Upgrade libuv to the current master (again)

This is a reopening of the libuv-upgrade part of #8645. Hopefully this won't
cause random segfaults all over the place. The windows regression in testing
should also be fixed (it shouldn't build the whole compiler twice).

A notable difference from before is that gyp is now a git submodule instead of
always git-cloned at make time. This allows bundling for releases more easily.

Closes #8850

.gitmodules

@@ -4,5 +4,8 @@
 	branch = master
 [submodule "src/libuv"]
 	path = src/libuv
-	url = https://github.com/brson/libuv.git
+	url = https://github.com/alexcrichton/libuv.git
 	branch = master
+[submodule "src/gyp"]
+	path = src/gyp
+	url = https://git.chromium.org/external/gyp.git

mk/dist.mk

@@ -12,7 +12,7 @@ PKG_ICO = $(S)src/etc/pkg/rust-logo.ico
 PKG_EXE = $(PKG_DIR)-install.exe
 endif
 
-PKG_GITMODULES := $(S)src/libuv $(S)src/llvm
+PKG_GITMODULES := $(S)src/libuv $(S)src/llvm $(S)src/gyp
 
 PKG_FILES := \
     $(S)COPYRIGHT                              \

mk/rt.mk

@@ -170,36 +170,51 @@ LIBUV_DEPS := $$(wildcard \
               $$(S)src/libuv/*/*/*/*)
 endif
 
+LIBUV_MAKEFILE_$(1)_$(2) := $$(CFG_BUILD_DIR)$$(RT_BUILD_DIR_$(1)_$(2))/libuv/Makefile
+LIBUV_NO_LOAD = run-benchmarks.target.mk run-tests.target.mk \
+		uv_dtrace_header.target.mk uv_dtrace_provider.target.mk
+
+export PYTHONPATH := $(PYTHONPATH):$$(S)src/gyp/pylib
+
+$$(LIBUV_MAKEFILE_$(1)_$(2)):
+	(cd $(S)src/libuv/ && \
+	 ./gyp_uv -f make -Dtarget_arch=$$(LIBUV_ARCH_$(1)) -D ninja \
+	   -Goutput_dir=$$(@D) --generator-output $$(@D))
+
 # XXX: Shouldn't need platform-specific conditions here
 ifdef CFG_WINDOWSY_$(1)
 $$(LIBUV_LIB_$(1)_$(2)): $$(LIBUV_DEPS)
-	$$(Q)$$(MAKE) -C $$(S)src/libuv/ \
-		builddir_name="$$(CFG_BUILD_DIR)/$$(RT_BUILD_DIR_$(1)_$(2))/libuv" \
-		OS=mingw \
+	$$(Q)$$(MAKE) -C $$(S)src/libuv -f Makefile.mingw \
+		CFLAGS="$$(CFG_GCCISH_CFLAGS) $$(LIBUV_FLAGS_$$(HOST_$(1))) $$(SNAP_DEFINES)" \
+		AR="$$(AR_$(1))" \
 		V=$$(VERBOSE)
+	$$(Q)cp $$(S)src/libuv/libuv.a $$@
 else ifeq ($(OSTYPE_$(1)), linux-androideabi)
-$$(LIBUV_LIB_$(1)_$(2)): $$(LIBUV_DEPS)
-	$$(Q)$$(MAKE) -C $$(S)src/libuv/ \
+$$(LIBUV_LIB_$(1)_$(2)): $$(LIBUV_DEPS) $$(LIBUV_MAKEFILE_$(1)_$(2))
+	$$(Q)$$(MAKE) -C $$(@D) \
 		CFLAGS="$$(CFG_GCCISH_CFLAGS) $$(LIBUV_FLAGS_$$(HOST_$(1))) $$(SNAP_DEFINES)" \
 		LDFLAGS="$$(CFG_GCCISH_LINK_FLAGS) $$(LIBUV_FLAGS_$$(HOST_$(1)))" \
 		CC="$$(CC_$(1))" \
 		CXX="$$(CXX_$(1))" \
 	 	LINK="$$(CXX_$(1))" \
 		AR="$$(AR_$(1))" \
 		PLATFORM=android \
-		BUILDTYPE=Release \
-		builddir_name="$$(CFG_BUILD_DIR)/$$(RT_BUILD_DIR_$(1)_$(2))/libuv" \
 		host=android OS=linux \
+		builddir="." \
+		BUILDTYPE=Release \
+		NO_LOAD="$$(LIBUV_NO_LOAD)" \
 		V=$$(VERBOSE)
 else
-$$(LIBUV_LIB_$(1)_$(2)): $$(LIBUV_DEPS)
-	$$(Q)$$(MAKE) -C $$(S)src/libuv/ \
+$$(LIBUV_LIB_$(1)_$(2)): $$(LIBUV_DEPS) $$(LIBUV_MAKEFILE_$(1)_$(2))
+	$$(Q)$$(MAKE) -C $$(@D) \
 		CFLAGS="$$(CFG_GCCISH_CFLAGS) $$(LIBUV_FLAGS_$$(HOST_$(1))) $$(SNAP_DEFINES)" \
 		LDFLAGS="$$(CFG_GCCISH_LINK_FLAGS) $$(LIBUV_FLAGS_$$(HOST_$(1)))" \
 		CC="$$(CC_$(1))" \
 		CXX="$$(CXX_$(1))" \
 		AR="$$(AR_$(1))" \
-		builddir_name="$$(CFG_BUILD_DIR)/$$(RT_BUILD_DIR_$(1)_$(2))/libuv" \
+		builddir="." \
+		BUILDTYPE=Release \
+		NO_LOAD="$$(LIBUV_NO_LOAD)" \
 		V=$$(VERBOSE)
 endif
 

