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/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
*
* wrapper/fdtable.h
*
* Copyright (C) 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
#ifndef _LTTNG_WRAPPER_FDTABLE_H
#define _LTTNG_WRAPPER_FDTABLE_H
#include <lttng/kernel-version.h>
#include <linux/fdtable.h>
#include <linux/sched.h>
#if ((LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,11,0)) || \
LTTNG_KERNEL_RANGE(5,10,220, 5,11,0))
static inline
struct file *lttng_lookup_fd_rcu(unsigned int fd)
{
return lookup_fd_rcu(fd);
}
#else
static inline
struct file *lttng_lookup_fd_rcu(unsigned int fd)
{
return fcheck(fd);
}
#endif
#if (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(3,7,0))
int lttng_iterate_fd(struct files_struct *files,
unsigned int first,
int (*cb)(const void *, struct file *, unsigned int),
const void *ctx);
#else
/*
* iterate_fd() appeared at commit
* c3c073f808b22dfae15ef8412b6f7b998644139a in the Linux kernel (first
* released kernel: v3.7).
*/
#define lttng_iterate_fd iterate_fd
#endif
#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,4,0))
static inline bool lttng_close_on_exec(int fd, const struct fdtable *fdt)
{
return close_on_exec(fd, fdt);
}
#else
static inline bool lttng_close_on_exec(int fd, const struct fdtable *fdt)
{
return FD_ISSET(fd, fdt->close_on_exec);
}
#endif
#endif /* _LTTNG_WRAPPER_FDTABLE_H */
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