Zig 0.17.0-dev (Split by item)

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childKill

Dispatch.childKill

fn childKill(userdata: ?*anyopaque, child: *process.Child) void

File

lib/std/Io/Dispatch.zig:4593

Code

fn childKill(userdata: ?*anyopaque, child: *process.Child) void {
    const ev: *Evented = @ptrCast(@alignCast(userdata));
    defer ev.childCleanup(child);
    const pid = child.id.?;
    while (true) switch (c.errno(c.kill(pid, .TERM))) {
        .SUCCESS => break,
        .INTR => {},
        .PERM => return,
        .INVAL => |err| errnoBug(err) catch return,
        .SRCH => |err| errnoBug(err) catch return,
        else => |err| unexpectedErrno(err) catch return,
    };
    var status: c_int = undefined;
    while (true) switch (c.errno(c.wait4(pid, &status, 0, null))) {
        .SUCCESS => return,
        .INTR => {},
        .CHILD => |err| errnoBug(err) catch return, // Double-free.
        else => |err| unexpectedErrno(err) catch return,
    };
}