src/libstd/rt/io/net/tcp.rs

@@ -182,7 +182,7 @@ mod test {
         do run_in_newsched_task {
             let mut called = false;
             do io_error::cond.trap(|e| {
-                assert!(e.kind == ConnectionRefused);
+                assert_eq!(e.kind, ConnectionRefused);
                 called = true;
             }).inside {
                 let addr = SocketAddr { ip: Ipv4Addr(0, 0, 0, 0), port: 1 };

src/libstd/rt/uv/addrinfo.rs

@@ -17,7 +17,7 @@ use ptr::null;
 use rt::uv::uvll;
 use rt::uv::uvll::UV_GETADDRINFO;
 use rt::uv::{Loop, UvError, NativeHandle};
-use rt::uv::status_to_maybe_uv_error_with_loop;
+use rt::uv::status_to_maybe_uv_error;
 use rt::uv::net::UvAddrInfo;
 
 type GetAddrInfoCallback = ~fn(GetAddrInfoRequest, &UvAddrInfo, Option<UvError>);
@@ -90,8 +90,7 @@ impl GetAddrInfoRequest {
                                      status: c_int,
                                      res: *uvll::addrinfo) {
             let mut req: GetAddrInfoRequest = NativeHandle::from_native_handle(req);
-            let loop_ = req.get_loop();
-            let err = status_to_maybe_uv_error_with_loop(loop_.native_handle(), status);
+            let err = status_to_maybe_uv_error(status);
             let addrinfo = UvAddrInfo(res);
             let data = req.get_req_data();
             (*data.getaddrinfo_cb.get_ref())(req, &addrinfo, err);

src/libstd/rt/uv/async.rs

@@ -34,7 +34,7 @@ impl AsyncWatcher {
 
         extern fn async_cb(handle: *uvll::uv_async_t, status: c_int) {
             let mut watcher: AsyncWatcher = NativeHandle::from_native_handle(handle);
-            let status = status_to_maybe_uv_error(watcher, status);
+            let status = status_to_maybe_uv_error(status);
             let data = watcher.get_watcher_data();
             let cb = data.async_cb.get_ref();
             (*cb)(watcher, status);

src/libstd/rt/uv/file.rs

@@ -12,7 +12,7 @@ use prelude::*;
 use ptr::null;
 use libc::c_void;
 use rt::uv::{Request, NativeHandle, Loop, FsCallback, Buf,
-             status_to_maybe_uv_error_with_loop, UvError};
+             status_to_maybe_uv_error, UvError};
 use rt::uv::uvll;
 use rt::uv::uvll::*;
 use super::super::io::support::PathLike;
@@ -62,7 +62,7 @@ impl FsRequest {
     pub fn open_sync<P: PathLike>(loop_: &Loop, path: &P, flags: int, mode: int)
           -> Result<int, UvError> {
         let result = FsRequest::open_common(loop_, path, flags, mode, None);
-        sync_cleanup(loop_, result)
+        sync_cleanup(result)
     }
 
