diff options
author | neal <neal> | 2007-11-16 13:35:00 +0000 |
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committer | neal <neal> | 2007-11-16 13:35:00 +0000 |
commit | e46ff816c662bc8b47dfc00bbe5501dbeffd93bb (patch) | |
tree | 16603b813cf7301b85b58f28217aa188825513d8 /viengoos/thread.h | |
parent | 17b21c229fe9756a2e9ec158b6bdf5c2ca9869a5 (diff) |
2007-11-16 Neal H. Walfield <neal@gnu.org>
* 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.
Diffstat (limited to 'viengoos/thread.h')
-rw-r--r-- | viengoos/thread.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/viengoos/thread.h b/viengoos/thread.h new file mode 100644 index 0000000..a8849fa --- /dev/null +++ b/viengoos/thread.h @@ -0,0 +1,110 @@ +/* thread.h - Thread object interface. + Copyright (C) 2007 Free Software Foundation, Inc. + Written by Neal H. Walfield <neal@gnu.org>. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 3 of the + License, or (at your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef RM_THREAD_H +#define RM_THREAD_H + +#include <l4.h> +#include <errno.h> + +#include "cap.h" + +/* Forward. */ +struct folio; +struct activity; + +/* Number of capability slots at the start of the thread + structure. */ +enum + { + THREAD_SLOTS = 2, + }; + +struct thread +{ + /* Address space. */ + struct cap aspace; + + /* The current associated activity. (Not the activity out of which + this thread's storage is allocated!) */ + struct cap activity; + + /* Allocated thread id. */ + l4_thread_id_t tid; + + /* XXX: Register state, blah, blah, blah. */ + l4_word_t sp; + l4_word_t ip; + + /* Debugging: whether the thread has been commissioned. */ + int commissioned; + +}; + +/* The hardwired base of the UTCB (2.5GB). */ +#define UTCB_AREA_BASE (0xA0000000) +/* The size of the UTCB. */ +#define UTCB_AREA_SIZE (l4_utcb_area_size ()) +/* The hardwired base of the KIP. */ +#define KIP_BASE (UTCB_AREA_BASE + UTCB_AREA_SIZE) + +/* Create a new thread. Uses the object THREAD to store the thread + information. */ +extern void thread_create_in (struct activity *activity, + struct thread *thread); + +/* Create a new thread. FOLIO designates a folio in CALLER's CSPACE. + INDEX specifies which object in the folio to use for the new + thread's storage. Sets the thread's current activity to ACTIVITY. + On success, a capability to this object is saved in the capability + slot at address THREAD in CALLER's address space, the thread object + is returned in *THREADP and 0 is returned. Otherwise, an error + code. */ +extern error_t thread_create (struct activity *activity, + struct thread *caller, + addr_t folio, l4_word_t index, + addr_t thread, + struct thread **threadp); + +/* Destroy the thread object THREAD (and the accompanying thread). */ +extern void thread_destroy (struct activity *activity, + struct thread *thread); + +/* Prepare the thread object THREAD to run. (Called after bringing a + thread object into core.) */ +extern void thread_commission (struct thread *thread); + +/* Save any state of the thread THREAD and destroy any ephemeral + resources. (Called before sending the object to backing + store.) */ +extern void thread_decommission (struct thread *thread); + +/* Send a thread start message to the thread THREAD (in CALLER's + address space). This may be called at most once per thread. If + called multiple times, the results are undefined. If thread is not + decommissioned, returns EINVAL. Commissions thread. */ +extern error_t thread_send_sp_ip (struct activity *activity, + struct thread *caller, addr_t thread, + l4_word_t sp, l4_word_t ip); + +/* Given the L4 thread id THREADID, find the associated thread. */ +extern struct thread *thread_lookup (l4_thread_id_t threadid); + +#endif |