| 1 | const builtin = @import("builtin"); |
| 2 | |
| 3 | const std = @import("std"); |
| 4 | const linux = std.os.linux; |
| 5 | |
| 6 | const symbol = @import("../c.zig").symbol; |
| 7 | const errno = @import("../c.zig").errno; |
| 8 | |
| 9 | comptime { |
| 10 | if (builtin.target.isMuslLibC()) { |
| 11 | symbol(&isastream, "isastream"); |
| 12 | } |
| 13 | } |
| 14 | |
| 15 | fn isastream(fd: c_int) callconv(.c) c_int { |
| 16 | return if (errno(linux.fcntl(fd, linux.F.GETFD, 0)) < 0) -1 else 0; |
| 17 | } |