| 1 | /* Allocate a new stack. Mach version. |
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| 2 | Copyright (C) 2000-2024 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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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 | |
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| 21 | #include <mach.h> |
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| 22 | |
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| 23 | #include <pt-internal.h> |
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| 24 | |
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| 25 | /* Allocate a new stack of size STACKSIZE. If successful, store the |
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| 26 | address of the newly allocated stack in *STACKADDR and return 0. |
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| 27 | Otherwise return an error code (EINVAL for an invalid stack size, |
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| 28 | EAGAIN if the system lacked the necessary resources to allocate a |
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| 29 | new stack). */ |
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| 30 | int |
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| 31 | __pthread_stack_alloc (void **stackaddr, size_t stacksize) |
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| 32 | { |
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| 33 | error_t err; |
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| 34 | |
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| 35 | err = __vm_allocate (__mach_task_self (), (vm_offset_t *) stackaddr, |
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| 36 | stacksize, TRUE); |
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| 37 | |
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| 38 | if (err == KERN_NO_SPACE) |
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| 39 | err = EAGAIN; |
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| 40 | return err; |
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| 41 | } |
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| 42 | |
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