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* object.c (object_find_soft): Also claim the object if
ODESC->EVICTION_CANDIDATE is true.
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* object.c (folio_object_alloc): Set CAP's policy to POLICY.
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2008-05-28 Neal H. Walfield <neal@gnu.org>
* process-spawn.c (process_spawn): Update use of
folio_object_alloc to be consistent with new API.
viengoos/
2008-05-28 Neal H. Walfield <neal@gnu.org>
* object.h (folio_object_alloc): Return a struct cap, not void.
Remove the objectp parameter. Update all users.
* object.c (folio_object_alloc): Return a capability designating
the new object. Don't take a location in which to store the
new object.
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* object.c (object_desc_claim): Fix debug statement, ACTIVITY may
be NULL.
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* object.h (object_desc_flush): Take additional parameter,
clear_kernel. If true, fetch the status bits corresponding to
Viengoos even if the dirty bit is set. Update callers.
* pager.c (is_clean): More thoroughly check that a page alleged to
be clean is really all zeros.
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2008-05-23 Neal H. Walfield <neal@gnu.org>
* cap.h (RM_object_status): Define.
(object_dirty): Likewise.
(object_referenced): Likewise.
(object_status): New method.
* folio.h (struct folio): Add fields dirty and referenced.
(folio_object_referenced): New function.
(folio_object_referenced_set): Likewise.
(folio_object_dirty): Likewise.
(folio_object_dirty_set): Likewise.
viengoos/
2008-05-23 Neal H. Walfield <neal@gnu.org>
* rm.h (rm_method_id_string): Handle the case where ID is
RM_object_status.
* server.c (server_loop): Implement the object_status method.
* ager.c (ager_loop): Set DESC->USER_DIRTY and DESC->REFERENCED as
appropriate.
* object.c (folio_object_alloc): Clear ODESC->USER_REFERENCED and
ODESC->USER_DIRTY.
(folio_object_alloc): Clear the object's user referenced and user
dirty bits.
* object.h (struct object_desc): Add fields user_dirty and
user_referenced.
(object_desc_unmap): Update DESC->USER_DIRTY and
DESC->USER_REFERENCED appropriately.
(object_desc_flush): LIkewise.
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* object.c (memory_object_alloc): Clear OBJECT's status bits
before returning it.
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* object.c (object_find_soft): If we don't claim ODESC, mark it as
shared.
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* object.c (folio_object_alloc): Use the strong variant of TYPE.
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* activity.h (struct activity): Unify the inactive_dirty and
inactive_clean lists. Update users.
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* object.c (FOLIOS_CORE): Increase value.
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2008-02-18 Neal H. Walfield <neal@gnu.org>
* exceptions.h: Include <stdint.h>.
(struct exception_info): Add field discarded.
viengoos/
2008-02-18 Neal H. Walfield <neal@gnu.org>
* server.c (server_loop): When resolving a fault, if the page was
discarded, reflect the fault.
* object.c (object_find): If the page was discarded, return NULL.
(folio_object_alloc): Clear the discarded flag.
* object.c (memory_object_destroy): Don't set the discarded flag
or content flag here.
* memory.c (memory_frame_allocate): Set them here.
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* object.h (struct object_desc): Add fields mapped, shared and
floating.
(object_desc_unmap): Only unmap a page if DESC->MAPPED is true.
(object_desc_flush): Call object_desc_unmap rather than copying
the code.
* object.c (object_find_soft): If ODESC->FLOATING is true, claim
the object. Set ODESC->FLOATING to false.
(folio_object_alloc): After clearing the page, flush it and then
ODESC->DIRTY to false. Set ODESC->SHARED to false.
* ager.c (SAMPLES): Rename from this...
(FREQ): ... to this. Update users.
(ager_loop): Don't just flush the whole address space; every FREQ
iterations, unmap shared objects, set DESC->MAPPED to false, and
DESC->FLOATING to true.
* server.c (server_loop): When mapping a page, record it.
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2008-02-16 Neal H. Walfield <neal@gnu.org>
* object.h (kernel_lock): New declaration. Replace current
locking scheme with this global lock variable.
(lru_lock): Remove variable.
(struct object_desc): Remove field lock.
* object.c (kernel_lock): New variable.
libc-parts/
2008-02-16 Neal H. Walfield <neal@gnu.org>
* process-spawn.c (process_spawn) [RM_INTERN]: Don't take
LRU_LOCK.
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* object.c (memory_object_destroy): Set discardable bit if appropriate.
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* object.c (memory_object_destroy): Move lru_lock unlock later.
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* object.h (struct object_desc): Change live from bit field to a
bool.
* object.c: Include <assert.h>.
(memory_object_destroy): Add asserts. Fix canary being careful
not to overwrite DESC->LIVE.
(object_find_soft): Add assert.
(folio_object_alloc): Likewise.
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* object.c (folio_object_alloc): When reallocating an object and
the object is in memory, clear the memory.
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* object.h (memory_object_destroy): Update comment to indicate
that LRU_LOCK must not be held by the caller.
(object_desc_claim): Update comment to indicate that LRU_LOCK must
be held by the caller.
* object.c (memory_object_destroy): Don't assert that LRU_LOCK is
held. Take the lock before calling object_desc_claim.
(object_desc_claim): Assert that LRU_LOCK is held.
* viengoos.c (system_task_load): Take LRU_LOCK before calling
object_claim.
* memory.c (memory_frame_allocate): After getting an object, lock
it and then drop LRU_LOCK.
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2008-02-08 Neal H. Walfield <neal@gnu.org>
* ihash.h: Include <bits/wordsize.h>.
(hurd_ihash_key64_t): New definition.
(struct _hurd_ihash_item64): New structure.
(struct hurd_ihash): Change items's type void *.
[__WORDSIZE == 32]: Add field large.
(_HURD_IHASH_LARGE): New macro.
(HURD_IHASH_INITIALIZER): Take additional argument large. Use it.
(hurd_ihash_init): Take additional argument large.
(hurd_ihash_buffer_size): Likewise.
(hurd_ihash_init_with_buffer): Likewise.
(hurd_ihash_create): Likewise.
(hurd_ihash_replace): Change key's type to hurd_ihash_key64_t.
(hurd_ihash_add): Likewise.
(hurd_ihash_find): Likewise.
(hurd_ihash_remove): Likewise.
(HURD_IHASH_ITERATE): Rewrite to properly handle both 32- and
64-bit keys.
* ihash.c (ITEM): New macro.
(VALUE): Likewise.
(KEY): Likewise.
(ITEM_SIZE): Likewise.
(index_empty): Use the above macros rather than accessing
HT->ITEMS directly.
