| xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* Copyright (C) 2002-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <assert.h> |
| 20 | #include <errno.h> |
| 21 | #include <limits.h> |
| 22 | #include "pthreadP.h" |
| 23 | |
| 24 | |
| 25 | #ifndef NEW_VERNUM |
| 26 | # define NEW_VERNUM GLIBC_2_3_3 |
| 27 | #endif |
| 28 | |
| 29 | |
| 30 | int |
| 31 | __pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr, |
| 32 | size_t stacksize) |
| 33 | { |
| 34 | struct pthread_attr *iattr; |
| 35 | |
| 36 | assert (sizeof (*attr) >= sizeof (struct pthread_attr)); |
| 37 | iattr = (struct pthread_attr *) attr; |
| 38 | |
| 39 | /* Catch invalid sizes. */ |
| 40 | int ret = check_stacksize_attr (stacksize); |
| 41 | if (ret) |
| 42 | return ret; |
| 43 | |
| 44 | #ifdef EXTRA_PARAM_CHECKS |
| 45 | EXTRA_PARAM_CHECKS; |
| 46 | #endif |
| 47 | |
| 48 | iattr->stacksize = stacksize; |
| 49 | #if _STACK_GROWS_DOWN |
| 50 | iattr->stackaddr = (char *) stackaddr + stacksize; |
| 51 | #else |
| 52 | iattr->stackaddr = (char *) stackaddr; |
| 53 | #endif |
| 54 | iattr->flags |= ATTR_FLAG_STACKADDR; |
| 55 | |
| 56 | return 0; |
| 57 | } |
| 58 | |
| 59 | #if PTHREAD_STACK_MIN == 16384 |
| 60 | strong_alias (__pthread_attr_setstack, pthread_attr_setstack) |
| 61 | #else |
| 62 | # include <shlib-compat.h> |
| 63 | versioned_symbol (libpthread, __pthread_attr_setstack, pthread_attr_setstack, |
| 64 | NEW_VERNUM); |
| 65 | |
| 66 | # if SHLIB_COMPAT(libpthread, GLIBC_2_2, NEW_VERNUM) |
| 67 | |
| 68 | int |
| 69 | __old_pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr, |
| 70 | size_t stacksize) |
| 71 | { |
| 72 | struct pthread_attr *iattr; |
| 73 | |
| 74 | assert (sizeof (*attr) >= sizeof (struct pthread_attr)); |
| 75 | iattr = (struct pthread_attr *) attr; |
| 76 | |
| 77 | /* Catch invalid sizes. */ |
| 78 | if (stacksize < 16384) |
| 79 | return EINVAL; |
| 80 | |
| 81 | # ifdef EXTRA_PARAM_CHECKS |
| 82 | EXTRA_PARAM_CHECKS; |
| 83 | # endif |
| 84 | |
| 85 | iattr->stacksize = stacksize; |
| 86 | #if _STACK_GROWS_DOWN |
| 87 | iattr->stackaddr = (char *) stackaddr + stacksize; |
| 88 | #else |
| 89 | iattr->stackaddr = (char *) stackaddr; |
| 90 | #endif |
| 91 | iattr->flags |= ATTR_FLAG_STACKADDR; |
| 92 | |
| 93 | return 0; |
| 94 | } |
| 95 | |
| 96 | compat_symbol (libpthread, __old_pthread_attr_setstack, pthread_attr_setstack, |
| 97 | GLIBC_2_2); |
| 98 | # endif |
| 99 | |
| 100 | #endif |