Merge pull request #657 from hackerchai/fix/c-libuv-missing-func

feat(c/libuv): Add libuv missing funcs & refactor go func style

c/libuv/_demo/async_fs/async_fs.go

@@ -31,7 +31,7 @@ func main() {
 	libuv.FsOpen(loop, &openReq, c.Str("example.txt"), os.O_RDONLY, 0, onOpen)
 
 	// Run the loop
-	result := libuv.Run(loop, libuv.RUN_DEFAULT)
+	result := loop.Run(libuv.RUN_DEFAULT)
 
 	if result != 0 {
 		c.Fprintf(c.Stderr, c.Str("Error in Run: %s\n"), libuv.Strerror(libuv.Errno(result)))
@@ -43,14 +43,14 @@ func main() {
 
 func onOpen(req *libuv.Fs) {
 	// Check for errors
-	if libuv.FsGetResult(req) < 0 {
-		c.Fprintf(c.Stderr, c.Str("Error opening file: %s\n"), libuv.Strerror(libuv.Errno(libuv.FsGetResult(req))))
-		libuv.LoopClose(loop)
+	if req.GetResult() < 0 {
+		c.Fprintf(c.Stderr, c.Str("Error opening file: %s\n"), libuv.Strerror(libuv.Errno(req.GetResult())))
+		loop.Close()
 		return
 	}
 
 	// Store the file descriptor
-	file = libuv.File(libuv.FsGetResult(req))
+	file = libuv.File(req.GetResult())
 
 	// Init buffer
 	iov = libuv.InitBuf((*c.Char)(unsafe.Pointer(&buffer[0])), c.Uint(unsafe.Sizeof(buffer)))
@@ -68,28 +68,28 @@ func readFile() {
 	readRes := libuv.FsRead(loop, &readReq, file, &iov, 1, -1, onRead)
 	if readRes != 0 {
 		c.Printf(c.Str("Error in FsRead: %s (code: %d)\n"), libuv.Strerror(libuv.Errno(readRes)), readRes)
-		libuv.FsReqCleanup(&readReq)
-		libuv.LoopClose(loop)
+		readReq.ReqCleanup()
+		loop.Close()
 	}
 }
 
 func onRead(req *libuv.Fs) {
 	// Cleanup the request
-	defer libuv.FsReqCleanup(req)
+	defer req.ReqCleanup()
 	// Check for errors
-	if libuv.FsGetResult(req) < 0 {
-		c.Fprintf(c.Stderr, c.Str("Read error: %s\n"), libuv.Strerror(libuv.Errno(libuv.FsGetResult(req))))
-	} else if libuv.FsGetResult(req) == 0 {
+	if req.GetResult() < 0 {
+		c.Fprintf(c.Stderr, c.Str("Read error: %s\n"), libuv.Strerror(libuv.Errno(req.GetResult())))
+	} else if req.GetResult() == 0 {
 		// Close the file
-		closeRes := libuv.FsClose(loop, &closeReq, libuv.File(libuv.FsGetResult(&openReq)), onClose)
+		closeRes := libuv.FsClose(loop, &closeReq, libuv.File(openReq.GetResult()), onClose)
 		if closeRes != 0 {
 			c.Printf(c.Str("Error in FsClose: %s (code: %d)\n"), libuv.Strerror(libuv.Errno(closeRes)), closeRes)
-			libuv.LoopClose(loop)
+			loop.Close()
 			return
 		}
 	} else {
-		c.Printf(c.Str("Read %d bytes\n"), libuv.FsGetResult(req))
-		c.Printf(c.Str("Read content: %.*s\n"), libuv.FsGetResult(req), (*c.Char)(unsafe.Pointer(&buffer[0])))
+		c.Printf(c.Str("Read %d bytes\n"), req.GetResult())
+		c.Printf(c.Str("Read content: %.*s\n"), req.GetResult(), (*c.Char)(unsafe.Pointer(&buffer[0])))
 		// Read the file again
 		readFile()
 	}
@@ -97,8 +97,8 @@ func onRead(req *libuv.Fs) {
 