     fn unlink_common<P: PathLike>(loop_: &Loop, path: &P, cb: Option<FsCallback>) -> int {
@@ -83,11 +83,11 @@ impl FsRequest {
     }
     pub fn unlink<P: PathLike>(loop_: &Loop, path: &P, cb: FsCallback) {
         let result = FsRequest::unlink_common(loop_, path, Some(cb));
-        sync_cleanup(loop_, result);
+        sync_cleanup(result);
     }
     pub fn unlink_sync<P: PathLike>(loop_: &Loop, path: &P) -> Result<int, UvError> {
         let result = FsRequest::unlink_common(loop_, path, None);
-        sync_cleanup(loop_, result)
+        sync_cleanup(result)
     }
 
     pub fn install_req_data(&self, cb: Option<FsCallback>) {
@@ -140,9 +140,9 @@ impl NativeHandle<*uvll::uv_fs_t> for FsRequest {
     }
 }
 
-fn sync_cleanup(loop_: &Loop, result: int)
+fn sync_cleanup(result: int)
     -> Result<int, UvError> {
-    match status_to_maybe_uv_error_with_loop(loop_.native_handle(), result as i32) {
+    match status_to_maybe_uv_error(result as i32) {
         Some(err) => Err(err),
         None => Ok(result)
     }
@@ -186,7 +186,7 @@ impl FileDescriptor {
     pub fn write_sync(&mut self, loop_: &Loop, buf: Buf, offset: i64)
           -> Result<int, UvError> {
         let result = self.write_common(loop_, buf, offset, None);
-        sync_cleanup(loop_, result)
+        sync_cleanup(result)
     }
 
     fn read_common(&mut self, loop_: &Loop, buf: Buf,
@@ -214,7 +214,7 @@ impl FileDescriptor {
     pub fn read_sync(&mut self, loop_: &Loop, buf: Buf, offset: i64)
           -> Result<int, UvError> {
         let result = self.read_common(loop_, buf, offset, None);
-        sync_cleanup(loop_, result)
+        sync_cleanup(result)
     }
 
     fn close_common(self, loop_: &Loop, cb: Option<FsCallback>) -> int {
@@ -236,12 +236,11 @@ impl FileDescriptor {
     }
     pub fn close_sync(self, loop_: &Loop) -> Result<int, UvError> {
         let result = self.close_common(loop_, None);
-        sync_cleanup(loop_, result)
+        sync_cleanup(result)
     }
 }
 extern fn compl_cb(req: *uv_fs_t) {
     let mut req: FsRequest = NativeHandle::from_native_handle(req);
-    let loop_ = req.get_loop();
     // pull the user cb out of the req data
     let cb = {
         let data = req.get_req_data();
@@ -252,8 +251,7 @@ extern fn compl_cb(req: *uv_fs_t) {
     // in uv_fs_open calls, the result will be the fd in the
     // case of success, otherwise it's -1 indicating an error
     let result = req.get_result();
-    let status = status_to_maybe_uv_error_with_loop(
-        loop_.native_handle(), result);
+    let status = status_to_maybe_uv_error(result);
     // we have a req and status, call the user cb..
     // only giving the user a ref to the FsRequest, as we
     // have to clean it up, afterwards (and they aren't really

src/libstd/rt/uv/idle.rs

@@ -43,7 +43,7 @@ impl IdleWatcher {
             let mut idle_watcher: IdleWatcher = NativeHandle::from_native_handle(handle);
             let data = idle_watcher.get_watcher_data();
             let cb: &IdleCallback = data.idle_cb.get_ref();
-            let status = status_to_maybe_uv_error(idle_watcher, status);
+            let status = status_to_maybe_uv_error(status);
             (*cb)(idle_watcher, status);
         }
     }
@@ -57,7 +57,7 @@ impl IdleWatcher {
             let mut idle_watcher: IdleWatcher = NativeHandle::from_native_handle(handle);
             let data = idle_watcher.get_watcher_data();
             let cb: &IdleCallback = data.idle_cb.get_ref();
-            let status = status_to_maybe_uv_error(idle_watcher, status);
+            let status = status_to_maybe_uv_error(status);
             (*cb)(idle_watcher, status);
         }
     }

src/libstd/rt/uv/mod.rs

@@ -204,12 +204,12 @@ impl<H, W: Watcher + NativeHandle<*H>> WatcherInterop for W {
 // XXX: Need to define the error constants like EOF so they can be
 // compared to the UvError type
 
