works with less than base ISA qemu-system-riscv32 -M virt -bios none -kernel output...

[qemu.git] / include / qemu / sockets.h

diff --git a/include/qemu/sockets.h b/include/qemu/sockets.h
index ef6b5591f7d7d1fb594a6da6f3bce5d6a9d75de7..2b0698a7c99c8193eb14e2ea65632e4f0aac6487 100644 (file)
--- a/include/qemu/sockets.h
+++ b/include/qemu/sockets.h
@@ -9,15 +9,48 @@ int inet_aton(const char *cp, struct in_addr *ia);
 
 #endif /* !_WIN32 */
 
-#include "qapi-types.h"
+#include "qapi/qapi-types-sockets.h"
 
 /* misc helpers */
+bool fd_is_socket(int fd);
 int qemu_socket(int domain, int type, int protocol);
+
+#ifndef WIN32
+/**
+ * qemu_socketpair:
+ * @domain: specifies a communication domain, such as PF_UNIX
+ * @type: specifies the socket type.
+ * @protocol: specifies a particular protocol to be used with the  socket
+ * @sv: an array to store the pair of socket created
+ *
+ * Creates an unnamed pair of connected sockets in the specified domain,
+ * of the specified type, and using the optionally specified protocol.
+ * And automatically set the close-on-exec flags on the returned sockets
+ *
+ * Return 0 on success.
+ */
+int qemu_socketpair(int domain, int type, int protocol, int sv[2]);
+#endif
+
 int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
+/*
+ * A variant of send(2) which handles partial send.
+ *
+ * Return the number of bytes transferred over the socket.
+ * Set errno if fewer than `count' bytes are sent.
+ *
+ * This function don't work with non-blocking socket's.
+ * Any of the possibilities with non-blocking socket's is bad:
+ *   - return a short write (then name is wrong)
+ *   - busy wait adding (errno == EAGAIN) to the loop
+ */
+ssize_t qemu_send_full(int s, const void *buf, size_t count)
+    G_GNUC_WARN_UNUSED_RESULT;
 int socket_set_cork(int fd, int v);
 int socket_set_nodelay(int fd);
-void qemu_set_block(int fd);
-void qemu_set_nonblock(int fd);
+void qemu_socket_set_block(int fd);
+int qemu_socket_try_set_nonblock(int fd);
+void qemu_socket_set_nonblock(int fd);
 int socket_set_fast_reuse(int fd);
 
 #ifdef WIN32
@@ -27,33 +60,29 @@ int socket_set_fast_reuse(int fd);
 #define SHUT_RDWR 2
 #endif
 
-/* callback function for nonblocking connect
- * valid fd on success, negative error code on failure
- */
-typedef void NonBlockingConnectHandler(int fd, Error *err, void *opaque);
-
 int inet_ai_family_from_address(InetSocketAddress *addr,
                                 Error **errp);
 int inet_parse(InetSocketAddress *addr, const char *str, Error **errp);
 int inet_connect(const char *str, Error **errp);
-int inet_connect_saddr(InetSocketAddress *saddr,
-                       NonBlockingConnectHandler *callback, void *opaque,
-                       Error **errp);
+int inet_connect_saddr(InetSocketAddress *saddr, Error **errp);
 
 NetworkAddressFamily inet_netfamily(int family);
 
-int unix_listen(const char *path, char *ostr, int olen, Error **errp);
+int unix_listen(const char *path, Error **errp);
 int unix_connect(const char *path, Error **errp);
 
+char *socket_uri(SocketAddress *addr);
 SocketAddress *socket_parse(const char *str, Error **errp);
-int socket_connect(SocketAddress *addr, NonBlockingConnectHandler *callback,
-                   void *opaque, Error **errp);
-int socket_listen(SocketAddress *addr, Error **errp);
+int socket_connect(SocketAddress *addr, Error **errp);
+int socket_listen(SocketAddress *addr, int num, Error **errp);
 void socket_listen_cleanup(int fd, Error **errp);
 int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp);
 
 /* Old, ipv4 only bits.  Don't use for new code. */
-int parse_host_port(struct sockaddr_in *saddr, const char *str);
+int convert_host_port(struct sockaddr_in *saddr, const char *host,
+                      const char *port, Error **errp);
+int parse_host_port(struct sockaddr_in *saddr, const char *str,
+                    Error **errp);
 int socket_init(void);
 
 /**
@@ -116,4 +145,14 @@ SocketAddress *socket_remote_address(int fd, Error **errp);
  */
 SocketAddress *socket_address_flatten(SocketAddressLegacy *addr);
 
+/**
+ * socket_address_parse_named_fd:
+ *
+ * Modify @addr, replacing a named fd by its corresponding number.
+ * Needed for callers that plan to pass @addr to a context where the
+ * current monitor is not available.
+ *
+ * Return 0 on success.
+ */
+int socket_address_parse_named_fd(SocketAddress *addr, Error **errp);
 #endif /* QEMU_SOCKETS_H */