 func onClose(req *libuv.Fs) {
 	// Check for errors
-	if libuv.FsGetResult(req) < 0 {
-		c.Fprintf(c.Stderr, c.Str("Error closing file: %s\n"), libuv.Strerror(libuv.Errno(libuv.FsGetResult(req))))
+	if req.GetResult() < 0 {
+		c.Fprintf(c.Stderr, c.Str("Error closing file: %s\n"), libuv.Strerror(libuv.Errno(req.GetResult())))
 	} else {
 		c.Printf(c.Str("\nFile closed successfully.\n"))
 	}
@@ -106,10 +106,10 @@ func onClose(req *libuv.Fs) {
 
 func cleanup() {
 	// Cleanup the requests
-	libuv.FsReqCleanup(&openReq)
-	libuv.FsReqCleanup(&closeReq)
+	openReq.ReqCleanup()
+	closeReq.ReqCleanup()
 	// Close the loop
-	result := libuv.LoopClose(loop)
+	result := loop.Close()
 	if result != 0 {
 		c.Fprintf(c.Stderr, c.Str("Error in LoopClose: %s\n"), libuv.Strerror(libuv.Errno(result)))
 	}

c/libuv/_demo/echo_server/echo_server.go

@@ -31,14 +31,14 @@ func main() {
 
 	// Bind the server to the specified address and port
 	(&server).Bind((*net.SockAddr)(c.Pointer(&addr)), 0)
-	res := (*libuv.Stream)(&server).Listen(DEFAULT_BACKLOG, OnNewConnection)
+	res := (*libuv.Stream)(unsafe.Pointer(&server)).Listen(DEFAULT_BACKLOG, OnNewConnection)
 	if res != 0 {
-		c.Fprintf(c.Stderr, c.Str("Listen error: %s\n"), libuv.Strerror((libuv.Errno(res))))
+		c.Fprintf(c.Stderr, c.Str("Listen error: %s\n"), libuv.Strerror(libuv.Errno(res)))
 		return
 	}
 
 	// Start listening for incoming connections
-	libuv.Run(loop, libuv.RUN_DEFAULT)
+	loop.Run(libuv.RUN_DEFAULT)
 }
 
 func FreeWriteReq(req *libuv.Write) {
@@ -56,7 +56,7 @@ func AllocBuffer(handle *libuv.Handle, suggestedSize uintptr, buf *libuv.Buf) {
 
 func EchoWrite(req *libuv.Write, status c.Int) {
 	if status != 0 {
-		c.Fprintf(c.Stderr, c.Str("Write error: %s\n"), libuv.Strerror((libuv.Errno(status))))
+		c.Fprintf(c.Stderr, c.Str("Write error: %s\n"), libuv.Strerror(libuv.Errno(status)))
 	}
 	FreeWriteReq(req)
 }
@@ -77,8 +77,8 @@ func EchoRead(client *libuv.Stream, nread c.Long, buf *libuv.Buf) {
 	}
 	if nread < 0 {
 		// Handle read errors and EOF.
-		if (libuv.Errno)(nread) != libuv.EOF {
-			c.Fprintf(c.Stderr, c.Str("Read error: %s\n"), libuv.Strerror((libuv.Errno)(nread)))
+		if libuv.Errno(nread) != libuv.EOF {
+			c.Fprintf(c.Stderr, c.Str("Read error: %s\n"), libuv.Strerror(libuv.Errno(nread)))
 		}
 		(*libuv.Handle)(c.Pointer(client)).Close(nil)
 	}
@@ -110,9 +110,9 @@ func OnNewConnection(server *libuv.Stream, status c.Int) {
 	}
 
