42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/* Set a small stack size, but still large enough for glibc's needs.
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Copyright (C) 2019-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <limits.h>
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#include <pthread.h>
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#include <support/xthread.h>
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size_t
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support_small_thread_stack_size (void)
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{
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/* Some architectures have too small values for PTHREAD_STACK_MIN
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which cannot be used for creating threads. Ensure that the stack
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size is at least 256 KiB. */
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size_t stack_size = 256 * 1024;
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#ifdef PTHREAD_STACK_MIN
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if (stack_size < PTHREAD_STACK_MIN)
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stack_size = PTHREAD_STACK_MIN;
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#endif
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return stack_size;
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}
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void
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support_set_small_thread_stack_size (pthread_attr_t *attr)
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{
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xpthread_attr_setstacksize (attr, support_small_thread_stack_size ());
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}
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