1 files changed, 22 insertions, 19 deletions

diff --git a/src/global.zig b/src/global.zig
index 1dccb15e7..635e759ce 100644
--- a/src/global.zig
+++ b/src/global.zig
@@ -341,24 +341,27 @@ pub fn ensureNonBlocking(fd: anytype) void {
 }
 
 const global_scope_log = Output.scoped(.bun, false);
-pub fn isReadable(fd: std.os.fd_t) bool {
-    _ = fd;
-    return false;
-    // var polls = &[_]std.os.pollfd{
-    //     .{
-    //         .fd = fd,
-    //         .events = std.os.POLL.IN | std.os.POLL.ERR,
-    //         .revents = 0,
-    //     },
-    // };
-
-    // const result = (std.os.poll(polls, 0) catch 0) != 0;
-    // global_scope_log("isReadable: {d}", .{result});
-    // return result;
+pub fn isReadable(fd: std.os.fd_t) PollFlag {
+    var polls = &[_]std.os.pollfd{
+        .{
+            .fd = fd,
+            .events = std.os.POLL.IN | std.os.POLL.ERR,
+            .revents = 0,
+        },
+    };
+
+    const result = (std.os.poll(polls, 0) catch 0) != 0;
+    global_scope_log("isReadable: {d} ({d})", .{ result, polls[0].revents });
+    return if (result and polls[0].revents & std.os.POLL.HUP != 0)
+        PollFlag.hup
+    else if (result)
+        PollFlag.ready
+    else
+        PollFlag.not_ready;
 }
 
-pub const WritableFlag = enum { writable, not_writable, hup };
-pub fn isWritable(fd: std.os.fd_t) WritableFlag {
+pub const PollFlag = enum { ready, not_ready, hup };
+pub fn isWritable(fd: std.os.fd_t) PollFlag {
     var polls = &[_]std.os.pollfd{
         .{
             .fd = fd,
@@ -370,11 +373,11 @@ pub fn isWritable(fd: std.os.fd_t) WritableFlag {
     const result = (std.os.poll(polls, 0) catch 0) != 0;
     global_scope_log("isWritable: {d} ({d})", .{ result, polls[0].revents });
     if (result and polls[0].revents & std.os.POLL.HUP != 0) {
-        return WritableFlag.hup;
+        return PollFlag.hup;
     } else if (result) {
-        return WritableFlag.writable;
+        return PollFlag.ready;
     } else {
-        return WritableFlag.not_writable;
+        return PollFlag.not_ready;
     }
 }