 	// Accept the new connection and start reading data.
-	if server.Accept((*libuv.Stream)(client)) == 0 {
-		(*libuv.Stream)(client).StartRead(AllocBuffer, EchoRead)
+	if server.Accept((*libuv.Stream)(unsafe.Pointer(client))) == 0 {
+		(*libuv.Stream)(unsafe.Pointer(client)).StartRead(AllocBuffer, EchoRead)
 	} else {
-		(*libuv.Handle)(c.Pointer(client)).Close(nil)
+		(*libuv.Handle)(unsafe.Pointer(client)).Close(nil)
 	}
 }

c/libuv/_wrap/libuv.c

@@ -0,0 +1,5 @@
+#include <uv.h>
+
+int uv_tcp_get_io_watcher_fd (uv_tcp_t* handle) {
+  return handle->io_watcher.fd;
+}

c/libuv/fs.go

@@ -106,29 +106,40 @@ type FsPollCb func(handle *FsPoll, status c.Int, events c.Int)
 
 /* Fs related function and method */
 
-//go:linkname FsGetType C.uv_fs_get_type
-func FsGetType(req *Fs) FsType
+// llgo:link (*Fs).GetType C.uv_fs_get_type
+func (req *Fs) GetType() FsType {
+	return 0
+}
 
-//go:linkname FsGetPath C.uv_fs_get_path
-func FsGetPath(req *Fs) *c.Char
+// llgo:link (*Fs).GetPath C.uv_fs_get_path
+func (req *Fs) GetPath() *c.Char {
+	return nil
+}
 
-//go:linkname FsGetResult C.uv_fs_get_result
-func FsGetResult(req *Fs) c.Int
+// llgo:link (*Fs).GetResult C.uv_fs_get_result
+func (req *Fs) GetResult() c.Int {
+	return 0
+}
 
-//go:linkname FsGetPtr C.uv_fs_get_ptr
-func FsGetPtr(req *Fs) c.Pointer
+// llgo:link (*Fs).GetPtr C.uv_fs_get_ptr
+func (req *Fs) GetPtr() c.Pointer {
+	return nil
+}
 
-//go:linkname FsGetSystemError C.uv_fs_get_system_error
-func FsGetSystemError(req *Fs) c.Int
+// llgo:link (*Fs).GetSystemError C.uv_fs_get_system_error
+func (req *Fs) GetSystemError() c.Int {
+	return 0
+}
 
-//go:linkname FsGetStatBuf C.uv_fs_get_statbuf
-func FsGetStatBuf(req *Fs) *Stat
+// llgo:link (*Fs).GetStatBuf C.uv_fs_get_statbuf
+func (req *Fs) GetStatBuf() *Stat {
+	return nil
+}
 
-//go:linkname FsReqCleanup C.uv_fs_req_cleanup
-func FsReqCleanup(req *Fs)
-
-//go:linkname DefaultLoop C.uv_default_loop
-func DefaultLoop() *Loop
+// llgo:link (*Fs).ReqCleanup C.uv_fs_req_cleanup
+func (req *Fs) ReqCleanup() {
+	// No return value needed for this method
+}
 
 //go:linkname FsOpen C.uv_fs_open
 func FsOpen(loop *Loop, req *Fs, path *c.Char, flags c.Int, mode c.Int, cb FsCb) c.Int
@@ -241,32 +252,56 @@ func FsLchown(loop *Loop, req *Fs, path *c.Char, uid c.Int, gid c.Int, cb FsCb)
 //go:linkname FsLstat C.uv_fs_lstat
 func FsLstat(loop *Loop, req *Fs, path *c.Char, cb FsCb) c.Int
 
+// ----------------------------------------------
+
+/* FsEvent related function and method */
+
 //go:linkname FsEventInit C.uv_fs_event_init
 func FsEventInit(loop *Loop, handle *FsEvent) c.Int
 
-//go:linkname FsEventStart C.uv_fs_event_start
-func FsEventStart(handle *FsEvent, cb FsEventCb, path *c.Char, flags c.Int) c.Int
+// llgo:link (*FsEvent).Start C.uv_fs_event_start
+func (handle *FsEvent) Start(cb FsEventCb, path *c.Char, flags c.Int) c.Int {
+	return 0
+}
 
