Merge branch 'freebsd-up' of https://github.com/myfreeweb/zig into freebsd2

std/c/freebsd.zig

@@ -0,0 +1,36 @@
+
+const timespec = @import("../os/freebsd/index.zig").timespec;
+
+extern "c" fn __error() *c_int;
+pub const _errno = __error;
+
+pub extern "c" fn kqueue() c_int;
+pub extern "c" fn kevent(
+    kq: c_int,
+    changelist: [*]const Kevent,
+    nchanges: c_int,
+    eventlist: [*]Kevent,
+    nevents: c_int,
+    timeout: ?*const timespec,
+) c_int;
+pub extern "c" fn sysctl(name: [*]c_int, namelen: c_uint, oldp: ?*c_void, oldlenp: ?*usize, newp: ?*c_void, newlen: usize) c_int;
+pub extern "c" fn sysctlbyname(name: [*]const u8, oldp: ?*c_void, oldlenp: ?*usize, newp: ?*c_void, newlen: usize) c_int;
+pub extern "c" fn sysctlnametomib(name: [*]const u8, mibp: ?*c_int, sizep: ?*usize) c_int;
+
+/// Renamed from `kevent` to `Kevent` to avoid conflict with function name.
+pub const Kevent = extern struct.{
+    ident: usize,
+    filter: i16,
+    flags: u16,
+    fflags: u32,
+    data: i64,
+    udata: usize,
+    // TODO ext
+};
+
+
+pub const pthread_attr_t = extern struct.{
+    __size: [56]u8,
+    __align: c_long,
+};
+

std/c/index.zig

@@ -5,6 +5,7 @@ pub use switch (builtin.os) {
     Os.linux => @import("linux.zig"),
     Os.windows => @import("windows.zig"),
     Os.macosx, Os.ios => @import("darwin.zig"),
+    Os.freebsd => @import("freebsd.zig"),
     else => empty_import,
 };
 const empty_import = @import("../empty.zig");