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| 1 | /* |
1 | /* |
| 2 | * Copyright (c) 2007 Jan Hudecek |
2 | * Copyright (c) 2007 Jan Hudecek |
| 3 | * Copyright (c) 2005 Jakub Jermar |
3 | * Copyright (c) 2005 Jakub Jermar |
| 4 | * All rights reserved. |
4 | * All rights reserved. |
| 5 | * |
5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
8 | * are met: |
| 9 | * |
9 | * |
| 10 | * - Redistributions of source code must retain the above copyright |
10 | * - Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * - Redistributions in binary form must reproduce the above copyright |
12 | * - Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
14 | * documentation and/or other materials provided with the distribution. |
| 15 | * - The name of the author may not be used to endorse or promote products |
15 | * - The name of the author may not be used to endorse or promote products |
| 16 | * derived from this software without specific prior written permission. |
16 | * derived from this software without specific prior written permission. |
| 17 | * |
17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
28 | */ |
| 29 | 29 | ||
| 30 | #include <synch/rcu.h> |
30 | #include <synch/rcu.h> |
| 31 | #include <print.h> |
31 | #include <print.h> |
| 32 | #include <test.h> |
32 | #include <test.h> |
| 33 | #include <arch/types.h> |
33 | #include <arch/types.h> |
| 34 | #include <proc/tasklet.h> |
34 | #include <proc/tasklet.h> |
| 35 | #include <arch/barrier.h> |
35 | #include <arch/barrier.h> |
| 36 | #include <arch.h> |
36 | #include <arch.h> |
| 37 | #include <preemption.h> |
37 | #include <preemption.h> |
| 38 | bool gquiet; |
38 | bool gquiet; |
| - | 39 | bool called; |
|
| 39 | 40 | ||
| 40 | static void callback(void* data) |
41 | static void callback(void* data) |
| 41 | { |
42 | { |
| 42 | if (!gquiet) |
43 | if (!gquiet) |
| 43 | printf("callback called\n"); |
44 | printf("callback called\n"); |
| - | 45 | called = true; |
|
| 44 | } |
46 | } |
| 45 | char * test_rcu1(bool quiet) |
47 | char * test_rcu1(bool quiet) |
| 46 | { |
48 | { |
| 47 | gquiet = quiet; |
49 | gquiet = quiet; |
| - | 50 | called = false; |
|
| 48 | int* p; |
51 | int* p; |
| 49 | rcu_read_lock(); |
52 | rcu_read_lock(); |
| 50 | rcu_read_unlock(); |
- | |
| 51 | rcu_assign_pointer(p,malloc(sizeof(int),0)); |
53 | rcu_assign_pointer(p,malloc(sizeof(int),0)); |
| 52 | if (!quiet) |
54 | if (!quiet) |
| 53 | printf("p:%x\n",rcu_dereference_pointer(p)); |
55 | printf("p:%x\n",rcu_dereference_pointer(p)); |
| - | 56 | rcu_read_unlock(); |
|
| 54 | rcu_sync_callback(&callback, NULL); |
57 | rcu_sync_callback(&callback, NULL); |
| 55 | if (!quiet) |
58 | if (!quiet) |
| 56 | printf("Callback scheduled\n"); |
59 | printf("Callback scheduled\n"); |
| - | 60 | while(!called); |
|
| 57 | rcu_synchronize(); |
61 | rcu_synchronize(); |
| 58 | if (!quiet) |
62 | if (!quiet) |
| 59 | printf("Synchronized\n"); |
63 | printf("Synchronized\n"); |
| 60 | return NULL; |
64 | return NULL; |
| 61 | 65 | ||
| 62 | } |
66 | } |
| 63 | 67 | ||
| 64 | 68 | ||
| 65 | 69 | ||