-//go:linkname FsEventStop C.uv_fs_event_stop
-func FsEventStop(handle *FsEvent) c.Int
+// llgo:link (*FsEvent).Stop C.uv_fs_event_stop
+func (handle *FsEvent) Stop() c.Int {
+	return 0
+}
 
-//go:linkname FsEventClose C.uv_fs_event_close
-func FsEventClose(handle *FsEvent) c.Int
+// llgo:link (*FsEvent).Close C.uv_fs_event_close
+func (handle *FsEvent) Close() c.Int {
+	return 0
+}
 
-//go:linkname FsEventGetpath C.uv_fs_event_getpath
-func FsEventGetpath(handle *FsEvent) *c.Char
+// llgo:link (*FsEvent).Getpath C.uv_fs_event_getpath
+func (handle *FsEvent) Getpath() *c.Char {
+	return nil
+}
+
+// ----------------------------------------------
+
+/* FsPoll related function and method */
 
 //go:linkname FsPollInit C.uv_fs_poll_init
 func FsPollInit(loop *Loop, handle *FsPoll) c.Int
 
-//go:linkname FsPollStart C.uv_fs_poll_start
-func FsPollStart(handle *FsPoll, cb FsPollCb, path *c.Char, interval uint) c.Int
+// llgo:link (*FsPoll).Start C.uv_fs_poll_start
+func (handle *FsPoll) Start(cb FsPollCb, path *c.Char, interval uint) c.Int {
+	return 0
+}
 
-//go:linkname FsPollStop C.uv_fs_poll_stop
-func FsPollStop(handle *FsPoll) c.Int
+// llgo:link (*FsPoll).Stop C.uv_fs_poll_stop
+func (handle *FsPoll) Stop() c.Int {
+	return 0
+}
 
-//go:linkname FsPollClose C.uv_fs_poll_close
-func FsPollClose(handle *FsPoll) c.Int
+// llgo:link (*FsPoll).Close C.uv_fs_poll_close
+func (handle *FsPoll) Close() c.Int {
+	return 0
+}
 
-//go:linkname FsPollGetPath C.uv_fs_poll_getpath
-func FsPollGetPath(handle *FsPoll) *c.Char
+// llgo:link (*FsPoll).GetPath C.uv_fs_poll_getpath
+func (handle *FsPoll) GetPath() *c.Char {
+	return nil
+}

c/libuv/libuv.go

@@ -9,6 +9,7 @@ import (
 
 const (
 	LLGoPackage = "link: $(pkg-config --libs libuv); -luv"
+	LLGoFiles   = "$(pkg-config --cflags libuv): _wrap/libuv.c"
 )
 
 // ----------------------------------------------
@@ -103,10 +104,6 @@ type Poll struct {
 
 /* Request types. */
 
-type Shutdown struct {
-	Unused [0]byte
-}
-
 type Buf struct {
 	Base *c.Char
 	Len  uintptr
@@ -135,9 +132,6 @@ type GetaddrinfoCb func(req *GetAddrInfo, status c.Int, res *net.AddrInfo)
 // llgo:type C
 type GetnameinfoCb func(req *GetNameInfo, status c.Int, hostname *c.Char, service *c.Char)
 
-// llgo:type C
-type ShutdownCb func(req *Shutdown, status c.Int)
-
 // llgo:type C
 type WalkCb func(handle *Handle, arg c.Pointer)
 
@@ -160,59 +154,83 @@ func ReplaceAllocator(mallocFunc MallocFunc, reallocFunc ReallocFunc, callocFunc
 
 // ----------------------------------------------
 
-// llgo:link (*Shutdown).Shutdown C.uv_shutdown
-func (shutdown *Shutdown) Shutdown(stream *Stream, shutdownCb ShutdownCb) c.Int {
-	return 0
-}
-
-// ----------------------------------------------
-
 /* Loop related functions and method. */
 
