posixExecvPath

pub fn posixExecvPath(
    path: [*:0]const u8,
    child_argv: [*:null]const ?[*:0]const u8,
    env_block: process.Environ.PosixBlock,
) process.ReplaceError {
    try Thread.checkCancel();
    switch (posix.errno(posix.system.execve(path, child_argv, env_block.slice.ptr))) {
        .FAULT => |err| return errnoBug(err), // Bad pointer parameter.
        .@"2BIG" => return error.SystemResources,
        .MFILE => return error.ProcessFdQuotaExceeded,
        .NAMETOOLONG => return error.NameTooLong,
        .NFILE => return error.SystemFdQuotaExceeded,
        .NOMEM => return error.SystemResources,
        .ACCES => return error.AccessDenied,
        .PERM => return error.PermissionDenied,
        .INVAL => return error.InvalidExe,
        .NOEXEC => return error.InvalidExe,
        .IO => return error.FileSystem,
        .LOOP => return error.FileSystem,
        .ISDIR => return error.IsDir,
        .NOENT => return error.FileNotFound,
        .NOTDIR => return error.NotDir,
        .TXTBSY => return error.FileBusy,
        else => |err| switch (native_os) {
            .driverkit, .ios, .maccatalyst, .macos, .tvos, .visionos, .watchos => switch (err) {
                .BADEXEC => return error.InvalidExe,
                .BADARCH => return error.InvalidExe,
                else => return posix.unexpectedErrno(err),
            },
            .linux => switch (err) {
                .LIBBAD => return error.InvalidExe,
                else => return posix.unexpectedErrno(err),
            },
            else => return posix.unexpectedErrno(err),
        },
    }
}