| 1 | /* Copyright (C) 2002-2022 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <errno.h> |
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| 19 | #include <limits.h> |
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| 20 | #include "pthreadP.h" |
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| 21 | #include <shlib-compat.h> |
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| 22 | |
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| 23 | |
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| 24 | #ifndef NEW_VERNUM |
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| 25 | # define NEW_VERNUM GLIBC_2_3_3 |
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| 26 | #endif |
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| 27 | |
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| 28 | |
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| 29 | int |
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| 30 | __pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr, |
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| 31 | size_t stacksize) |
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| 32 | { |
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| 33 | struct pthread_attr *iattr; |
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| 34 | |
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| 35 | iattr = (struct pthread_attr *) attr; |
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| 36 | |
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| 37 | /* Catch invalid sizes. */ |
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| 38 | int ret = check_stacksize_attr (st: stacksize); |
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| 39 | if (ret) |
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| 40 | return ret; |
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| 41 | |
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| 42 | #ifdef EXTRA_PARAM_CHECKS |
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| 43 | EXTRA_PARAM_CHECKS; |
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| 44 | #endif |
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| 45 | |
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| 46 | iattr->stacksize = stacksize; |
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| 47 | #if _STACK_GROWS_DOWN |
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| 48 | iattr->stackaddr = (char *) stackaddr + stacksize; |
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| 49 | #else |
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| 50 | iattr->stackaddr = (char *) stackaddr; |
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| 51 | #endif |
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| 52 | iattr->flags |= ATTR_FLAG_STACKADDR; |
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| 53 | |
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| 54 | return 0; |
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| 55 | } |
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| 56 | versioned_symbol (libc, __pthread_attr_setstack, pthread_attr_setstack, |
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| 57 | GLIBC_2_34); |
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| 58 | |
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| 59 | #if PTHREAD_STACK_MIN == 16384 |
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| 60 | # if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, GLIBC_2_34) |
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| 61 | compat_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack, |
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| 62 | GLIBC_2_2); |
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| 63 | # endif |
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| 64 | #else /* PTHREAD_STACK_MIN != 16384 */ |
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| 65 | # if OTHER_SHLIB_COMPAT (libpthread, NEW_VERNUM, GLIBC_2_34) |
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| 66 | compat_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack, |
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| 67 | NEW_VERNUM); |
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| 68 | # endif |
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| 69 | |
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| 70 | # if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_2, NEW_VERNUM) |
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| 71 | int |
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| 72 | __old_pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr, |
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| 73 | size_t stacksize) |
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| 74 | { |
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| 75 | struct pthread_attr *iattr; |
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| 76 | |
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| 77 | iattr = (struct pthread_attr *) attr; |
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| 78 | |
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| 79 | /* Catch invalid sizes. */ |
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| 80 | if (stacksize < 16384) |
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| 81 | return EINVAL; |
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| 82 | |
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| 83 | # ifdef EXTRA_PARAM_CHECKS |
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| 84 | EXTRA_PARAM_CHECKS; |
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| 85 | # endif |
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| 86 | |
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| 87 | iattr->stacksize = stacksize; |
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| 88 | # if _STACK_GROWS_DOWN |
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| 89 | iattr->stackaddr = (char *) stackaddr + stacksize; |
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| 90 | # else |
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| 91 | iattr->stackaddr = (char *) stackaddr; |
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| 92 | # endif |
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| 93 | iattr->flags |= ATTR_FLAG_STACKADDR; |
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| 94 | |
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| 95 | return 0; |
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| 96 | } |
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| 97 | |
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| 98 | compat_symbol (libpthread, __old_pthread_attr_setstack, pthread_attr_setstack, |
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| 99 | GLIBC_2_2); |
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| 100 | # endif /* OTHER_SHLIB_COMPAT */ |
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| 101 | #endif /* PTHREAD_STACK_MIN != 16384 */ |
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| 102 | |
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