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support/support_small_stack_thread_attribute.c
54 строки
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Adhemerval Zanella
support: Add use_stack_min option to support_small_thread_stack_size
20 май 2026, 17:49
20 май 2026, 17:49
f86b51d
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/* A thread attribute with a small stack. Copyright (C) 2019-2026 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #include <support/xthread.h> #include <allocate_once.h> static void * allocate (void *closure) { pthread_attr_t *result = malloc (sizeof (*result)); xpthread_attr_init (result); support_set_small_thread_stack_size (result, false); return result; } static void deallocate (void *ptr, void *closure) { xpthread_attr_destroy (ptr); free (ptr); } static void *small_stack_attr; pthread_attr_t * support_small_stack_thread_attribute (void) { return allocate_once (&small_stack_attr, allocate, deallocate, NULL); } static void __attribute__ ((destructor)) fini (void) { if (small_stack_attr != NULL) { deallocate (small_stack_attr, NULL); small_stack_attr = NULL; } }