Merge pull request #523 from spongehah/c/hyper_related

[feat] llgo/c/hyper-related c lib

c/net/net.go

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package socket
+package net
 
 import (
 	_ "unsafe"
@@ -101,7 +101,6 @@ type SockAddr struct {
 	Data   [14]c.Char
 }
 
-// (TODO) merge to netdb
 type Hostent struct {
 	Name     *c.Char  // official name of host
 	Aliases  **c.Char // null-terminated array of alternate names for the host
@@ -110,6 +109,17 @@ type Hostent struct {
 	AddrList **c.Char // null-terminated array of addresses for the host
 }
 
+type AddrInfo struct {
+	AiFlags     c.Int
+	AiFamily    c.Int
+	AiSockType  c.Int
+	AiProtocol  c.Int
+	AiAddrLen   c.Uint
+	AiCanOnName *c.Char
+	AiAddr      *SockAddr
+	AiNext      *AddrInfo
+}
+
 //go:linkname Socket C.socket
 func Socket(domain c.Int, typ c.Int, protocol c.Int) c.Int
 
@@ -125,8 +135,6 @@ func Listen(sockfd c.Int, backlog c.Int) c.Int
 //go:linkname Accept C.accept
 func Accept(sockfd c.Int, addr *SockaddrIn, addrlen *c.Uint) c.Int
 
-// (TODO) merge to netdb
-//
 //go:linkname GetHostByName C.gethostbyname
 func GetHostByName(name *c.Char) *Hostent
 
@@ -142,3 +150,18 @@ func SwapInt16(data uint16) uint16 {
 func Htons(x uint16) uint16 {
 	return SwapInt16(x)
 }
+
+//go:linkname InetAddr C.inet_addr
+func InetAddr(s *c.Char) c.Uint
+
+//go:linkname Send C.send
+func Send(c.Int, c.Pointer, uintptr, c.Int) c.Long
+
+//go:linkname Recv C.recv
+func Recv(c.Int, c.Pointer, uintptr, c.Int) c.Long
+
+//go:linkname Getaddrinfo C.getaddrinfo
+func Getaddrinfo(host *c.Char, port *c.Char, addrInfo *AddrInfo, result **AddrInfo) c.Int
+
+//go:linkname Freeaddrinfo C.freeaddrinfo
+func Freeaddrinfo(addrInfo *AddrInfo) c.Int

c/os/os.go

@@ -58,6 +58,10 @@ const (
 	O_TRUNC = 0x00000400
 )
 
+const (
+	EAGAIN = 35
+)
+
 type (
 	ModeT C.mode_t
 	UidT  C.uid_t

c/sys/_wrap/fddef.c

@@ -0,0 +1,13 @@
+#include <sys/types.h>
+
+int fd_isset(int n, fd_set *fd) {
+    return FD_ISSET(n, fd);
+}
+
+void fdSet(int n, fd_set *fd) {
+    FD_SET(n, fd);
+}
+
+void fd_zero(fd_set *fd) {
+    FD_ZERO(fd);
+}

c/sys/select.go

@@ -0,0 +1,31 @@
+package sys
+
+import (
+	"github.com/goplus/llgo/c/syscall"
+	_ "unsafe"
+
+	"github.com/goplus/llgo/c"
+)
+
+const (
+	LLGoFiles   = "_wrap/fddef.c"
+	LLGoPackage = "link"
+)
+
+// (TODO) merge to timeval
+type TimeVal struct {
+	TvSec  c.Long
+	TvUSec c.Int
+}
+
+//go:linkname FD_ZERO C.fd_zero
+func FD_ZERO(fdSet *syscall.FdSet)
+
+//go:linkname FD_SET C.fdSet
+func FD_SET(fd c.Int, fdSet *syscall.FdSet)
+
+//go:linkname FD_ISSET C.fd_isset
+func FD_ISSET(fd c.Int, fdSet *syscall.FdSet) c.Int
+
+//go:linkname Select C.select
+func Select(n c.Int, r *syscall.FdSet, w *syscall.FdSet, e *syscall.FdSet, timeout *TimeVal) c.Int