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/*
* Copyright (C) 2024-2025 Colin Ian King.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef CORE_STACK_H
#define CORE_STACK_H
#include "stress-ng.h"
#define STRESS_SIGSTKSZ (stress_get_sig_stack_size())
#define STRESS_MINSIGSTKSZ (stress_get_min_sig_stack_size())
static inline WARN_UNUSED ALWAYS_INLINE void *stress_align_stack(void *stack_top)
{
return (void *)((uintptr_t)stack_top & ~(uintptr_t)0xf);
}
extern WARN_UNUSED ssize_t stress_get_stack_direction(void);
extern WARN_UNUSED void *stress_get_stack_top(void *start, size_t size);
extern WARN_UNUSED int stress_sigaltstack_no_check(void *stack, const size_t size);
extern WARN_UNUSED int stress_sigaltstack(void *stack, const size_t size);
extern void stress_sigaltstack_disable(void);
extern WARN_UNUSED size_t stress_get_sig_stack_size(void);
extern WARN_UNUSED size_t stress_get_min_sig_stack_size(void);
extern WARN_UNUSED size_t stress_get_min_pthread_stack_size(void);
extern void stress_set_stack_smash_check_flag(const bool flag);
extern void stress_backtrace(void);
#endif
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