+//go:linkname DefaultLoop C.uv_default_loop
+func DefaultLoop() *Loop
+
 //go:linkname LoopSize C.uv_loop_size
 func LoopSize() uintptr
 
-//go:linkname Run C.uv_run
-func Run(loop *Loop, mode RunMode) c.Int
+// llgo:link (*Loop).Run C.uv_run
+func (loop *Loop) Run(mode RunMode) c.Int {
+	return 0
+}
 
-//go:linkname LoopAlive C.uv_loop_alive
-func LoopAlive(loop *Loop) c.Int
+// llgo:link (*Loop).Alive C.uv_loop_alive
+func (loop *Loop) Alive() c.Int {
+	return 0
+}
 
-//go:linkname LoopClose C.uv_loop_close
-func LoopClose(loop *Loop) c.Int
+// llgo:link (*Loop).Close C.uv_loop_close
+func (loop *Loop) Close() c.Int {
+	return 0
+}
 
-//go:linkname LoopConfigure C.uv_loop_configure
-func LoopConfigure(loop *Loop, option LoopOption, arg c.Int) c.Int
+// llgo:link (*Loop).Configure C.uv_loop_configure
+func (loop *Loop) Configure(option LoopOption, arg c.Int) c.Int {
+	return 0
+}
 
-//go:linkname LoopDefault C.uv_default_loop
-func LoopDefault() *Loop
+// llgo:link LoopDefault C.uv_default_loop
+func LoopDefault() *Loop {
+	return nil
+}
 
-//go:linkname LoopDelete C.uv_loop_delete
-func LoopDelete(loop *Loop) c.Int
+// llgo:link (*Loop).Delete C.uv_loop_delete
+func (loop *Loop) Delete() c.Int {
+	return 0
+}
 
-//go:linkname LoopFork C.uv_loop_fork
-func LoopFork(loop *Loop) c.Int
+// llgo:link (*Loop).Fork C.uv_loop_fork
+func (loop *Loop) Fork() c.Int {
+	return 0
+}
 
-//go:linkname LoopInit C.uv_loop_init
-func LoopInit(loop *Loop) c.Int
+// llgo:link (*Loop).Init C.uv_loop_init
+func (loop *Loop) Init() c.Int {
+	return 0
+}
 
-//go:linkname LoopNew C.uv_loop_new
-func LoopNew() *Loop
+// llgo:link LoopNew C.uv_loop_new
+func LoopNew() *Loop {
+	return nil
+}
 
-//go:linkname LoopNow C.uv_now
-func LoopNow(loop *Loop) c.UlongLong
+// llgo:link (*Loop).Now C.uv_now
+func (loop *Loop) Now() c.UlongLong {
+	return 0
+}
 
-//go:linkname LoopUpdateTime C.uv_update_time
-func LoopUpdateTime(loop *Loop)
+// llgo:link (*Loop).UpdateTime C.uv_update_time
+func (loop *Loop) UpdateTime() {
+	// No return value needed for this method
+}
 
-//go:linkname LoopBackendFd C.uv_backend_fd
-func LoopBackendFd(loop *Loop) c.Int
+// llgo:link (*Loop).BackendFd C.uv_backend_fd
+func (loop *Loop) BackendFd() c.Int {
+	return 0
+}
 
-//go:linkname LoopBackendTimeout C.uv_backend_timeout
-func LoopBackendTimeout(loop *Loop) c.Int
+// llgo:link (*Loop).BackendTimeout C.uv_backend_timeout
+func (loop *Loop) BackendTimeout() c.Int {
+	return 0
+}
 
-//go:linkname LoopWalk C.uv_walk
-func LoopWalk(loop *Loop, walkCb WalkCb, arg c.Pointer)
+// llgo:link (*Loop).Walk C.uv_walk
+func (loop *Loop) Walk(walkCb WalkCb, arg c.Pointer) {
+	// No return value needed for this method
+}
 
