llgo/c/hyper-related c lib

c/fddef/_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/fddef/fddef.go

@@ -0,0 +1,24 @@
+package fddef
+
+import (
+	"github.com/goplus/llgo/c"
+	_ "unsafe"
+)
+
+const (
+	LLGoFiles   = "_wrap/fddef.c"
+	LLGoPackage = "link: c"
+)
+
+type FdSet struct {
+	Unused [8]byte
+}
+
+//go:linkname FdZero C.fd_zero
+func FdZero(fdSet *FdSet)
+
+//go:linkname Fdset C.fdSet
+func Fdset(fd c.Int, fdSet *FdSet)
+
+//go:linkname FdIsset C.fd_isset
+func FdIsset(fd c.Int, fdSet *FdSet) c.Int

c/netdb/netdb.go

@@ -0,0 +1,29 @@
+package netdb
+
+import (
+	"github.com/goplus/llgo/c/socket"
+	_ "unsafe"
+
+	"github.com/goplus/llgo/c"
+)
+
+const (
+	LLGoPackage = "decl"
+)
+
+type AddrInfo struct {
+	AiFlags     c.Int
+	AiFamily    c.Int
+	AiSockType  c.Int
+	AiProtocol  c.Int
+	AiAddrLen   c.Uint
+	AiCanOnName *c.Char
+	AiAddr      *socket.SockAddr
+	AiNext      *AddrInfo
+}
+
+//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/select/select.go

@@ -0,0 +1,22 @@
+package _select
+
+import (
+	"github.com/goplus/llgo/c/fddef"
+	_ "unsafe"
+
+	"github.com/goplus/llgo/c"
+)
+
+const (
+	LLGoPackage = "decl"
+)
+
+// (TODO) merge to timeval
+//
+type TimeVal struct {
+	TvSec  c.Long
+	TvUSec c.Int
+}
+
+//go:linkname Select C.select
+func Select(n c.Int, r *fddef.FdSet, w *fddef.FdSet, e *fddef.FdSet, timeout *TimeVal) c.Int

c/socket/socket.go

@@ -142,3 +142,14 @@ func SwapInt16(data uint16) uint16 {
 func Htons(x uint16) uint16 {
 	return SwapInt16(x)
 }
+
+// (TODO) merge to netdb
+//
+//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