| 1 | /* Copyright (C) 2002-2020 Free Software Foundation, Inc. | 
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| 2 | This file is part of the GNU C Library. | 
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| 3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | 
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| 4 |  | 
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| 5 | The GNU C Library is free software; you can redistribute it and/or | 
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| 6 | modify it under the terms of the GNU Lesser General Public | 
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| 7 | License as published by the Free Software Foundation; either | 
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| 8 | version 2.1 of the License, or (at your option) any later version. | 
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| 9 |  | 
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| 10 | The GNU C Library is distributed in the hope that it will be useful, | 
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 13 | Lesser General Public License for more details. | 
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| 14 |  | 
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| 15 | You should have received a copy of the GNU Lesser General Public | 
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| 16 | License along with the GNU C Library; if not, see | 
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| 17 | <https://www.gnu.org/licenses/>.  */ | 
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| 18 |  | 
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| 19 | #include <errno.h> | 
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| 20 | #include "pthreadP.h" | 
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| 21 |  | 
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| 22 |  | 
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| 23 | /* Global definition.  Needed in pthread_getconcurrency as well.  */ | 
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| 24 | int __concurrency_level; | 
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| 25 |  | 
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| 26 |  | 
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| 27 | int | 
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| 28 | pthread_setconcurrency (int level) | 
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| 29 | { | 
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| 30 | if (level < 0) | 
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| 31 | return EINVAL; | 
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| 32 |  | 
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| 33 | __concurrency_level = level; | 
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| 34 |  | 
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| 35 | /* XXX For ports which actually need to handle the concurrency level | 
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| 36 | some more code is probably needed here.  */ | 
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| 37 |  | 
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| 38 | return 0; | 
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| 39 | } | 
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| 40 |  | 
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