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mux: proc_pidinfo is now available in libc on macos

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So we don't need our own copy of the ffi bits here
This commit is contained in:
Wez Furlong 2021-12-31 11:09:43 -07:00
parent 43dff29391
commit 09e8d7b92f
1 changed files with 12 additions and 59 deletions
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71
mux/src/localpane.rs
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@ -772,67 +772,20 @@ impl LocalPane {
#[cfg(target_os = "macos")]
fn divine_current_working_dir_macos(&self) -> Option<Url> {
if let Some(pid) = self.pty.borrow().process_group_leader() {
extern "C" {
fn proc_pidinfo(
pid: libc::pid_t,
flavor: libc::c_int,
arg: u64,
buffer: *mut proc_vnodepathinfo,
buffersize: libc::c_int,
) -> libc::c_int;
}
const PROC_PIDVNODEPATHINFO: libc::c_int = 9;
#[repr(C)]
struct vinfo_stat {
vst_dev: u32,
vst_mode: u16,
vst_nlink: u16,
vst_ino: u64,
vst_uid: libc::uid_t,
vst_gid: libc::gid_t,
vst_atime: i64,
vst_atimensec: i64,
vst_mtime: i64,
vst_mtimensec: i64,
vst_ctime: i64,
vst_ctimensec: i64,
vst_birthtime: i64,
vst_birthtimensec: i64,
vst_size: libc::off_t,
vst_blocks: i64,
vst_blksize: i32,
vst_flags: u32,
vst_gen: u32,
vst_rdev: u32,
vst_qspare_1: i64,
vst_qspare_2: i64,
}
#[repr(C)]
struct vnode_info {
vi_stat: vinfo_stat,
vi_type: libc::c_int,
vi_pad: libc::c_int,
vi_fsid: libc::fsid_t,
}
const MAXPATHLEN: usize = 1024;
#[repr(C)]
struct vnode_info_path {
vip_vi: vnode_info,
vip_path: [i8; MAXPATHLEN],
}
#[repr(C)]
struct proc_vnodepathinfo {
pvi_cdir: vnode_info_path,
pvi_rdir: vnode_info_path,
}
let mut pathinfo: proc_vnodepathinfo = unsafe { std::mem::zeroed() };
let mut pathinfo: libc::proc_vnodepathinfo = unsafe { std::mem::zeroed() };
let size = std::mem::size_of_val(&pathinfo) as libc::c_int;
let ret = unsafe { proc_pidinfo(pid, PROC_PIDVNODEPATHINFO, 0, &mut pathinfo, size) };
let ret = unsafe {
libc::proc_pidinfo(
pid,
libc::PROC_PIDVNODEPATHINFO,
0,
&mut pathinfo as *mut _ as *mut _,
size,
)
};
if ret == size {
let path = unsafe { std::ffi::CStr::from_ptr(pathinfo.pvi_cdir.vip_path.as_ptr()) };
let path =
unsafe { std::ffi::CStr::from_ptr(pathinfo.pvi_cdir.vip_path.as_ptr() as _) };
if let Ok(s) = path.to_str() {
return Url::parse(&format!("file://localhost{}", s)).ok();
}