| Server IP : 127.0.1.1 / Your IP : 216.73.216.152 Web Server : Apache/2.4.52 (Ubuntu) System : Linux bahcrestlinepropertiesllc 5.15.0-113-generic #123-Ubuntu SMP Mon Jun 10 08:16:17 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /lib/modules/5.15.0-161-generic/build/include/asm-generic/bitops/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_GENERIC_BITOPS_ATOMIC_H_
#define _ASM_GENERIC_BITOPS_ATOMIC_H_
#include <linux/atomic.h>
#include <linux/compiler.h>
#include <asm/barrier.h>
/*
* Implementation of atomic bitops using atomic-fetch ops.
* See Documentation/atomic_bitops.txt for details.
*/
static __always_inline void
arch_set_bit(unsigned int nr, volatile unsigned long *p)
{
p += BIT_WORD(nr);
arch_atomic_long_or(BIT_MASK(nr), (atomic_long_t *)p);
}
static __always_inline void
arch_clear_bit(unsigned int nr, volatile unsigned long *p)
{
p += BIT_WORD(nr);
arch_atomic_long_andnot(BIT_MASK(nr), (atomic_long_t *)p);
}
static __always_inline void
arch_change_bit(unsigned int nr, volatile unsigned long *p)
{
p += BIT_WORD(nr);
arch_atomic_long_xor(BIT_MASK(nr), (atomic_long_t *)p);
}
static __always_inline int
arch_test_and_set_bit(unsigned int nr, volatile unsigned long *p)
{
long old;
unsigned long mask = BIT_MASK(nr);
p += BIT_WORD(nr);
old = arch_atomic_long_fetch_or(mask, (atomic_long_t *)p);
return !!(old & mask);
}
static __always_inline int
arch_test_and_clear_bit(unsigned int nr, volatile unsigned long *p)
{
long old;
unsigned long mask = BIT_MASK(nr);
p += BIT_WORD(nr);
old = arch_atomic_long_fetch_andnot(mask, (atomic_long_t *)p);
return !!(old & mask);
}
static __always_inline int
arch_test_and_change_bit(unsigned int nr, volatile unsigned long *p)
{
long old;
unsigned long mask = BIT_MASK(nr);
p += BIT_WORD(nr);
old = arch_atomic_long_fetch_xor(mask, (atomic_long_t *)p);
return !!(old & mask);
}
#include <asm-generic/bitops/instrumented-atomic.h>
#endif /* _ASM_GENERIC_BITOPS_ATOMIC_H */