(index_valid): Likewise and change key's type to a
hurd_ihash_key64_t.
(find_index): Likewise.
(replace_one): Likewise.
(hurd_ihash_replace): Likewise.
(hurd_ihash_find): Likewise.
(hurd_ihash_remove): Likewise.
(hurd_ihash_init_internal): Take additional argument large. Use
it.
(hurd_ihash_init): Likewise.
(hurd_ihash_init_with_buffer): Likewise.
(hurd_ihash_create): Likewise.
(hurd_ihash_buffer_size): Likewise.
* t-ihash.c: Include <assert.h>.
(main): Expect that TEST_LARGE is defined. Use it when calling
hurd_ihash_init. If true, add some tests with 64-bit keys.
* Makefile.am (TESTS): Add t-ihash64.
(check_PROGRAMS): Likewise.
(t_ihash_CPPFLAGS): Add -DTEST_LARGE=false.
(t_ihash64_SOURCES): New variable.
(t_ihash64_CPPFLAGS): Likewise.
viengoos/
2008-02-08 Neal H. Walfield <neal@gnu.org>
* thread.c (thread_init): Update use of
hurd_ihash_init_with_buffer to be consistent with new API.
* object.c (object_init): Likewise.
libpthread/
2008-02-08 Neal H. Walfield <neal@gnu.org>
* sysdeps/hurd/pt-setspecific.c (pthread_setspecific): Update use
of hurd_ihash_create to be consistent with API changes.
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2008-02-08 Neal H. Walfield <neal@gnu.org>
* ihash.h: Include <bits/wordsize.h>.
(hurd_ihash_key64_t): New definition.
(struct _hurd_ihash_item64): New structure.
(struct hurd_ihash): Change items's type void *.
[__WORDSIZE == 32]: Add field large.
(_HURD_IHASH_LARGE): New macro.
(HURD_IHASH_INITIALIZER): Take additional argument large. Use it.
(hurd_ihash_init): Take additional argument large.
(hurd_ihash_buffer_size): Likewise.
(hurd_ihash_init_with_buffer): Likewise.
(hurd_ihash_create): Likewise.
(hurd_ihash_replace): Change key's type to hurd_ihash_key64_t.
(hurd_ihash_add): Likewise.
(hurd_ihash_find): Likewise.
(hurd_ihash_remove): Likewise.
(HURD_IHASH_ITERATE): Rewrite to properly handle both 32- and
64-bit keys.
* ihash.c (ITEM): New macro.
(VALUE): Likewise.
(KEY): Likewise.
(ITEM_SIZE): Likewise.
(index_empty): Use the above macros rather than accessing
HT->ITEMS directly.
(index_valid): Likewise and change key's type to a
hurd_ihash_key64_t.
(find_index): Likewise.
(replace_one): Likewise.
(hurd_ihash_replace): Likewise.
(hurd_ihash_find): Likewise.
(hurd_ihash_remove): Likewise.
(hurd_ihash_init_internal): Take additional argument large. Use
it.
(hurd_ihash_init): Likewise.
(hurd_ihash_init_with_buffer): Likewise.
(hurd_ihash_create): Likewise.
(hurd_ihash_buffer_size): Likewise.
* t-ihash.c: Include <assert.h>.
(main): Expect that TEST_LARGE is defined. Use it when calling
hurd_ihash_init. If true, add some tests with 64-bit keys.
* Makefile.am (TESTS): Add t-ihash64.
(check_PROGRAMS): Likewise.
(t_ihash_CPPFLAGS): Add -DTEST_LARGE=false.
(t_ihash64_SOURCES): New variable.
(t_ihash64_CPPFLAGS): Likewise.
viengoos/
2008-02-08 Neal H. Walfield <neal@gnu.org>
* thread.c (thread_init): Update use of
hurd_ihash_init_with_buffer to be consistent with new API.
* object.c (object_init): Likewise.
libpthread/
2008-02-08 Neal H. Walfield <neal@gnu.org>
* sysdeps/hurd/pt-setspecific.c (pthread_setspecific): Update use
of hurd_ihash_create to be consistent with API changes.
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* object.c (folio_free): Synchronize the in-memory descriptor with
the on-disk data.
(folio_object_alloc): Likewise.
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2008-02-05 Neal H. Walfield <neal@gnu.org>
* folio.h (struct folio) [RM_INTERN]: Remove field dhazard,
mhazard. Add field checksums. Rearrange data structure.
(folio_object_type): New function.
(folio_object_type_set): Likewise.
(folio_object_policy): Likewise.
(folio_object_policy_set): Likewise.
[RM_INTERN]: Include <bit-array.h>.
(folio_object_wait_queue_p) [RM_INTERN]:New function.
(folio_object_wait_queue_p_set) [RM_INTERN]:Likewise.
(folio_object_wait_queue) [RM_INTERN]:Likewise.
(folio_object_wait_queue_set) [RM_INTERN]:Likewise.
(folio_object_version) [RM_INTERN]:Likewise.
(folio_object_version_set) [RM_INTERN]:Likewise.
(folio_object_content) [RM_INTERN]:Likewise.
(folio_object_content_set) [RM_INTERN]:Likewise.
viengoos/
2008-02-05 Neal H. Walfield <neal@gnu.org>
* thread.h (struct wait_queue_node): Remove structure.
(struct thread): Add field wait_queue_p. Make the wait queue next
and previous pointers oid_t's and not struct cap's. Update users.
* object.h (object_oid): New function.
* as.c (as_build_internal): Don't access a folio's fields
directly; use the accessor functions.
* cap.c (cap_shootdown): Likewise.
* cap-lookup.c (lookup): Likewise.
* object.c (memory_object_destroy): Likewise.
(object_find): Likewise.
(folio_free): Likewise.
(folio_object_alloc): Likewise.
(object_wait_queue): Remove function.
(object_wait_queue_head): Don't access a folio's fields directly;
use the accessor functions. Update implementation to reflect
struct thread changes.
(object_wait_queue_tail): Likewise.
(object_wait_queue_next): Likewise.
(object_wait_queue_prev): Likewise.
(object_wait_queue_check): Likewise.
(object_wait_queue_enqueue): Likewise.
(object_wait_queue_dequeue): Likewise.
* object.h (folio_object_wait_queue_for_each): Likewise.
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2008-01-23 Neal H. Walfield <neal@gnu.org>
* ihash.h (hurd_ihash_buffer_size): New declaration.
(hurd_ihash_init_with_buffer): Likewise.
(hurd_ihash_init): Add comment that this function is not provided
if the library is compiled with NO_MALLOC.