 // ----------------------------------------------
 
@@ -228,11 +246,15 @@ func InitBuf(base *c.Char, len c.Uint) Buf
 //go:linkname PollInit C.uv_poll_init
 func PollInit(loop *Loop, handle *Poll, fd OsFd) c.Int
 
-//go:linkname PollStart C.uv_poll_start
-func PollStart(handle *Poll, events c.Int, cb PollCb) c.Int
-
-//go:linkname PollStop C.uv_poll_stop
-func PollStop(handle *Poll) c.Int
-
 //go:linkname PollInitSocket C.uv_poll_init_socket
 func PollInitSocket(loop *Loop, handle *Poll, socket c.Int) c.Int
+
+// llgo:link (*Poll).Start C.uv_poll_start
+func (handle *Poll) Start(events c.Int, cb PollCb) c.Int {
+	return 0
+}
+
+// llgo:link (*Poll).Stop C.uv_poll_stop
+func (handle *Poll) Stop() c.Int {
+	return 0
+}

c/libuv/net.go

@@ -117,6 +117,10 @@ type GetNameInfo struct {
 	Unused [0]byte
 }
 
+type Shutdown struct {
+	Unused [0]byte
+}
+
 // ----------------------------------------------
 
 /* Function type */
@@ -142,10 +146,19 @@ type WriteCb func(req *Write, status c.Int)
 // llgo:type C
 type ConnectionCb func(server *Stream, status c.Int)
 
+// llgo:type C
+type ShutdownCb func(req *Shutdown, status c.Int)
+
 // ----------------------------------------------
 
 /* Handle related function and method */
 
+//go:linkname HandleSize C.uv_handle_size
+func HandleSize(handleType HandleType) uintptr
+
+//go:linkname HandleTypeName C.uv_handle_type_name
+func HandleTypeName(handleType HandleType) *c.Char
+
 // llgo:link (*Handle).Ref C.uv_ref
 func (handle *Handle) Ref() {}
 
@@ -157,17 +170,11 @@ func (handle *Handle) HasRef() c.Int {
 	return 0
 }
 
-//go:linkname HandleSize C.uv_handle_size
-func HandleSize(handleType HandleType) uintptr
-
 // llgo:link (*Handle).GetType C.uv_handle_get_type
 func (handle *Handle) GetType() HandleType {
 	return 0
 }
 
-//go:linkname HandleTypeName C.uv_handle_type_name
-func HandleTypeName(handleType HandleType) *c.Char
-
 // llgo:link (*Handle).GetData C.uv_handle_get_data
 func (handle *Handle) GetData() c.Pointer {
 	return nil
@@ -204,6 +211,21 @@ func (handle *Handle) Fileno(fd *OsFd) c.Int {
 	return 0
 }
 
+// llgo:link (*Handle).IsClosing C.uv_is_closing
+func (handle *Handle) IsClosing() c.Int {
+	return 0
+}
+
+// llgo:link (*Handle).IsReadable C.uv_is_readable
+func (handle *Handle) IsReadable() c.Int {
+	return 0
+}
+
+// llgo:link (*Handle).IsWritable C.uv_is_writable
+func (handle *Handle) IsWritable() c.Int {
+	return 0
+}
+
 //go:linkname Pipe C.uv_pipe
 func Pipe(fds [2]File, readFlags c.Int, writeFlags c.Int) c.Int {
 	return 0
@@ -214,11 +236,6 @@ func Socketpair(_type c.Int, protocol c.Int, socketVector [2]OsSock, flag0 c.Int
 	return 0
 }
 
-// llgo:link (*Handle).IsClosing C.uv_is_closing
-func (handle *Handle) IsClosing() c.Int {
-	return 0
-}
-
 // ----------------------------------------------
 
