Don't enable REUSEPORT on unix socket

karlseguin · karlseguin · commit 9434eaa607f8 · 2025-05-04T12:54:22.000+08:00
#123
diff --git a/src/httpz.zig b/src/httpz.zig
@@ -375,10 +375,12 @@ pub fn Server(comptime H: type) type {
             }
 
             try posix.setsockopt(listener, posix.SOL.SOCKET, posix.SO.REUSEADDR, &std.mem.toBytes(@as(c_int, 1)));
-            if (@hasDecl(posix.SO, "REUSEPORT_LB")) {
-                try posix.setsockopt(listener, posix.SOL.SOCKET, posix.SO.REUSEPORT_LB, &std.mem.toBytes(@as(c_int, 1)));
-            } else if (@hasDecl(posix.SO, "REUSEPORT")) {
-                try posix.setsockopt(listener, posix.SOL.SOCKET, posix.SO.REUSEPORT, &std.mem.toBytes(@as(c_int, 1)));
+            if (config.unix_path == null) {
+                if (@hasDecl(posix.SO, "REUSEPORT_LB")) {
+                    try posix.setsockopt(listener, posix.SOL.SOCKET, posix.SO.REUSEPORT_LB, &std.mem.toBytes(@as(c_int, 1)));
+                } else if (@hasDecl(posix.SO, "REUSEPORT")) {
+                    try posix.setsockopt(listener, posix.SOL.SOCKET, posix.SO.REUSEPORT, &std.mem.toBytes(@as(c_int, 1)));
+                }
             }
 
             {

Original file line number	Diff line number	Diff line change
`@@ -375,10 +375,12 @@ pub fn Server(comptime H: type) type {`
`375`	`375`	`}`
`376`	`376`
`377`	`377`	`try posix.setsockopt(listener, posix.SOL.SOCKET, posix.SO.REUSEADDR, &std.mem.toBytes(@as(c_int, 1)));`
`378`		`- if (@hasDecl(posix.SO, "REUSEPORT_LB")) {`
`379`		`- try posix.setsockopt(listener, posix.SOL.SOCKET, posix.SO.REUSEPORT_LB, &std.mem.toBytes(@as(c_int, 1)));`
`380`		`- } else if (@hasDecl(posix.SO, "REUSEPORT")) {`
`381`		`- try posix.setsockopt(listener, posix.SOL.SOCKET, posix.SO.REUSEPORT, &std.mem.toBytes(@as(c_int, 1)));`
	`378`	`+ if (config.unix_path == null) {`
	`379`	`+ if (@hasDecl(posix.SO, "REUSEPORT_LB")) {`
	`380`	`+ try posix.setsockopt(listener, posix.SOL.SOCKET, posix.SO.REUSEPORT_LB, &std.mem.toBytes(@as(c_int, 1)));`
	`381`	`+ } else if (@hasDecl(posix.SO, "REUSEPORT")) {`
	`382`	`+ try posix.setsockopt(listener, posix.SOL.SOCKET, posix.SO.REUSEPORT, &std.mem.toBytes(@as(c_int, 1)));`
	`383`	`+ }`
`382`	`384`	`}`
`383`	`385`
`384`	`386`	`{`