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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Jakub Jermar |
2 | * Copyright (C) 2006 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #include <thread.h> |
29 | #include <thread.h> |
30 | #include <libc.h> |
30 | #include <libc.h> |
- | 31 | #include <stdlib.h> |
|
31 | #include <arch/faddr.h> |
32 | #include <arch/faddr.h> |
- | 33 | #include <kernel/proc/uarg.h> |
|
32 | 34 | ||
33 | typedef void (* voidfunc_t)(void); |
35 | void thread_main(uspace_arg_t *uarg) |
- | 36 | { |
|
- | 37 | uarg->uspace_thread_function(uarg->uspace_thread_arg); |
|
- | 38 | free(uarg->uspace_stack); |
|
- | 39 | free(uarg); |
|
- | 40 | thread_exit(0); |
|
- | 41 | } |
|
34 | 42 | ||
35 | int thread_create(void (* function)(void *), void *arg, void *stack, char *name) |
43 | int thread_create(void (* function)(void *), void *arg, char *name) |
36 | { |
44 | { |
- | 45 | char *stack; |
|
- | 46 | uspace_arg_t *uarg; |
|
- | 47 | ||
- | 48 | stack = (char *) malloc(getpagesize()); |
|
- | 49 | if (!stack) |
|
- | 50 | return -1; |
|
- | 51 | ||
- | 52 | uarg = (uspace_arg_t *) malloc(sizeof(uspace_arg_t)); |
|
- | 53 | if (!uarg) { |
|
- | 54 | free(stack); |
|
- | 55 | return -1; |
|
- | 56 | } |
|
- | 57 | uarg->uspace_entry = (void *) FADDR(__thread_entry); |
|
- | 58 | uarg->uspace_stack = (void *) stack; |
|
- | 59 | uarg->uspace_thread_function = (void *) FADDR(function); |
|
- | 60 | uarg->uspace_thread_arg = arg; |
|
- | 61 | uarg->uspace_uarg = uarg; |
|
- | 62 | ||
37 | return __SYSCALL4(SYS_THREAD_CREATE, (sysarg_t) FADDR((voidfunc_t) function), (sysarg_t) arg, (sysarg_t) stack, (sysarg_t) name); |
63 | return __SYSCALL2(SYS_THREAD_CREATE, (sysarg_t) uarg, (sysarg_t) name); |
38 | } |
64 | } |
39 | 65 | ||
40 | void thread_exit(int status) |
66 | void thread_exit(int status) |
41 | { |
67 | { |
42 | __SYSCALL1(SYS_THREAD_EXIT, (sysarg_t) status); |
68 | __SYSCALL1(SYS_THREAD_EXIT, (sysarg_t) status); |
43 | } |
69 | } |
44 | - | ||
45 | 70 |