 /* Req related function and method */
@@ -226,6 +243,9 @@ func (handle *Handle) IsClosing() c.Int {
 //go:linkname ReqSize C.uv_req_size
 func ReqSize(reqType ReqType) uintptr
 
+//go:linkname TypeName C.uv_req_type_name
+func TypeName(reqType ReqType) *c.Char
+
 // llgo:link (*Req).GetData C.uv_req_get_data
 func (req *Req) GetData() c.Pointer {
 	return nil
@@ -239,9 +259,6 @@ func (req *Req) GetType() ReqType {
 	return 0
 }
 
-//go:linkname TypeName C.uv_req_type_name
-func TypeName(reqType ReqType) *c.Char
-
 // ----------------------------------------------
 
 /* Stream related function and method */
@@ -306,6 +323,11 @@ func (stream *Stream) SetBlocking(blocking c.Int) c.Int {
 	return 0
 }
 
+//go:linkname StreamShutdown C.uv_shutdown
+func StreamShutdown(shutdown *Shutdown, stream *Stream, shutdownCb ShutdownCb) c.Int {
+	return 0
+}
+
 // ----------------------------------------------
 
 /* Tcp related function and method */
@@ -356,6 +378,11 @@ func (tcp *Tcp) CloseReset(closeCb CloseCb) c.Int {
 	return 0
 }
 
+// llgo:link (*Tcp).GetIoWatcherFd C.uv_tcp_get_io_watcher_fd
+func (tcp *Tcp) GetIoWatcherFd() c.Int {
+	return 0
+}
+
 //go:linkname TcpConnect C.uv_tcp_connect
 func TcpConnect(req *Connect, tcp *Tcp, addr *net.SockAddr, connectCb ConnectCb) c.Int
 
@@ -429,9 +456,6 @@ func (udp *Udp) SetTTL(ttl c.Int) c.Int {
 	return 0
 }
 
-//go:linkname Send C.uv_udp_send
-func Send(req *UdpSend, udp *Udp, bufs *Buf, nbufs c.Uint, addr *net.SockAddr, sendCb UdpSendCb) c.Int
-
 // llgo:link (*Udp).TrySend C.uv_udp_try_send
 func (udp *Udp) TrySend(bufs *Buf, nbufs c.Uint, addr *net.SockAddr) c.Int {
 	return 0
@@ -462,8 +486,13 @@ func (udp *Udp) GetSendQueueCount() uintptr {
 	return 0
 }
 
+//go:linkname Send C.uv_udp_send
+func Send(req *UdpSend, udp *Udp, bufs *Buf, nbufs c.Uint, addr *net.SockAddr, sendCb UdpSendCb) c.Int
+
 // ----------------------------------------------
 
+/* DNS related function and method */
+
 //go:linkname Ip4Addr C.uv_ip4_addr
 func Ip4Addr(ip *c.Char, port c.Int, addr *net.SockaddrIn) c.Int
 

c/libuv/signal.go

@@ -26,8 +26,17 @@ type SignalCb func(handle *Signal, sigNum c.Int)
 //go:linkname SignalInit C.uv_signal_init
 func SignalInit(loop *Loop, handle *Signal) c.Int
 
-//go:linkname SignalStart C.uv_signal_start
-func SignalStart(handle *Signal, cb SignalCb, signum c.Int) c.Int
+// llgo:link (*Signal).Start C.uv_signal_start
+func (handle *Signal) Start(cb SignalCb, signum c.Int) c.Int {
+	return 0
+}
 
-//go:linkname SignalStartOneshot C.uv_signal_start_oneshot
-func SignalStartOneshot(handle *Signal, cb SignalCb, signum c.Int) c.Int
+// llgo:link (*Signal).StartOneshot C.uv_signal_start_oneshot
+func (handle *Signal) StartOneshot(cb SignalCb, signum c.Int) c.Int {
+	return 0
+}
+
+// llgo:link (*Signal).Stop C.uv_signal_stop
+func (handle *Signal) Stop() c.Int {
+	return 0
+}