From 76afdd0586dc646bee1f20fd9ff23c044d70a211 Mon Sep 17 00:00:00 2001 From: Jakub Konka Date: Thu, 16 Mar 2023 17:11:44 +0100 Subject: link: move macOS kernel inode cache invalidation to MachO linker --- src/link.zig | 21 +-------------------- 1 file changed, 1 insertion(+), 20 deletions(-) (limited to 'src/link.zig') diff --git a/src/link.zig b/src/link.zig index e68f9c97d0..a919ffa999 100644 --- a/src/link.zig +++ b/src/link.zig @@ -418,26 +418,7 @@ pub const File = struct { .Exe => {}, } switch (base.tag) { - .macho => if (base.file) |f| { - if (build_options.only_c) unreachable; - if (comptime builtin.target.isDarwin() and builtin.target.cpu.arch == .aarch64) { - if (base.options.target.cpu.arch == .aarch64) { - // XNU starting with Big Sur running on arm64 is caching inodes of running binaries. - // Any change to the binary will effectively invalidate the kernel's cache - // resulting in a SIGKILL on each subsequent run. Since when doing incremental - // linking we're modifying a binary in-place, this will end up with the kernel - // killing it on every subsequent run. To circumvent it, we will copy the file - // into a new inode, remove the original file, and rename the copy to match - // the original file. This is super messy, but there doesn't seem any other - // way to please the XNU. - const emit = base.options.emit orelse return; - try emit.directory.handle.copyFile(emit.sub_path, emit.directory.handle, emit.sub_path, .{}); - } - } - f.close(); - base.file = null; - }, - .coff, .elf, .plan9, .wasm => if (base.file) |f| { + .coff, .elf, .macho, .plan9, .wasm => if (base.file) |f| { if (build_options.only_c) unreachable; if (base.intermediary_basename != null) { // The file we have open is not the final file that we want to -- cgit v1.2.3