(hurd_ihash_create): Likewise.
(hurd_ihash_free): Likewise.
(hurd_ihash_destroy): Update comment.
* ihash.c (hurd_ihash_init_with_buffer): New function.
(hurd_ihash_destroy) [NO_MALLOC]: Don't free HT->ITEMS.
(hurd_ihash_create) [NO_MALLOC]: Just return ENOMEM;
(hurd_ihash_free) [NO_MALLOC]: Remove function.
(hurd_ihash_buffer_size): New function.
(hurd_ihash_replace) [NO_MALLOC]: Don't attempt to expand the hash
table.
[! NO_MALLOC]: Use hurd_ihash_buffer_size to calculate an
appropriate buffer size.
* Makefile.am (lib_LIBRARIES): Add libhurd-ihash-nomalloc.a.
(libhurd_ihash_nomalloc_a_CPPFLAGS): New variable.
(libhurd_ihash_nomalloc_a_SOURCES): Likewise.
* t-ihash.c (main): Cast locp offset calculation to elide warning.
viengoos/
2008-01-23 Neal H. Walfield <neal@gnu.org>
* thread.c: Include "zalloc.h".
(thread_init): Initialize TID_TO_THREAD hash here. Allocate using
zalloc.
* object.c: Include "zalloc.h".
(object_init): Allocate hash table and object_descs using zalloc.
* Makefile.am (viengoos_SOURCES): Remove malloc.h and
malloc-wrap.c.
(viengoos_LDADD): Use ../libhurd-ihash/libhurd-ihash-nomalloc.a
rather than ../libhurd-ihash/libhurd-ihash.a.
(EXTRA_viengoos_SOURCES): Remove variable.
* memory.c (memory_grab) [_L4_TEST_ENVIRONMENT]: Don't include
binary when calculating available memory.
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* object.c (folio_object_alloc): If a thread is waiting for an
event other than THREAD_WAIT_DESTROY, return EFAULT.
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2008-01-16 Neal H. Walfield <neal@gnu.org>
* thread.h (RM_thread_wait_object_destroyed): New define.
(thread_wait_object_destroyed): New method.
* folio.h (folio_object_alloc): Take additional parameter
return_code.
viengoos/
2008-01-16 Neal H. Walfield <neal@gnu.org>
* thread.h (THREAD_WAIT_FUTEX): New define.
(THREAD_WAIT_DESTROY): Likewise.
(struct thread): Remove fields futex_block and futex_offset. Add
fields wait_reason and wait_reason_arg. Update users.
* object.h (folio_object_alloc): Take additional argument
return_code. Update users.
(folio_object_wait_queue_for_each): New macro.
* object.c: Include <hurd/thread.h>.
(folio_object_alloc): Take additional argument return_code.
Wake any threads blocked on the object being destroyed.
* server.c (server_loop): Update folio_object_alloc method
implementation to new API. Pass RETURN_CODE to the call to
folio_object_alloc. Implement the thread_wait_object_destroyed
method.
* t-activity.c (allocate_object): Update rm_folio_object_alloc use to
reflect API changes.
(test): Likewise.
* t-as.c (allocate_object): Likewise.
libhurd-mm/
2008-01-16 Neal H. Walfield <neal@gnu.org>
* storage.c (shadow_setup): Update rm_folio_object_alloc use to
reflect API changes.
(storage_alloc_): Likewise.
(storage_free_): Likewise.
ruth/
2008-01-16 Neal H. Walfield <neal@gnu.org>
* ruth.c (main): Update rm_folio_object_alloc use to reflect API
changes. Add test case for thread_wait_object_destroy.
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2008-01-15 Neal H. Walfield <neal@gnu.org>
* futex.h (futex_wait): New file.
* Makefile.am (includehurd_HEADERS): Add futex.h.
* headers.m4: Link $(BUILDIR)/include/hurd/futex.h to futex.h.
* RPC: Add futex message id assignment.
* folio.h (struct folio): Add field wait_queue. Remove field
checksum (for now).
viengoos/
2008-01-15 Neal H. Walfield <neal@gnu.org>
* object.h (struct thread): New forward.
(object_wait_queue_head): New declaration.
(object_wait_queue_tail): New declaration.
(object_wait_queue_next): New declaration.
(object_wait_queue_prev): New declaration.
(object_wait_queue_enqueue): New declaration.
(object_wait_queue_dequeue): New declaration.
(object_wait_queue_for_each): New macro.
* object.c (object_wait_queue): New function.
(object_wait_queue_head): Likewise.
(object_wait_queue_tail): Likewise.
(object_wait_queue_next): Likewise.
(object_wait_queue_prev): Likewise.
(object_wait_queue_check): Likewise.
(object_wait_queue_enqueue): Likewise.
(object_wait_queue_dequeue): Likewise.
* thread.h (struct wait_queue_node): New structure.
(struct thread): Add fields wait_queue_head, wait_queue_tail,
futex_block, futex_offset and wait_queue.
* thread.c (thread_deinit): If THREAD is enqueue on a wait queue,
dequeue it.
* rm.h: Include <hurd/futex.h>.
(rm_method_id_string): Handle the RM_futex case.
* server.c: Include <hurd/futex.h>.
(server_loop): Implement the rm_futex method.
ruth/
2008-01-15 Neal H. Walfield <neal@gnu.org>
* ruth.c: Include <hurd/futex.h>.
(main) Test futex implementation.
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* object.h (object_age): Add parameter referenced. Update users.
Use text-book aging algorithm.
* ager.c (ager_loop): Use object_age to age objects.
* object.h (object_active): New function.
* object.c (object_find_soft): Use it to check whether an object
is active.
(object_desc_claim): Likewise.
* ager.c (ager_loop): Likewise.
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* activity.h (struct activity): Add fields eviction_clean and
eviction_dirty. Improve comments.
(activity_charge): Change asserts to account for unsignedness.
* activity.c (activity_destroy): Move all objects owned by VICTIM
to its parent.
(activity_deprepare): Add additional asserts.
(do_activity_dump): Don't assert that ACTIVITY->FRAMES_LOCAL is
the sum of the items on ACTIVITY's LRU lists.
* object.h (struct object_desc): Add fields eviction_candidate,
live, laundry_node and available_node. Make priority_node a union
with activity_node, which replaces activity_lru. Remove field
global_lru.
(object_activity_lru): Rename this list class...
(activity_lru): ... to this. Update users.
(object_global_lru): Don't generate this list class.
(eviction): Generate new list class.
(available): Likewise.
(laundry): Likewise.
(global_active): Remove declaration.
(global_inactive_dirty): Likewise.
(global_inactive_clean): Likewise.
