Linux kernel open system call 분석
(버전 사이의 차이)
(→주요 함수) |
(→System Call) |
||
8번째 줄: | 8번째 줄: | ||
==== System Call ==== | ==== System Call ==== | ||
<tab2 class=wikitable sep=semicolon> | <tab2 class=wikitable sep=semicolon> | ||
− | [http://lxr.free-electrons.com/source/fs/open.c#L1003 SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, umode_t, mode) ; include/fs/open.c | + | [http://lxr.free-electrons.com/source/fs/open.c#L1003 SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, umode_t, mode)] ; include/fs/open.c |
</tab2> | </tab2> | ||
+ | |||
==== VFS ==== | ==== VFS ==== | ||
<tab2 sep=semicolon> | <tab2 sep=semicolon> |
2014년 4월 30일 (수) 03:06 판
목차 |
코드 분석
주요 자료구조
struct nameidata | include/linux/namei.h |
주요 함수
System Call
SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, umode_t, mode) | include/fs/open.c |
VFS
do_sys_open(int dfd, const char __user *filename, int flags, umode_t mode) : long | fs/open.c | |
getname(const char __user * filename) : struct filename | fs/namei.c | |
getname_flags(const char __user *filename, int flags, int *empty) : struct filename | fs/namei.c | |
get_unused_fd_flags(unsigned flags) : int | fs/file.c | |
__alloc_fd(struct files_struct *files, unsigned start, unsigned end, unsigned flags) : int | fs/file.c | |
do_filp_open(int dfd, struct filename *pathname, const struct open_flags *op) : struct file | fs/namei.c | |
path_openat(int dfd, struct filename *pathname, struct nameidata *nd, const struct open_flags *op, int flags) : struct file | fs/namei.c | |
get_empty_filp(void) : struct file | fs/file_table.c | |
do_tmpfile(int dfd, struct filename *pathname, struct nameidata *nd, int flags, const struct open_flags *op, struct file *file, int *opened) : int | fs/namei.c | |
path_init(int dfd, const char *name, unsigned int flags, struct nameidata *nd, struct file **fp) | ||
: int | fs/namei.c | |
link_path_walk(const char *name, struct nameidata *nd) : int | fs/namei.c | |
fd_install(const char __user * filename) : struct filename | fs/file.c |