diff options
Diffstat (limited to 'src/host_io.zig')
| -rw-r--r-- | src/host_io.zig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/host_io.zig b/src/host_io.zig index 63b907ac..b167ef8a 100644 --- a/src/host_io.zig +++ b/src/host_io.zig @@ -965,6 +965,7 @@ pub fn forkShell( const native_cwd = filesystem.localPath(cwd) orelse cwd; if (std.mem.indexOfScalar(u8, native_cwd, 0) != null) return error.InvalidPath; var cwd_buf: [4096]u8 = undefined; + const serial = if (core) |c| if (c.panes[pane]) |pn| pn.serial else 0 else 0; const cwd_z: ?[:0]const u8 = if (native_cwd.len == 0) null else dir: { const path = std.fmt.bufPrintSentinel(&cwd_buf, "{s}", .{native_cwd}, 0) catch return error.NameTooLong; // A shell's directory may be inside a mount this editor serves. @@ -974,6 +975,9 @@ pub fn forkShell( if (stat.kind != .directory) return error.NotDir; break :dir path; }; + // The turn was given up for the stat: a 9P client may have closed the + // pane, and another taken its slot, whose command this is not. + if (core) |c| if ((if (c.panes[pane]) |pn| pn.serial else 0) != serial) return error.PaneGone; var master: c_int = -1; var path_buf: [std.fs.max_path_bytes]u8 = undefined; // A terminal opened on a shell of its own (`Tty fish`) runs that one. |