(disowned): Likewise.
(laundry): New declaration.
(available): Likewise.
(memory_object_destroy): Likewise.
(object_desc_disown_simple): Remove declaration.
(object_disown_simple): Remove function.
(object_desc_disown): Likewise.
(object_disown): Likewise.
(object_desc_claim): Take additional parameter update_accounting.
Update users.
(object_claim): Likewise.
(object_desc_unmap): New function.
(object_age): Likewise.
(objects_folio_offset): Likewise.
(objects_folio): Likewise.
(object_free): Implement in terms of the above two functions.
* object.c (global_active): Remove variable.
(global_inactive_dirty): Likewise.
(global_inactive_clean): Likewise.
(disowned): Likewise.
(laundry): New variable.
(available): Likewise.
(memory_object_alloc): Initialize ODESC to 0. Call
object_desc_claim to attach it to the relevant lists. Assert that
ODESC->LIVE is 0. Set ODESC->LIVE to 1.
(memory_object_destroy): Remove static qualifier. Require that
LRU_LOCK be held on entry. Update users. Use object_desc_claim
to disconnect DESC from any lists to which it is attached. Don't
call memory_frame_free, that is now the caller's responsibility.
Update users. Set DESC->LIVE to 0.
(folio_free): Don't disown the folio header.
(folio_object_alloc): Call memory_frame_free to really free the
memory.
(object_desc_disown_simple): Remove function.
(object_desc_disown_): Likewise.
(object_desc_claim): Take additional parameter update_accounting.
If true, update the relevant activities' accounting information.
Update connect and disconnect code. Only add an object to one of
the priority tree and the lru lists, but not both.
* viengoos.c (system_task_load): After allocating the
root activity, have the root activity claim it and FOLIO.
* ager.c: Include "zalloc.h".
(AGE_DELTA): Don't define.
(ager_loop): Rewrite to walk the object descriptors sequentially
rather than following a linked list. Update object list
connection and disconnection code.
* pager.h: New file.
* pager.c: Likewise.
* Makefile.am (viengoos_SOURCES): Add pager.h and pager.c.
* memory.h (struct activity): Add forward.
(memory_frame_allocate): Take additional parameter activity.
Return a uintptr_t instead of an l4_word_t. Update users.
* memory.c: Include "pager.h" and "activity.h".
(memory_grab): Always get base page sized pages.
(memory_frame_allocate): Take additional parameter activity.
Return a uintptr_t instead of an l4_word_t. If zalloc fails,
check AVAILABLE_LIST. If nothing is applicable, call
pager_collect and try again.
* t-environment.h (pager_collect): New function.
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* object.c (folio_alloc): Correctly account folios.
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* object.c (memory_object_destroy): Unlock LRU_LOCK.
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2008-01-01 Neal H. Walfield <neal@gnu.org>
* activity.h (RM_activity_properties): Rename...
(RM_activity_policy): ... to this. Update users.
(struct activity_memory_policy): New structure.
(ACTIVITY_MEMORY_POLICY): New definition.
(ACTIVITY_MEMORY_POLICY_VOID): Likewise.
(struct activity_policy): New structure.
(ACTIVITY_POLICY): New definition.
(ACTIVITY_POLICY_VOID): Likewise.
(ACTIVITY_PROPERTIES_PRIORITY_SET): Rename...
(ACTIVITY_POLICY_SIBLING_REL_PRIORITY_SET): ... to this. Update
users.
(ACTIVITY_PROPERTIES_WEIGHT_SET): Rename...
(ACTIVITY_POLICY_SIBLING_REL_WEIGHT_SET): ... to this. Update
users.
(ACTIVITY_PROPERTIES_STORAGE_QUOTA_SET): Rename...
(ACTIVITY_POLICY_STORAGE_SET): ... to this. Update users.
(ACTIVITY_PROPERTIES_ALL_SET): Rename...
(ACTIVITY_POLICY_SIBLING_REL_SET): ... to this.
(ACTIVITY_POLICY_CHILD_REL_PRIORITY_SET): New definition.
(ACTIVITY_POLICY_CHILD_REL_WEIGHT_SET): Likewise.
(ACTIVITY_POLICY_CHILD_REL_SET): Likewise.
(activity_properties): Rename...
(activity_policy): ... to this. Accept a structure rather than
individual variables. Update callers.
viengoos/
2008-01-01 Neal H. Walfield <neal@gnu.org>
* activity.h: Don't include <l4.h>, <errno.h> or <hurd/btree.h>.
Include <hurd/activity.h>.
(struct activity): Remove fields priority, weight and
storage_quota. Replace with policy. Change folio_count to a
uint32_t. Update users.
* server.c (server_loop): Remove activity_properties
implementation. Add activity_policy implementation.
* rm.h (rm_method_id_string): Remove RM_activity_properties case.
Handle RM_activity_policy.
ruth/
2008-01-01 Neal H. Walfield <neal@gnu.org>
* ruth.c (main): Remove activity_properties test. Replace with
activity_policy test.
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* activity.h (struct activity): Rename field parent to parent_cap.
Rename field children to children_cap. Rename field sibling_next
to sibling_next_cap. Rename field sibling_prev to
sibling_prev_cap. Rename field parent_ptr to parent. Add fields
children, sibling_next and sibling_prev. Rename field frames to
frames_total. Add field frames_local. Update users.
(activity_prepare): New declaration.
(activity_deprepare): Likewise.
(activity_charge): Update ACTIVITY->FRAMES_LOCAL.
(activity_for_each_inmemory_child): New define.
* activity.c (activity_create): Call activity_prepare.
(activity_destroy): Assert that VICTIM->FRAMES_LOCAL is 0. Call
activity_deprepare.
(activity_prepare): New function.
(activity_deprepare): Likewise.
(do_activity_dump): Assert that the total number of objects on the
active, dirty and clean lists matches ACTIVITY->FRAMES_LOCAL.
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* list.h: New file.
* Makefile.am (viengoos_SOURCES): Add list.h.
(t_link_SOURCES): Remove object.h. Add list.h.
* object.h: Include "list.h".
(LINK_TEMPLATE): Move from here...
* list.h: ... to this new file. Generalize functionality. Add
count, head, prev, next and prev methods. Rename LINK_TEMPLATE to
LIST_CLASS. Update users.
* object.h (struct object_desc): Change activity_lru and
global_lru to struct list_node's.
(global_active): Change to a struct object_global_lru_list.
(global_inactive_dirty): Likewise.
(global_inactive_clean): Likewise.
(disowned): Change to a struct object_activity_lru_list.
* object.c (global_active): Change to a struct
object_global_lru_list.
