* Added a TODO comment to entry_ref_to_vnode(). It should take care of
mount points, as vnode_path_to_vnode() does, I believe. Will verify
and fix that next.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8921 a95241bf-73f2-0310-859d-f6bbb57e9c96