-pub struct UvError(uvll::uv_err_t);
+pub struct UvError(c_int);
 
 impl UvError {
     pub fn name(&self) -> ~str {
         unsafe {
-            let inner = match self { &UvError(ref a) => a };
+            let inner = match self { &UvError(a) => a };
             let name_str = uvll::err_name(inner);
             assert!(name_str.is_not_null());
             from_c_str(name_str)
@@ -218,15 +218,15 @@ impl UvError {
 
     pub fn desc(&self) -> ~str {
         unsafe {
-            let inner = match self { &UvError(ref a) => a };
+            let inner = match self { &UvError(a) => a };
             let desc_str = uvll::strerror(inner);
             assert!(desc_str.is_not_null());
             from_c_str(desc_str)
         }
     }
 
     pub fn is_eof(&self) -> bool {
-        self.code == uvll::EOF
+        **self == uvll::EOF
     }
 }
 
@@ -238,38 +238,30 @@ impl ToStr for UvError {
 
 #[test]
 fn error_smoke_test() {
-    let err = uvll::uv_err_t { code: 1, sys_errno_: 1 };
-    let err: UvError = UvError(err);
+    let err: UvError = UvError(uvll::EOF);
     assert_eq!(err.to_str(), ~"EOF: end of file");
 }
 
-pub fn last_uv_error<H, W: Watcher + NativeHandle<*H>>(watcher: &W) -> UvError {
-    unsafe {
-        let loop_ = watcher.event_loop();
-        UvError(uvll::last_error(loop_.native_handle()))
-    }
-}
-
 pub fn uv_error_to_io_error(uverr: UvError) -> IoError {
     unsafe {
         // Importing error constants
         use rt::uv::uvll::*;
         use rt::io::*;
 
         // uv error descriptions are static
-        let c_desc = uvll::strerror(&*uverr);
+        let c_desc = uvll::strerror(*uverr);
         let desc = str::raw::c_str_to_static_slice(c_desc);
 
-        let kind = match uverr.code {
+        let kind = match *uverr {
             UNKNOWN => OtherIoError,
             OK => OtherIoError,
             EOF => EndOfFile,
             EACCES => PermissionDenied,
             ECONNREFUSED => ConnectionRefused,
             ECONNRESET => ConnectionReset,
             EPIPE => BrokenPipe,
-            _ => {
-                rtdebug!("uverr.code %u", uverr.code as uint);
+            err => {
+                rtdebug!("uverr.code %d", err as int);
                 // XXX: Need to map remaining uv error types
                 OtherIoError
             }
@@ -284,30 +276,12 @@ pub fn uv_error_to_io_error(uverr: UvError) -> IoError {
 }
 
 /// Given a uv handle, convert a callback status to a UvError
-pub fn status_to_maybe_uv_error_with_loop(
-    loop_: *uvll::uv_loop_t,
-    status: c_int) -> Option<UvError> {
-    if status != -1 {
+pub fn status_to_maybe_uv_error(status: c_int) -> Option<UvError>
+{
+    if status >= 0 {
         None
     } else {
-        unsafe {
-            rtdebug!("loop: %x", loop_ as uint);
-            let err = uvll::last_error(loop_);
-            Some(UvError(err))
-        }
-    }
-}
-/// Given a uv handle, convert a callback status to a UvError
-pub fn status_to_maybe_uv_error<T, U: Watcher + NativeHandle<*T>>(handle: U,
-                                                                 status: c_int) -> Option<UvError> {
-    if status != -1 {
-        None
-    } else {
-        unsafe {
-            rtdebug!("handle: %x", handle.native_handle() as uint);
-            let loop_ = uvll::get_loop_for_uv_handle(handle.native_handle());
-            status_to_maybe_uv_error_with_loop(loop_, status)
-        }
+        Some(UvError(status))
     }
 }