(global_inactive_dirty): Likewise.
(global_inactive_clean): Likewise.
(disowned): Change to a struct object_activity_lru_list.
* activity.h (struct activity): Change active, inactive_clean and
inactive_dirty to struct object_activity_lru_list's.
|
|
* activity.h (activity_for_each_child): Improve comment.
(activity_consistency_check): Remove.
(activity_consistency_check_): Likewise.
* activity.c (activity_consistency_check_): Remove.
* object.c (memory_object_alloc): Remove call to
activity_consistency_check.
(object_find_soft): Likewise.
(folio_free): Likewise.
(folio_object_alloc): Likewise.
|
|
* object.h (struct object_desc): Replace field activity_lru.prevp
with activity_lru.prev. Replace field global_lru.prevp with
global_lru.prev.
(LINK_TEMPLATE): Use circular lists. Replace the
object_field_link function with object_field_push and
object_field_queue. Require that the caller pass the head of the
list to unlink. Update users.
|
|
* object.h: Include <hurd/btree.h>. Don't include "activity.h".
(struct activity): Add forward.
(struct object_desc): Add field priority_node.
(priority_compare): New function.
(priorities): New btree class.
* activity.h: Include <hurd/btree.h>. Don't include "object.h".
(struct activity): Add field priorities.
* ager.c (ager_loop): Don't add discardable dirty objects to the
inactive dirty list.
* object.h (object_find): Take additional parameter policy.
Update callers.
(object_find_soft): Likewise.
(object_desc_disown_simple): Move implementation from here...
* object.c (object_desc_disown_simple): ... to here. Maintain
the activity's priority-ordered object list.
* object.h (object_desc_disown_): Move from here...
* object.c (object_desc_disown_): ... to here. Maintain the
activity's priority-ordered object list.
* object.h (object_desc_claim_): Move from here...
* object.c (object_desc_claim_): ... to here. Take additional
parameter policy. Save the policy in the object descriptor.
Maintain the activity's priority-ordered object list. Update
callers.
* object.h (object_claim_): Take additional parameter policy.
Pass it to object_desc_claim_. Update callers.
* object.c (memory_object_alloc): Take additional parameter
policy. Pass it to object_desc_claim. Update callers.
(object_find_soft): Likewise.
(object_find): Likewise.
|
|
2007-12-25 Neal H. Walfield <neal@gnu.org>
* cap.h: Include <stdint.h>.
(OBJECT_PRIORITY_BITS): Define.
(OBJECT_PRIORITY_MAX): Likewise.
(OBJECT_PRIORITY_LRU): Likewise.
(OBJECT_PRIORITY_MIN): Likewise.
(struct object_policy): New structure.
(OBJECT_POLICY_INIT): Define.
(OBJECT_POLICY): Likewise.
(OBJECT_POLICY_VOID): Likewise.
(OBJECT_POLICY_DEFAULT): Likewise.
(struct cap_properties): New structure.
(CAP_PROPERTIES_INIT): Define.
(CAP_PROPERTIES): Likewise.
(CAP_PROPERTIES_VOID): Likewise.
(CAP_PROPERTIES_DEFAULT): Likewise.
(struct cap): Add fields discardable and priority.
[RM_INTERN]: Reduce OID to 54 bits.
[! RM_INTERN]: Allow the shadow field an entire word.
(CAP_PROPERTIES_GET): Define.
(CAP_PROPERTIES_SET): Likewise.
(CAP_COPY_DISCARDABLE_SET): Likewise.
(CAP_COPY_PRIORITY_SET): Likewise.
(cap_copy): Remove the stuct cap_addr_trans parameter and replace
with a struct cap_properties. Update callers.
(cap_read): Likewise.
(object_slot_copy_out): Likewise.
(object_slot_copy_in): Likewise.
(object_slot_read): Likewise.
(cap_copy_x): Likewise. Save the object policies in the shadow
capability.
(cap_get_shadow): Don't munge the address.
(cap_set_shadow): Likewise.
* thread.h: Include <hurd/cap.h>.
(struct hurd_thread_exregs_in): Remove field aspace_addr_trans.
Add field aspace_cap_properties. Rename field
aspace_addr_trans_flags to aspace_cap_properties_flags.
* folio.h (struct folio): Remove field discardable. Add field
policy.
(folio_object_alloc): Take an additional argument, a struct
object_policy. Update users.
* cap.h (cap_is_a): Remove dead code.
(cap_is_a_page): Remove dead code.
libhurd-mm/
2007-12-25 Neal H. Walfield <neal@gnu.org>
* as.h: Change VISIT's signature: pass a struct cap_properties
instead of a struct cap_addr_trans. Update callers.
* as.c (as_walk): Change VISIT's signature: pass a struct
cap_properties instead of a struct cap_addr_trans. Call VISIT
appropriately.
(as_alloc_slow): Update rm_cap_read use to reflect API changes.
(as_init): Update rm_cap_read use to reflect API changes. Use
CAP_PROPERTIES_SET to set shadow capability properties.
* storage.c (shadow_setup): Update rm_folio_object_alloc use to
reflect API changes. Also save the object policy in the shadow
capability.
(storage_alloc_): Likewise.
(storage_free_): Likewise.
viengoos/
2007-12-25 Neal H. Walfield <neal@gnu.org>
* object.h (struct object_desc): Add field policy.
(object_desc_to_cap): Also return the discardable bit and the
priority.
(folio_object_alloc): Take additional parameter, the object's
policy. Update callers.
* object.c (folio_object_alloc): Take additional parameter, the
object policy. Save it in the folio header.
* as.c (as_build_internal): Update cap_copy_x use to reflect API
changes.
* thread.h: Remove parameter addr_trans and replace with a
parameter that includes it and the object policy. Update users.
* thread.c (thread_exregs): Remove parameter addr_trans and
replace with a parameter that includes it and the object policy.
Pass it to cap_copy_x as appropriate.
* server.c: Include "output.h".
(server_loop): Update the folio_object_alloc,
object_slot_copy_out, object_slot_copy_in, and cap_copy
implementations to set the allocated object's policy consistent
with the API changes. Update the object_slot_read and cap_read
implementations to return the object policy consistent with the
API changes. Update the thread_exregs implementation to handle
the address space capability's object policy consistent with the
API changes.
ruth/
2007-12-25 Neal H. Walfield <neal@gnu.org>
* ruth.c (main): Change visit to be consistent with as_walk's
expected function signature. Update rm_folio_object_alloc use to
reflect API changes.
|
|
2007-12-22 Neal H. Walfield <neal@gnu.org>
* folio.h (FOLIO_PRIORITY_BITS): Define.
