struct fown_struct f_owner; struct fown_struct在linux/include/linux/fs.h被定义,原型为: struct fown_struct { rwlock_t lock; /* protects pid, uid, euid fields */ struct pid *pid; /* pid or -pgrp where SIGIO should be sent */ enum pid_type pid_type; /* Kind of process group SIGI...
off_t f_pos; 该文件在当前进程中的文件偏移量 struct fown_struct f_owner; 该结构的作用是通过信号进行I/O时间通知的数据。 unsigned int f_uid, f_gid; 文件所有者id,所有者组id struct file_ra_state f_ra; 在linux/include/linux/fs.h中定义,文件预读相关 unsigned long f_version; #ifdef CONFIG...
AI代码解释 172struct files_struct{173atomic_t count;174rwlock_t file_lock;/* Protects all the below members. Nests inside tsk->alloc_lock */175int max_fds;176int max_fdset;177int next_fd;178struct file**fd;/* current fd array */179fd_set*close_on_exec;180fd_set*open_fds;181fd_...
struct fown_struct f_owner; struct fown_struct在linux/include/linux/fs.h被定义,原型为: struct fown_struct { rwlock_t lock; /* protects pid, uid, euid fields */ struct pid *pid; /* pid or -pgrp where SIGIO should be sent */ enum pid_type pid_type; /* Kind of process group SIGI...
struct fown_struct f_owner; unsigned int f_uid, f_gid; struct file_ra_state f_ra; u64 f_version; #ifdef CONFIG_SECURITY void *f_security; #endif /* needed for tty driver, and maybe others */ void *private_data;//该成员是系统调用时保存状态信息非常有用的资源。
atomic_long_t f_count;unsigned int f_flags;fmode_t f_mode;loff_t f_pos;struct fown_struct f_owner;const struct cred*f_cred;struct file_ra_state f_ra;u64f_version;#ifdef CONFIG_SECURITY void*f_security;#endif void*private_data;#ifdef CONFIG_EPOLL struct list_head f_ep_links;#endif...
struct fown_struct f_owner; const struct cred *f_cred; struct file_ra_state f_ra; u64 f_version; #ifdef CONFIG_SECURITY void *f_security; #endif void *private_data; #ifdef CONFIG_EPOLL struct list_head f_ep_links; #endif struct address_space *f_mapping; #ifdef CONFIG_DEBUG_WRITECOU...
files_struct 总的信息：files_struct 结构体保存了该进程打开的所有文件表数据，描述一个正被打开的文件。总共只能够打开NR_OPEN_DEFAULT个文件 struct files_struct { /* * read mostly part */ atomic_t count; 自动增量 struct fdtable *fdt; struct fdtable fdtab; /* * writte...
struct fown_struct f_owner; unsigned int f_uid, f_gid; struct file_ra_state f_ra; u64 f_version; #ifdef CONFIG_SECURITY void *f_security; #endif /* needed for tty driver, and maybe others */ void *private_data;//该成员是系统调用时保存状态信息非常有用的资源。
struct fown_struct f_owner; unsigned int f_uid, f_gid; struct file_ra_state f_ra; u64 f_version; #ifdef CONFIG_SECURITY void *f_security; #endif /* needed for tty driver, and maybe others */ void *private_data;//该成员是系统调用时保存状态信息非常有用的资源。