diff options
Diffstat (limited to 'src/javascript/jsc/api/bun.zig')
| -rw-r--r-- | src/javascript/jsc/api/bun.zig | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/src/javascript/jsc/api/bun.zig b/src/javascript/jsc/api/bun.zig index d9c8aeee5..bd9fa54e6 100644 --- a/src/javascript/jsc/api/bun.zig +++ b/src/javascript/jsc/api/bun.zig @@ -1179,24 +1179,26 @@ pub fn mmapFile( var buf: [bun.MAX_PATH_BYTES]u8 = undefined; const path = getFilePath(ctx, arguments[0..@minimum(1, arguments.len)], &buf, exception) orelse return null; + args.eat(); buf[path.len] = 0; const buf_z: [:0]const u8 = buf[0..path.len :0]; - const flags = v: { - _ = args.nextEat(); - const opts = args.nextEat() orelse break :v std.os.MAP.SHARED; - const sync = opts.get(ctx.ptr(), "sync") orelse JSC.JSValue.jsBoolean(false); - const shared = opts.get(ctx.ptr(), "shared") orelse JSC.JSValue.jsBoolean(true); - const sync_flags = if (@hasDecl(std.os, "SYNC")) std.os.MAP.SYNC | std.os.MAP.SHARED_VALIDATE else 0; + const sync_flags: u32 = if (@hasDecl(std.os.MAP, "SYNC")) std.os.MAP.SYNC | std.os.MAP.SHARED_VALIDATE else 0; + const file_flags: u32 = if (@hasDecl(std.os.MAP, "FILE")) std.os.MAP.FILE else 0; - var flags: u32 = 0; - if (sync.toBoolean()) flags |= sync_flags; - if (shared.toBoolean()) flags |= std.os.MAP.SHARED else flags |= std.os.MAP.PRIVATE; + // Conforming applications must specify either MAP_PRIVATE or MAP_SHARED. + var flags = file_flags; - break :v flags; - }; + if (args.nextEat()) |opts| { + const sync = opts.get(ctx.ptr(), "sync") orelse JSC.JSValue.jsBoolean(false); + const shared = opts.get(ctx.ptr(), "shared") orelse JSC.JSValue.jsBoolean(true); + flags |= @as(u32, if (sync.toBoolean()) sync_flags else 0); + flags |= @as(u32, if (shared.toBoolean()) std.os.MAP.SHARED else std.os.MAP.PRIVATE); + } else { + flags |= std.os.MAP.SHARED; + } const map = switch (JSC.Node.Syscall.mmapFile(buf_z, flags)) { .result => |map| map, |