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| 4358 | Serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2009 VMware, Inc. |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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| 17 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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| 18 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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| 19 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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| 20 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 21 | * |
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| 22 | * The above copyright notice and this permission notice (including the |
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| 23 | * next paragraph) shall be included in all copies or substantial portions |
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| 24 | * of the Software. |
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| 25 | * |
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| 26 | **************************************************************************/ |
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| 27 | |||
| 28 | |||
| 29 | #ifndef U_DL_H_ |
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| 30 | #define U_DL_H_ |
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| 31 | |||
| 32 | |||
| 33 | #include "pipe/p_config.h" |
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| 34 | |||
| 35 | |||
| 36 | #if defined(PIPE_OS_WINDOWS) |
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| 37 | # define UTIL_DL_EXT ".dll" |
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| 38 | # define UTIL_DL_PREFIX "" |
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| 39 | #elif defined(PIPE_OS_APPLE) |
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| 40 | # define UTIL_DL_EXT ".dylib" |
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| 41 | # define UTIL_DL_PREFIX "lib" |
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| 42 | #else |
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| 43 | # define UTIL_DL_EXT ".so" |
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| 44 | # define UTIL_DL_PREFIX "lib" |
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| 45 | #endif |
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| 46 | |||
| 47 | |||
| 48 | struct util_dl_library; |
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| 49 | |||
| 50 | |||
| 51 | typedef void (*util_dl_proc)(void); |
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| 52 | |||
| 53 | |||
| 54 | /** |
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| 55 | * Open a library dynamically. |
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| 56 | */ |
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| 57 | struct util_dl_library * |
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| 58 | util_dl_open(const char *filename); |
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| 59 | |||
| 60 | |||
| 61 | /** |
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| 62 | * Lookup a function in a library. |
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| 63 | */ |
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| 64 | util_dl_proc |
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| 65 | util_dl_get_proc_address(struct util_dl_library *library, |
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| 66 | const char *procname); |
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| 67 | |||
| 68 | |||
| 69 | /** |
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| 70 | * Close a library. |
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| 71 | */ |
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| 72 | void |
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| 73 | util_dl_close(struct util_dl_library *library); |
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| 74 | |||
| 75 | |||
| 76 | /** |
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| 77 | * Return most recent error message. |
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| 78 | */ |
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| 79 | const char * |
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| 80 | util_dl_error(void); |
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| 81 | |||
| 82 | |||
| 83 | #endif /* U_DL_H_ */ |