(FOLIO_PRIORITY_MIN): Likewise.
(FOLIO_PRIORITY_LRU): Likewise.
(FOLIO_PRIORITY_MAX): Likewise.
(FOLIO_GROUP_BITS): Likewise.
(FOLIO_GROUP_NONE): Likewise.
(FOLIO_GROUP_MIN): Likewise.
(FOLIO_GROUP_MAX): Likewise.
(struct folio_policy): New structure.
(FOLIO_POLICY_INIT): Define.
(FOLIO_POLICY_VOID): Likewise.
(FOLIO_POLICY_DEFAULT): Likewise.
(struct folio): Add field policy.
(RM_folio_policy): Define.
(folio_alloc): Take additional parameter policy.
(FOLIO_POLICY_DELIVER): Define.
(FOLIO_POLICY_DISCARDABLE_SET): Likewise.
(FOLIO_POLICY_GROUP_SET): Likewise.
(FOLIO_POLICY_PRIORITY_SET): Likewise.
(FOLIO_POLICY_SET): Likewise.
(folio_policy): New method.
viengoos/
2007-12-22 Neal H. Walfield <neal@gnu.org>
* object.h (folio_alloc): Take additional parameter policy.
Update users.
(folio_policy): New declaration.
* object.c: Include <hurd/folio.h>.
(folio_alloc): Take additional parameter policy. Use it.
(folio_policy): New function.
* server.c (server_loop): Update folio_alloc implementation to
handle additional parameter policy. Implement the folio_policy
method.
libhurd-mm/
2007-12-22 Neal H. Walfield <neal@gnu.org>
* storage.c (storage_alloc_): Update rm_folio_alloc use to reflect
API changes.
ruth/
2007-12-22 Neal H. Walfield <neal@gnu.org>
* ruth.c (main): Update rm_folio_alloc use to reflect API changes.
|
|
* activity.h: Update comment.
* activity.c (activity_consistency_check_): Don't assert that
LRU_LOCK is held.
* object.h (object_disown_simple): Don't call
activity_consistency_check here.
(object_desc_disown_): Likewise.
(object_desc_claim_): Likewise.
(object_desc_claim_): Likewise.
* object.c (memory_object_alloc): Call activity_consistency_check.
(memory_object_destroy): Likewise.
(object_find_soft): Likewise.
(folio_free): Likewise.
(folio_object_alloc): Likewise.
|
|
* object.h (lru_lock): New declaration.
(LINK_TEMPLATE): Assert that LRU_LOCK is held.
(object_desc_disown_simple): Likewise.
(object_disown_simple): Likewise.
(object_desc_disown): Likewise.
(object_disown): Likewise.
(object_desc_claim): Likewise.
(object_claim): Likewise.
* object.c (lru_lock): Define.
(memory_object_alloc): Lock LRU_LOCK when manipulating
the LRU lists.
(memory_object_destroy): Likewise.
(object_find_soft): Likewise.
(folio_free): Likewise.
(folio_object_alloc): Likewise.
* activity.c (activity_destroy): Lock LRU_LOCK when manipulating
the LRU lists.
(activity_destroy): Likewise.
(activity_dump): Likewise.
(activity_consistency_check_): Assert that LRU_LOCK is held.
* ager.c (ager_loop): Lock LRU_LOCK when manipulating the LRU
lists.
* Makefile.am (t_link_CPPFLAGS): Include
$(srcdir)/t-environment.h.
(t_link_SOURCES): Add output.h, output.c and output-stdio.c.
* t-environment.h: Move includes down.
(environment_kip) [! _L4_TEST_MAIN]: Don't define, only declare.
Remove static qualifier.
(environment_api_version) [! _L4_TEST_MAIN]: Likewise.
(environment_api_flags) [! _L4_TEST_MAIN]: Likewise.
(environment_kernel_id) [! _L4_TEST_MAIN]: Likewise.
(environment_utcb) [! _L4_TEST_MAIN]: Likewise.
(environment_utcb_address) [! _L4_TEST_MAIN]: Likewise.
(environment_init): Initialize
ENVIRONMENT_UTCB_ADDRESS[_L4_UTCB_MY_GLOBAL_ID] to a non-NULL
value.
* t-link.c: Include "t-environment.h".
(_L4_TEST_MAIN): Define.
(program_name): Don't define.
(lru_lock): Define.
(main): Rename from this...
(test): ... to this. Lock LRU_LOCK on entry and unlock on exit.
|
|
Add a page ager.
* viengoos.c: Include "zalloc.h" and "ager.h".
(ager_start): New function.
(main): Call ager_start.
* ager.h: New file.
* ager.c: Likewise.
* Makefile.am (viengoos_SOURCES): Add ager.h and ager.c.
* object.h: Include <hurd/mutex.h>.
(struct object_desc): Add field lock.
* object.c (memory_object_alloc): Initialize ODESC->LOCK.
|
|
2007-12-10 Neal H. Walfield <neal@gnu.org>
Properly account memory and folios.
* activity.h (struct activity): Remove field objects. New fields
parent_ptr, active, inactive_clean, inactive_dirty and dying.
(root_activity): New declaration.
(activity_create): Return void. Don't take priority, weight and
storage_quota arguments. Update callers.
(activity_for_each_ancestor): New macro.
(activity_charge): New function.
(activity_for_each_child): New macro.
(activity_dump): New declaration.
(activity_consistency_check_): Likewise.
(activity_consistency_check): New macro.
* activity.c (root_activity): Define.
(activity_create): Return void. Don't take priority, weight and
storage_quota arguments. Remove relevant functionality. Set
CHILD->PARENT_PTR appropriately. Be careful when bootstrapping.
(activity_destroy): Check that VICTIM->DYING is not set. If so,
panic. Otherwise, set it. When recursively destroying an
activity, call object_free, not activity_destroy, to clean up.
Abandon all own frames. Assert that VICTIM->FRAMES and
VICTIM_FOLIO_COUNT are 0. Set PARENT->CHILDREN to
VICTIM->SIBLING_NEXT if VICTIM is the head of the list.
(do_activity_dump): New function.
(activity_dump): New function.
(activity_consistency_check_): New function.
* object.h: Don't include "thread.h".
(struct object_desc): Remove field activity. Rename field alru to
activity_lru. Rename field GLRU to global_lru. New fields dirty,
age and activity.
(LINK_TEMPLATE): New macro. Use it.
(dirty): Remove declaration.
(clean): Likewise.
(global_active): New declaration.
(global_inactive_dirty): Likewise.
(global_inactive_clean): Likewise.
(disowned): Likewise.
