| 1 | /* | 
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| 2 | Copyright (c) 2012, Broadcom Europe Ltd | 
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| 3 | All rights reserved. | 
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| 4 |  | 
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| 5 | Redistribution and use in source and binary forms, with or without | 
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| 6 | modification, are permitted provided that the following conditions are met: | 
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| 7 | * Redistributions of source code must retain the above copyright | 
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| 8 | notice, this list of conditions and the following disclaimer. | 
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| 9 | * Redistributions in binary form must reproduce the above copyright | 
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| 10 | notice, this list of conditions and the following disclaimer in the | 
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| 11 | documentation and/or other materials provided with the distribution. | 
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| 12 | * Neither the name of the copyright holder nor the | 
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| 13 | names of its contributors may be used to endorse or promote products | 
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| 14 | derived from this software without specific prior written permission. | 
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| 15 |  | 
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| 16 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | 
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| 17 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 
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| 18 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 
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| 19 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY | 
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| 20 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 
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| 21 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 
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| 22 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 
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| 23 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
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| 24 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 
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| 25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
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| 26 | */ | 
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| 27 |  | 
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| 28 | /* | 
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| 29 | The following header is included in order to provide one instance of the symbol vcos_deprecated_code. | 
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| 30 | Any other inclusions of this header (or "vcos_deprecated_code.inc" for assembly language) will cause the linker to warn | 
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| 31 | about multiple definitions of vcos_deprecated_code. | 
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| 32 | The idea is to include this header file for the source files which are deprecated. | 
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| 33 | Therefore the above warnning in a build indicates that the build is using deprecated code! | 
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| 34 | Contact the person named in the accompanying comment for advice - do not remove the inclusion. | 
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| 35 | */ | 
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| 36 | #include "vcos_deprecated.h" | 
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| 37 |  | 
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| 38 | #include "interface/vcos/vcos.h" | 
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| 39 |  | 
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| 40 | static int init_refcount; | 
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| 41 |  | 
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| 42 | VCOS_STATUS_T vcos_init(void) | 
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| 43 | { | 
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| 44 | VCOS_STATUS_T st = VCOS_SUCCESS; | 
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| 45 |  | 
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| 46 | vcos_global_lock(); | 
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| 47 |  | 
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| 48 | if (init_refcount++ == 0) | 
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| 49 | st = vcos_platform_init(); | 
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| 50 |  | 
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| 51 | vcos_global_unlock(); | 
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| 52 |  | 
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| 53 | return st; | 
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| 54 | } | 
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| 55 |  | 
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| 56 | void vcos_deinit(void) | 
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| 57 | { | 
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| 58 | vcos_global_lock(); | 
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| 59 |  | 
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| 60 | vcos_assert(init_refcount > 0); | 
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| 61 |  | 
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| 62 | if (init_refcount > 0 && --init_refcount == 0) | 
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| 63 | vcos_platform_deinit(); | 
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| 64 |  | 
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| 65 | vcos_global_unlock(); | 
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| 66 | } | 
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| 67 |  | 
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| 68 | #if defined(__GNUC__) && (__GNUC__ > 2) | 
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| 69 |  | 
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| 70 | void vcos_ctor(void) __attribute__((constructor, used)); | 
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| 71 |  | 
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| 72 | void vcos_ctor(void) | 
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| 73 | { | 
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| 74 | vcos_init(); | 
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| 75 | } | 
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| 76 |  | 
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| 77 | void vcos_dtor(void) __attribute__((destructor, used)); | 
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| 78 |  | 
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| 79 | void vcos_dtor(void) | 
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| 80 | { | 
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| 81 | vcos_deinit(); | 
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| 82 | } | 
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| 83 |  | 
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| 84 | #endif | 
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| 85 |  | 
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