Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 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, Directory :  /usr/src/linux-headers-5.4.0-198/include/linux/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

#ifndef _LINUX_MMAP_LOCK_H
#define _LINUX_MMAP_LOCK_H

static inline void mmap_init_lock(struct mm_struct *mm)
{
	init_rwsem(&mm->mmap_sem);
}

static inline void mmap_write_lock(struct mm_struct *mm)
{
	down_write(&mm->mmap_sem);
}

static inline int mmap_write_lock_killable(struct mm_struct *mm)
{
	return down_write_killable(&mm->mmap_sem);
}

static inline bool mmap_write_trylock(struct mm_struct *mm)
{
	return down_write_trylock(&mm->mmap_sem) != 0;
}

static inline void mmap_write_unlock(struct mm_struct *mm)
{
	up_write(&mm->mmap_sem);
}

static inline void mmap_write_downgrade(struct mm_struct *mm)
{
	downgrade_write(&mm->mmap_sem);
}

static inline void mmap_read_lock(struct mm_struct *mm)
{
	down_read(&mm->mmap_sem);
}

static inline int mmap_read_lock_killable(struct mm_struct *mm)
{
	return down_read_killable(&mm->mmap_sem);
}

static inline bool mmap_read_trylock(struct mm_struct *mm)
{
	return down_read_trylock(&mm->mmap_sem) != 0;
}

static inline void mmap_read_unlock(struct mm_struct *mm)
{
	up_read(&mm->mmap_sem);
}

#endif /* _LINUX_MMAP_LOCK_H */