(object_desc_disown_simple): New function.
(object_disown_simple): Likewise.
(object_desc_disown_): Likewise.
(object_disown_): Likewise.
(object_desc_disown): New macro.
(object_disown): Likewise.
(object_desc_claim_): New function.
(object_claim_): Likewise.
(object_desc_claim): New macro.
(object_claim): Likewise.
(folio_parent): Remove parameter principal. Update callers.
(object_free): Improve parentheses.
* object.c: Include "thread.h".
(global_active): Define.
(global_inactive_dirty): Likewise.
(global_inactive_clean): Likewise.
(disowned): Likewise.
(object_init): Add asserts.
(memory_object_setup): Rename from this...
(memory_object_alloc): ... to this. Take additional parameters,
the type, oid and version. Also set up the object's descriptor.
Update callers.
(memory_object_destroy): Add asserts. Remove object from the
various linked lists. If OBJECT is an activity, assert that there
are no frames allocated against it.
(object_find_soft): If OBJECT is not accounted or inactive, assign
to ACTIVITY.
(folio_reparent): Rename from this...
(folio_parent): ... to this. Remove the parameter PRINCIPAL. Use
ACTIVITY where PRINCIPAL was previous used. Add asserts.
Correctly add FOLIO to ACTIVITY's folio list.
(folio_alloc): Check if the activity's storage quota allows the
allocation of another folio. Account the allocation of the folio.
(folio_free): Add asserts. Correctly account the folio. Clear
FOLIO->NEXT and FOLIO->PREV. Disown FOLIO's frame.
(folio_object_alloc): Assign OBJECT to ACTIVITY. When creating an
activity, call activity_create.
* cap.h (cap_set): Take additional parameter, a struct activity *.
Pass it to cap copy.
* cap.c Include "thread.h".
(cap_set_object): Remove dead function.
(cap_to_object): Clear CAP->TYPE if object_find returns NULL.
(cap_shootdown): Asser that ACTIVITY is not NULL.
* viengoos.c (root_activity): Don't define here.
* t-as.c (root_activity): Remove static qualifier.
* t-link.c: New file.
* t-activity.c: New file.
* Makefile.am (TESTS): Add t-activity and t-link.
(t_activity_CPPFLAGS): New variable.
(t_activity_SOURCES): Likewise.
(t_activity_LDADD): Likewise.
(t_link_CPPFLAGS): Likewise.
(t_link_SOURCES): Likewise.
* rm.h (RM_as_dump): Define.
(rm_method_id_string): Remove case for RM_activity_create.
(as_dump): New method.
* server.c (server_loop): Add support for method as_dump. Remove
support for method activity_create.
hurd/
2007-12-10 Neal H. Walfield <neal@gnu.org>
* activity.h (RM_activity_create): Don't define.
(activity_create): Remove method.
ruth/
2007-12-10 Neal H. Walfield <neal@gnu.org>
* ruth.c (main): Don't call rm_activity_create.
|
|
2007-11-28 Neal H. Walfield <neal@gnu.org>
* Makefile.am (includehurd_HEADERS): Add activity.h.
* headers.m4: Create link from ../include/hurd/activity.h to
activity.h.
* activity.h: New file.
viengoos/
2007-11-28 Neal H. Walfield <neal@gnu.org>
* activity.h (activity_allocate): Rename from this...
(activity_create): ... to this. Remove arguments caller, folio,
indent, activity and control. Add argument child. Update users.
* activity.c (activity_allocate): Rename from this...
(activity_create): ... to this. Remove arguments caller, folio,
indent, activity and control. Add argument child. If CHILD is
live, destroy it first. Correctly add CHILD to PARENT's children
list.
* activity.h (activity_destroy): Remove argument cap. Update
callers.
* activity.c (activity_destroy): Remove argument cap. Correctly
destroy child activities and allocated folios. Correctly unlink
from parent.
* server.c (CAP_): Remove argument writablep. Add argument
require_writable. Fail if REQUIRE_WRITABLE is true, and the
object is not writable.
(OBJECT_): Likewise.
(CAP): Remove argument writablep. Add argument require_writable.
Update callers.
(OBJECT): Likewise.
(server_loop): Add support for the activity_create method.
* object.c (folio_free): Also update FOLIO->FOLIO_VERSION.
(folio_object_alloc): Check if the object is a
cap_activity_control, not a cap_activity.
(folio_reparent): Correctly link FOLIO to PARENT.
* t-as.c (test): Don't create a cap_activity object but a
cap_activity_control object.
* viengoos.c (system_task_load): Likewise.
* cap.c (cap_to_object): Use cap_types_compatible when asserting
that the capability's type and the object's type are identical.
* thread.c (thread_exregs): Use cap_types_compatible when checking
whether the thread has a valid activity object.
* rm.h: Include <hurd/activity.h>.
(rm_method_id_string): Handle the RM_activity_create case.
ruth/
2007-11-28 Neal H. Walfield <neal@gnu.org>
* ruth.c: Include <hurd/activity.h>.
(main): Add test for activity_create.
|
|
2007-11-23 Neal H. Walfield <neal@gnu.org>
* README: Add note that Pistachio must be compiled with the Pager
ExchangeRegisters configure option enabled.
hurd/
2007-11-23 Neal H. Walfield <neal@gnu.org>
* thread.h: Include <hurd/addr-trans.h>.
(HURD_EXREGS_EXCEPTION_THREAD): New definition.
(trans_exregs): Take two additional arguments for determining how
to copy the aspace address translation bits. Update callers.
(thread_stop): New function.
* rpc.h (RPC12_4): New macro.
(RPC13_4): Likewise.
* exceptions.h (exception_handler_init): New declaration.
(exception_handler_loop): Likewise.
libhurd-mm/
2007-11-23 Neal H. Walfield <neal@gnu.org>
* exceptions.c (exception_thread): Rename from this...
(exception_handler_loop): ... to this. Update caller.
* Makefile.am (libhurd_mm_a_SOURCES): Remove exceptions.h.
* exceptions.h: Remove file.
viengoos/
2007-11-23 Neal H. Walfield <neal@gnu.org>
* thread.h (thread_exregs): Take two additional arguments, a
cap_addr_trans structure and a corresponding flags. Update users.
* thread.c (thread_commission): Don't start thread THREAD.
(control_to_string): New function.
(thread_exregs): Take two additional arguments, a cap_addr_trans
structure and a corresponding flags. Use them when copying a
supplied capability into the address space slot of the thread.
Support the HURD_EXREGS_EXCEPTION_THREAD flag. Improve error
detection and debugging out.
