lib/posix-socket: Give name to opened sockets

This change names newly opened sockets as such:
- generic sockets: "socket"
- sockets opened by a call to accept(): "socket:accepted"
- sockets opened by socketpair(): "socket:pair"

Signed-off-by: Andrei Tatar <andrei@unikraft.io>
Approved-by: Sergiu Moga <sergiu@unikraft.io>
Reviewed-by: Sergiu Moga <sergiu@unikraft.io>
GitHub-Closes: #1592

diff --git a/lib/posix-socket/socket.c b/lib/posix-socket/socket.c
index 65189e1c99915cf0fe95a89a34c3354f76819553..5ba8be91193fe89336395ecc24a4a3dde97ee011 100644 (file)
--- a/lib/posix-socket/socket.c
+++ b/lib/posix-socket/socket.c
@@ -61,6 +61,15 @@
 
 static const char POSIX_SOCKET_VOLID[] = "posix_socket_vol";
 
+#define POSIX_SOCKET_FNAME "socket"
+#define POSIX_SOCKET_FNAME_LEN (sizeof(POSIX_SOCKET_FNAME) - 1)
+
+#define POSIX_SOCKET_ACCT_FNAME "socket:accepted"
+#define POSIX_SOCKET_ACCT_FNAME_LEN (sizeof(POSIX_SOCKET_ACCT_FNAME) - 1)
+
+#define POSIX_SOCKET_PAIR_FNAME "socket:pair"
+#define POSIX_SOCKET_PAIR_FNAME_LEN (sizeof(POSIX_SOCKET_PAIR_FNAME) - 1)
+
 #define SOCKET_MODE (O_RDWR|UKFD_O_NOSEEK|UKFD_O_NOIOLOCK)
 
 #define _ERR_BLOCK(r) ((r) == -EAGAIN || (r) == -EWOULDBLOCK)
@@ -293,7 +302,8 @@ int uk_sys_socket(int family, int type, int protocol)
                mode |= O_NONBLOCK;
        if (type & SOCK_CLOEXEC)
                mode |= O_CLOEXEC;
-       fd = uk_fdtab_open(sock, mode);
+       fd = uk_fdtab_open_named(sock, mode, POSIX_SOCKET_FNAME,
+                                POSIX_SOCKET_FNAME_LEN);
        uk_file_release(sock);
        return fd;
 }
@@ -378,7 +388,8 @@ int uk_sys_accept(const struct uk_file *sock, int blocking,
                mode |= O_NONBLOCK;
        if (flags & SOCK_CLOEXEC)
                mode |= O_CLOEXEC;
-       fd = uk_fdtab_open(sockfile, mode);
+       fd = uk_fdtab_open_named(sockfile, mode, POSIX_SOCKET_ACCT_FNAME,
+                                POSIX_SOCKET_ACCT_FNAME_LEN);
        uk_file_release(sockfile);
        if (fd >= 0)
                uk_socket_event_raise(&al->evd, ACCEPT);
@@ -981,12 +992,14 @@ int uk_sys_socketpair(int family, int type, int protocol, int sv[2])
        if (type & SOCK_CLOEXEC)
                mode |= O_CLOEXEC;
 
-       ret = uk_fdtab_open(socks[0], mode);
+       ret = uk_fdtab_open_named(socks[0], mode, POSIX_SOCKET_PAIR_FNAME,
+                                 POSIX_SOCKET_PAIR_FNAME_LEN);
        if (unlikely(ret < 0))
                goto out;
        sv[0] = ret;
 
-       ret = uk_fdtab_open(socks[1], mode);
+       ret = uk_fdtab_open_named(socks[1], mode, POSIX_SOCKET_PAIR_FNAME,
+                                 POSIX_SOCKET_PAIR_FNAME_LEN);
        if (unlikely(ret < 0)) {
                uk_sys_close(sv[0]);
                goto out;