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Add Directory file descriptor relative syscall. #307

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merged 1 commit into from Jun 10, 2016
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Just for now

Add Directory file descriptor relative syscall.

I only added "*at" syscall relative to Posix2008 specification.

At the moment OSX and Android are partially supporting this API.

This include:
* `openat`
* `faccessat`
* `fchmodat`
* `fchownat`
* `fstatat`
* `linkat`
* `mkdirat`
* `mknodat` [0]
* `readlinkat`
* `renameat`
* `symlinkat`
* `unlinkat`
* `mkfifoat` [0][1]

[1] Not available on Android at the moment:
* `mkfifo`

[1] Not available on OSX at the moment:
* `mkfifoat`
* `mknodat`

And exclude operating system specific API:
* `renameat2`: Linux specific
* `execveat`: Linux specific since 3.19
* `futimesat`: GNU extension
* `name_to_handle_at`: GNU extension
* `scandirat`: GNU extension
* `fanotify_mark`: belong to fanotify API.
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darnuria committed Jun 10, 2016
commit 26ee782523f2616568bbc30b545abd0f1122eefd
@@ -18,6 +18,7 @@ script:
cargo build --no-default-features &&
rustc ci/style.rs && ./style src;
fi
osx_image: xcode7.3
os:
- linux
- osx
@@ -1365,6 +1365,33 @@ extern {
pub fn querylocale(mask: ::c_int, loc: ::locale_t) -> *const ::c_char;
pub fn getpriority(which: ::c_int, who: ::id_t) -> ::c_int;
pub fn setpriority(which: ::c_int, who: ::id_t, prio: ::c_int) -> ::c_int;

pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
flags: ::c_int, ...) -> ::c_int;
pub fn faccessat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::c_int, flags: ::c_int) -> ::c_int;
pub fn fchmodat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t, flags: ::c_int) -> ::c_int;
pub fn fchownat(dirfd: ::c_int, pathname: *const ::c_char,
owner: ::uid_t, group: ::gid_t,
flags: ::c_int) -> ::c_int;
#[cfg_attr(target_os = "macos", link_name = "fstatat$INODE64")]
pub fn fstatat(dirfd: ::c_int, pathname: *const ::c_char,
buf: *mut stat, flags: ::c_int) -> ::c_int;
pub fn linkat(olddirfd: ::c_int, oldpath: *const ::c_char,
newdirfd: ::c_int, newpath: *const ::c_char,
flags: ::c_int) -> ::c_int;
pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t) -> ::c_int;
pub fn readlinkat(dirfd: ::c_int, pathname: *const ::c_char,
buf: *mut ::c_char, bufsiz: ::size_t) -> ::ssize_t;
pub fn renameat(olddirfd: ::c_int, oldpath: *const ::c_char,
newdirfd: ::c_int, newpath: *const ::c_char)
-> ::c_int;
pub fn symlinkat(target: *const ::c_char, newdirfd: ::c_int,
linkpath: *const ::c_char) -> ::c_int;
pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char,
flags: ::c_int) -> ::c_int;
}

cfg_if! {
@@ -753,6 +753,36 @@ extern {
stacksize: *mut ::size_t) -> ::c_int;
pub fn getpriority(which: ::c_int, who: ::c_int) -> ::c_int;
pub fn setpriority(which: ::c_int, who: ::c_int, prio: ::c_int) -> ::c_int;

pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
flags: ::c_int, ...) -> ::c_int;
pub fn faccessat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::c_int, flags: ::c_int) -> ::c_int;
pub fn fchmodat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t, flags: ::c_int) -> ::c_int;
pub fn fchownat(dirfd: ::c_int, pathname: *const ::c_char,
owner: ::uid_t, group: ::gid_t,
flags: ::c_int) -> ::c_int;
pub fn fstatat(dirfd: ::c_int, pathname: *const ::c_char,
buf: *mut stat, flags: ::c_int) -> ::c_int;
pub fn linkat(olddirfd: ::c_int, oldpath: *const ::c_char,
newdirfd: ::c_int, newpath: *const ::c_char,
flags: ::c_int) -> ::c_int;
pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t) -> ::c_int;
pub fn mknodat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t, dev: dev_t) -> ::c_int;
pub fn readlinkat(dirfd: ::c_int, pathname: *const ::c_char,
buf: *mut ::c_char, bufsiz: ::size_t) -> ::ssize_t;
pub fn renameat(olddirfd: ::c_int, oldpath: *const ::c_char,
newdirfd: ::c_int, newpath: *const ::c_char)
-> ::c_int;
pub fn symlinkat(target: *const ::c_char, newdirfd: ::c_int,
linkpath: *const ::c_char) -> ::c_int;
pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char,
flags: ::c_int) -> ::c_int;
pub fn mkfifoat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t) -> ::c_int;
}

cfg_if! {
@@ -476,6 +476,36 @@ extern {
winp: *mut ::winsize) -> ::pid_t;
pub fn getpriority(which: ::c_int, who: ::id_t) -> ::c_int;
pub fn setpriority(which: ::c_int, who: ::id_t, prio: ::c_int) -> ::c_int;

pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
flags: ::c_int, ...) -> ::c_int;
pub fn faccessat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::c_int, flags: ::c_int) -> ::c_int;
pub fn fchmodat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t, flags: ::c_int) -> ::c_int;
pub fn fchownat(dirfd: ::c_int, pathname: *const ::c_char,
owner: ::uid_t, group: ::gid_t,
flags: ::c_int) -> ::c_int;
pub fn fstatat(dirfd: ::c_int, pathname: *const ::c_char,
buf: *mut stat, flags: ::c_int) -> ::c_int;
pub fn linkat(olddirfd: ::c_int, oldpath: *const ::c_char,
newdirfd: ::c_int, newpath: *const ::c_char,
flags: ::c_int) -> ::c_int;
pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t) -> ::c_int;
pub fn mknodat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t, dev: dev_t) -> ::c_int;
pub fn readlinkat(dirfd: ::c_int, pathname: *const ::c_char,
buf: *mut ::c_char, bufsiz: ::size_t) -> ::ssize_t;
pub fn renameat(olddirfd: ::c_int, oldpath: *const ::c_char,
newdirfd: ::c_int, newpath: *const ::c_char)
-> ::c_int;
pub fn symlinkat(target: *const ::c_char, newdirfd: ::c_int,
linkpath: *const ::c_char) -> ::c_int;
pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char,
flags: ::c_int) -> ::c_int;
pub fn mkfifoat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t) -> ::c_int;
}

cfg_if! {
@@ -627,6 +627,10 @@ extern {
remote_iov: *const ::iovec,
riovcnt: ::c_ulong,
flags: ::c_ulong) -> isize;

// Not available now on Android
pub fn mkfifoat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t) -> ::c_int;
}

cfg_if! {
@@ -804,6 +804,34 @@ extern {
pub fn stat64(path: *const c_char, buf: *mut stat64) -> ::c_int;
pub fn eventfd(init: ::c_uint, flags: ::c_int) -> ::c_int;
pub fn sysinfo (info: *mut ::sysinfo) -> ::c_int;

pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
flags: ::c_int, ...) -> ::c_int;
pub fn faccessat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::c_int, flags: ::c_int) -> ::c_int;
pub fn fchmodat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t, flags: ::c_int) -> ::c_int;
pub fn fchownat(dirfd: ::c_int, pathname: *const ::c_char,
owner: ::uid_t, group: ::gid_t,
flags: ::c_int) -> ::c_int;
pub fn fstatat(dirfd: ::c_int, pathname: *const ::c_char,
buf: *mut stat, flags: ::c_int) -> ::c_int;
pub fn linkat(olddirfd: ::c_int, oldpath: *const ::c_char,
newdirfd: ::c_int, newpath: *const ::c_char,
flags: ::c_int) -> ::c_int;
pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t) -> ::c_int;
pub fn mknodat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t, dev: dev_t) -> ::c_int;
pub fn readlinkat(dirfd: ::c_int, pathname: *const ::c_char,
buf: *mut ::c_char, bufsiz: ::size_t) -> ::ssize_t;
pub fn renameat(olddirfd: ::c_int, oldpath: *const ::c_char,
newdirfd: ::c_int, newpath: *const ::c_char)
-> ::c_int;
pub fn symlinkat(target: *const ::c_char, newdirfd: ::c_int,
linkpath: *const ::c_char) -> ::c_int;
pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char,
flags: ::c_int) -> ::c_int;
}

cfg_if! {
@@ -911,5 +911,35 @@ extern {
pub fn getloadavg(loadavg: *mut ::c_double, nelem: ::c_int) -> ::c_int;
pub fn getpriority(which: ::c_int, who: ::c_int) -> ::c_int;
pub fn setpriority(which: ::c_int, who: ::c_int, prio: ::c_int) -> ::c_int;

pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
flags: ::c_int, ...) -> ::c_int;
pub fn faccessat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::c_int, flags: ::c_int) -> ::c_int;
pub fn fchmodat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t, flags: ::c_int) -> ::c_int;
pub fn fchownat(dirfd: ::c_int, pathname: *const ::c_char,
owner: ::uid_t, group: ::gid_t,
flags: ::c_int) -> ::c_int;
pub fn fstatat(dirfd: ::c_int, pathname: *const ::c_char,
buf: *mut stat, flags: ::c_int) -> ::c_int;
pub fn linkat(olddirfd: ::c_int, oldpath: *const ::c_char,
newdirfd: ::c_int, newpath: *const ::c_char,
flags: ::c_int) -> ::c_int;
pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t) -> ::c_int;
pub fn mknodat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t, dev: dev_t) -> ::c_int;
pub fn readlinkat(dirfd: ::c_int, pathname: *const ::c_char,
buf: *mut ::c_char, bufsiz: ::size_t) -> ::ssize_t;
pub fn renameat(olddirfd: ::c_int, oldpath: *const ::c_char,
newdirfd: ::c_int, newpath: *const ::c_char)
-> ::c_int;
pub fn symlinkat(target: *const ::c_char, newdirfd: ::c_int,
linkpath: *const ::c_char) -> ::c_int;
pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char,
flags: ::c_int) -> ::c_int;
pub fn mkfifoat(dirfd: ::c_int, pathname: *const ::c_char,
mode: ::mode_t) -> ::c_int;
}

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