* server.c (server_loop): Let a void address for the activity slot
imply the caller's current activity. Take two additional
arguments, a cap_addr_trans structure and a corresponding flags
argument. Pass them to thread_exregs.
* viengoos.c (system_task_load): Set THREAD_ACTIVITY. Don't call
thread_commission. Instead, call thread_exregs.
ruth/
2007-11-23 Neal H. Walfield <neal@gnu.org>
* ruth.c (main): Don't call rm_object_slot_copy_in to update the
address space slot. Just use rm_thread_exregs. Add test for
pthread library.
* ia32-cmain.c (cmain): If _pthread_init_routine is not NULL, call
it. Otherwise, just call finish directly.
|
|
2007-11-22 Neal H. Walfield <neal@gnu.org>
* thread.h (struct thread): Add fields efalgs, user_handle and
init.
(thread_create_in): Rename from this...
(thread_init): ... to this. Remove the activity argument.
Update all users.
(thread_create): Remove declaration.
(thread_destroy): Rename from this...
(thread_deinit): ... to this. Update all users.
(thread_send_sp_ip): Remove declaration.
(thread_exregs): New declaration.
* thread.c: Include <hurd/thread.h>.
(thread_lookup): Add additional asserts.
(thread_create_in): Rename from this...
(thread_init): ... to this. Remove the activity argument. Don't
set THREAD->ACTIVITY. Set THREAD->INIT to true.
(thread_create): Remove function.
(thread_destroy): Rename from this...
(thread_deinit): ... to this. Correctly calculate the bit to
deallocate. Fix assert. Set THREAD->INIT to false.
(thread_commission): If THREAD->INIT is false, first call
thread_init. Correctly calculate the thread ids to initialize.
(thread_send_sp_ip): Remove function.
(thread_exregs): New function.
* rm.h (RPC_STUB_PREFIX): Include <hurd/thread.h>.
(rm_method_id_string): Support RM_thread_exregs.
(THREAD_ASPACE_SLOT, THREAD_ACTIVITY_SLOT): Move from...
* ../hurd/thread.h: ... to this new file.
* server.c: Include <hurd/thread.h>.
(server_loop): Implement the thread_exregs RPC.
* viengoos.c (system_task_load): Set THREAD->ACTIVITY to a
capability designating ROOT_ACTIVITY.
hurd/
2007-11-22 Neal H. Walfield <neal@gnu.org>
* Makefile.am (includehurd_HEADERS): Add thread.h.
* headers.m4: Link $(BUILDIR)/include/hurd/thread.h to thread.h.
* thread.h: New file.
* rpc.h: Include <errno.h>.
ruth/
2007-11-22 Neal H. Walfield <neal@gnu.org>
* ruth.c: Include <hurd/thread.h>.
(main): Add test case for thread creation.
|
|
* viengoos/Makefile.am: New file based on ../wortel/Makefile.am.
* viengoos/headers.m4: New file.
* viengoos/config.m4: New file based on ../wortel/config.m4.
* viengoos/viengoos.h: New file.
* viengoos/viengoos.c: New file.
* viengoos/activity.h: Likewise.
* viengoos/activity.c: Likewise.
* viengoos/as.h: Likewise.
* viengoos/as.c: Likewise.
* viengoos/cap-lookup.c: Likewise.
* viengoos/cap.h: Likewise.
* viengoos/cap.c: Likewise.
* viengoos/thread.h: New file.
* viengoos/thread.c: New file.
* viengoos/object.h: New file.
* viengoos/object.c: New file.
* viengoos/rm.h: New file.
* viengoos/server.c: New file.
* viengoos/server.h: New file.
* viengoos/zalloc.h: Copied from ../physmem.
* viengoos/zalloc.c: Copied from ../physmem.
Don't include "output.h".
Include <hurd/stddef.h>.
Change uses of min_page_size to PAGESIZE.
* viengoos/memory.h: New file.
* viengoos/memory.c: New file.
* viengoos/sigma0.c: Copy from ../wortel.
* viengoos/sigma0.h: Copy from ../wortel.
Don't include "shutdown.h".
Include <hurd/stddef.h>.
* viengoos/bits.h: Likewise.
* viengoos/panic.c: New file.
* viengoos/debug.c: Likewise.
* viengoos/debug.h: Likewise.
* viengoos/boot-modules.h: Likewise.
* viengoos/boot-modules.c: Likewise.
* viengoos/elf.h: Copied from ../wortel.
* viengoos/loader.c: New file based on ../wortel/loader.c.
* viengoos/loader.h: New file.
* viengoos/multiboot.h: Copied from Grub.
* viengoos/mmap.c: New file based on ../physmem/mmap.c.
* viengoos/malloc-wrap.c: New file based on ../physmem/malloc-wrap.c.
* viengoos/malloc.c: Version 2.8.3 of Doug Lea's malloc.c.
* viengoos/malloc.h: Version 2.8.3 of Doug Lea's malloc.h.
* viengoos/ia32-cmain.c: New file based on ../wortel/ia32-cmain.c.
* viengoos/ia32-crt0.S: Copied from ../wortel.
(STACK_SIZE): Use a 16 page stack.
* viengoos/ia32-output.c: Copied from ../wortel.
* viengoos/ia32-shutdown.c: Likewise.
* viengoos/output.h: New file based on ../wortel/output.h.
Include <stdarg.h>.
(cprintf): New definition.
(output_debug): Don't define.
(debug): Don't define.
* viengoos/output.c: New file based on ../wortel/output.c.
Don't include <stdlib.h>.
(vprintf): New function.
(printf): Implement in terms of vprintf.
* viengoos/output-none.c: Copied from ../wortel.
* viengoos/output-serial.c: Likewise.
* viengoos/output-stdio.c: New file.
* viengoos/output-vga.c: Copied from ../wortel.
* viengoos/shutdown.h: New file based on ../wortel/shutdown.h.
Don't include "output.h".
(panic): Don't define.
(shutdown): Rename from this...
(shutdown_machine): ... to this.
* viengoos/shutdown.c: New file based on ../wortel/shutdown.c.
(reset) [_L4_TEST_ENVIRONMENT]: Call abort.
(halt) [_L4_TEST_ENVIRONMENT]: Call abort.
(shutdown): Rename from this...
(shutdown_machine): ... to this.
* viengoos/t-environment.h: New file based on
../libl4/tests/environment.h.
Protect from multiple inclusion.
Include <hurd/stddef.h>.
Include <string.h>.
Include <l4/stubs.h>.
(program_name): New declaration.
(check_nr): Don't assume that val1 and val2 are _L4_word_t, use
typeof instead.
(main): Call output_init.
* viengoos/t-as.c: New file.
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