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| Rev | Author | Line No. | Line |
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| 2309 | hudecek | 1 | /* |
| 2 | * Copyright (c) 2007 Jan Hudecek |
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| 3 | * Copyright (c) 2005 Jakub Jermar |
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| 4 | * All rights reserved. |
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| 5 | * |
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| 6 | * Redistribution and use in source and binary forms, with or without |
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| 7 | * modification, are permitted provided that the following conditions |
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| 8 | * are met: |
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| 9 | * |
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| 10 | * - Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * - Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * - The name of the author may not be used to endorse or promote products |
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| 16 | * derived from this software without specific prior written permission. |
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| 17 | * |
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 28 | */ |
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| 29 | |||
| 30 | #include <synch/rcu.h> |
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| 31 | #include <print.h> |
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| 32 | #include <test.h> |
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| 33 | #include <arch/types.h> |
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| 34 | #include <proc/tasklet.h> |
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| 35 | #include <arch/barrier.h> |
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| 36 | #include <arch.h> |
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| 37 | #include <preemption.h> |
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| 38 | bool gquiet; |
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| 2315 | hudecek | 39 | bool called; |
| 2309 | hudecek | 40 | |
| 41 | static void callback(void* data) |
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| 42 | { |
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| 43 | if (!gquiet) |
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| 44 | printf("callback called\n"); |
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| 2315 | hudecek | 45 | called = true; |
| 2309 | hudecek | 46 | } |
| 47 | char * test_rcu1(bool quiet) |
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| 48 | { |
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| 49 | gquiet = quiet; |
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| 2315 | hudecek | 50 | called = false; |
| 2309 | hudecek | 51 | int* p; |
| 52 | rcu_read_lock(); |
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| 53 | rcu_assign_pointer(p,malloc(sizeof(int),0)); |
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| 54 | if (!quiet) |
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| 55 | printf("p:%x\n",rcu_dereference_pointer(p)); |
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| 2315 | hudecek | 56 | rcu_read_unlock(); |
| 2309 | hudecek | 57 | rcu_sync_callback(&callback, NULL); |
| 58 | if (!quiet) |
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| 59 | printf("Callback scheduled\n"); |
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| 2315 | hudecek | 60 | while(!called); |
| 2309 | hudecek | 61 | rcu_synchronize(); |
| 62 | if (!quiet) |
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| 63 | printf("Synchronized\n"); |
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| 64 | return NULL; |
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| 65 | |||
| 66 | } |
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| 67 | |||
| 68 |