Socket syscall kernel stubs.

a6a56669 · Silas Boyd-Wickizer · b79e05bf · a6a56669 · a6a56669
--- a/net.c
+++ b/net.c
@@ -197,7 +197,33 @@ initnet(void)
  addrun(t);
  release(&t->lock);
 }
+
+long
+sys_socket(int domain, int type, int protocol)
+{
+  return -1;
+}
+
+long
+sys_bind(int sock, void *xaddr, int xaddrlen)
+{
+  return -1;
+}
+
+long
+sys_listen(int sock, int backlog)
+{
+  return -1;
+}
+
+long
+sys_accept(int sock, void *xaddr, void *xaddrlen)
+{
+  return -1;
+}
+
 #else
+
 void
 initnet(void)
 {
@@ -208,4 +234,28 @@ netrx(void *va, u16 len)
 {
  cprintf("netrx: %u\n", len);
 }
+
+long
+sys_socket(int domain, int type, int protocol)
+{
+  return -1;
+}
+
+long
+sys_bind(int sock, void *xaddr, int xaddrlen)
+{
+  return -1;
+}
+
+long
+sys_listen(int sock, int backlog)
+{
+  return -1;
+}
+
+long
+sys_accept(int sock, void *xaddr, void *xaddrlen)
+{
+  return -1;
+}
 #endif
--- a/syscall.c
+++ b/syscall.c
@@ -133,6 +133,10 @@ extern long sys_uptime(void);
 extern long sys_map(void);
 extern long sys_unmap(void);
 extern long sys_halt(void);
+extern long sys_socket(int, int, int);
+extern long sys_bind(int, void*, int);
+extern long sys_listen(int, int);
+extern long sys_accept(int, void*, void*);

 #define SYSCALL(name) [SYS_##name] = (void*)sys_##name

@@ -161,6 +165,10 @@ static long (*syscalls[])(u64, u64, u64, u64, u64, u64) = {
  SYSCALL(map),
  SYSCALL(unmap),
  SYSCALL(halt),
+  SYSCALL(socket),
+  SYSCALL(bind),
+  SYSCALL(listen),
+  SYSCALL(accept),
 };

 void