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[Qemu-devel] [PATCH 3/9] Introduce qemu_set_fd_read_handler()


From: Juan Quintela
Subject: [Qemu-devel] [PATCH 3/9] Introduce qemu_set_fd_read_handler()
Date: Tue, 9 Mar 2010 23:25:57 +0100

Patch consist:

s/qemu_set_fd_handler(fd, read, NULL, o)/
  qemu_set_fd_read_handler(fd, read, o)/

s/qemu_set_fd_handler2(fd, NULL, read, NULL, o)/
  qemu_set_fd_read_handler(fd, read, o)/

Signed-off-by: Juan Quintela <address@hidden>
---
 audio/alsaaudio.c   |    4 ++--
 audio/ossaudio.c    |    2 +-
 bt-vhci.c           |    2 +-
 hw/baum.c           |    2 +-
 hw/xen_backend.c    |    6 +++---
 migration-exec.c    |    6 +++---
 migration-fd.c      |    4 ++--
 migration-tcp.c     |    4 ++--
 migration-unix.c    |    4 ++--
 net/socket.c        |    6 +++---
 net/vde.c           |    2 +-
 qemu-char.c         |    4 ++--
 qemu-char.h         |    4 ++++
 vl.c                |   15 +++++++++++++--
 vnc-auth-sasl.c     |    2 +-
 vnc-auth-vencrypt.c |    2 +-
 vnc.c               |    6 +++---
 17 files changed, 45 insertions(+), 30 deletions(-)

diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c
index 4259d9c..2455ee4 100644
--- a/audio/alsaaudio.c
+++ b/audio/alsaaudio.c
@@ -266,8 +266,8 @@ static int alsa_poll_helper (snd_pcm_t *handle, struct 
pollhlp *hlp, int mask)

     for (i = 0; i < count; ++i) {
         if (pfds[i].events & POLLIN) {
-            err = qemu_set_fd_handler (pfds[i].fd, alsa_poll_handler,
-                                       NULL, hlp);
+            err = qemu_set_fd_read_handler (pfds[i].fd, alsa_poll_handler,
+                                            hlp);
         }
         if (pfds[i].events & POLLOUT) {
             if (conf.verbose) {
diff --git a/audio/ossaudio.c b/audio/ossaudio.c
index 97e0f1b..4c91a46 100644
--- a/audio/ossaudio.c
+++ b/audio/ossaudio.c
@@ -153,7 +153,7 @@ static int oss_poll_in (HWVoiceIn *hw)
 {
     OSSVoiceIn *oss = (OSSVoiceIn *) hw;

-    return qemu_set_fd_handler (oss->fd, oss_helper_poll_in, NULL, NULL);
+    return qemu_set_fd_read_handler (oss->fd, oss_helper_poll_in, NULL);
 }

 static int oss_write (SWVoiceOut *sw, void *buf, int len)
diff --git a/bt-vhci.c b/bt-vhci.c
index 679c5e0..2352f1f 100644
--- a/bt-vhci.c
+++ b/bt-vhci.c
@@ -164,5 +164,5 @@ void bt_vhci_init(struct HCIInfo *info)
     s->info->evt_recv = vhci_out_hci_packet_event;
     s->info->acl_recv = vhci_out_hci_packet_acl;

-    qemu_set_fd_handler(s->fd, vhci_read, NULL, s);
+    qemu_set_fd_read_handler(s->fd, vhci_read, s);
 }
diff --git a/hw/baum.c b/hw/baum.c
index 18633f4..c856939 100644
--- a/hw/baum.c
+++ b/hw/baum.c
@@ -612,7 +612,7 @@ CharDriverState *chr_baum_init(QemuOpts *opts)
         goto fail;
     }

-    qemu_set_fd_handler(baum->brlapi_fd, baum_chr_read, NULL, baum);
+    qemu_set_fd_read_handler(baum->brlapi_fd, baum_chr_read, baum);

     qemu_chr_generic_open(chr);

diff --git a/hw/xen_backend.c b/hw/xen_backend.c
index 2eec0c6..a86e92f 100644
--- a/hw/xen_backend.c
+++ b/hw/xen_backend.c
@@ -624,7 +624,7 @@ int xen_be_init(void)
        return -1;
     }

-    if (qemu_set_fd_handler(xs_fileno(xenstore), xenstore_update, NULL, NULL) 
< 0)
+    if (qemu_set_fd_read_handler(xs_fileno(xenstore), xenstore_update, NULL) < 
0)
        goto err;

     xen_xc = xc_interface_open();
@@ -658,8 +658,8 @@ int xen_be_bind_evtchn(struct XenDevice *xendev)
        return -1;
     }
     xen_be_printf(xendev, 2, "bind evtchn port %d\n", xendev->local_port);
-    qemu_set_fd_handler(xc_evtchn_fd(xendev->evtchndev),
-                       xen_be_evtchn_event, NULL, xendev);
+    qemu_set_fd_read_handler(xc_evtchn_fd(xendev->evtchndev),
+                             xen_be_evtchn_event, xendev);
     return 0;
 }

diff --git a/migration-exec.c b/migration-exec.c
index 7e2ac0e..76518a6 100644
--- a/migration-exec.c
+++ b/migration-exec.c
@@ -140,9 +140,9 @@ int exec_start_incoming_migration(const char *command)
         return -errno;
     }

-    qemu_set_fd_handler2(qemu_stdio_fd(f), NULL,
-                        exec_accept_incoming_migration, NULL,
-                        (void *)(unsigned long)f);
+    qemu_set_fd_read_handler(qemu_stdio_fd(f),
+                             exec_accept_incoming_migration,
+                             (void *)(unsigned long)f);

     return 0;
 }
diff --git a/migration-fd.c b/migration-fd.c
index 056ac3e..8a4c2b8 100644
--- a/migration-fd.c
+++ b/migration-fd.c
@@ -136,8 +136,8 @@ int fd_start_incoming_migration(const char *infd)
         return -errno;
     }

-    qemu_set_fd_handler2(fd, NULL, fd_accept_incoming_migration, NULL,
-                        (void *)(unsigned long)f);
+    qemu_set_fd_read_handler(fd, fd_accept_incoming_migration,
+                             (void *)(unsigned long)f);

     return 0;
 }
diff --git a/migration-tcp.c b/migration-tcp.c
index d542804..66f126f 100644
--- a/migration-tcp.c
+++ b/migration-tcp.c
@@ -206,8 +206,8 @@ int tcp_start_incoming_migration(const char *host_port)
     if (listen(s, 1) == -1)
         goto err;

-    qemu_set_fd_handler2(s, NULL, tcp_accept_incoming_migration, NULL,
-                         (void *)(unsigned long)s);
+    qemu_set_fd_read_handler(s, tcp_accept_incoming_migration,
+                             (void *)(unsigned long)s);

     return 0;

diff --git a/migration-unix.c b/migration-unix.c
index 44427f8..fe9a820 100644
--- a/migration-unix.c
+++ b/migration-unix.c
@@ -213,8 +213,8 @@ int unix_start_incoming_migration(const char *path)
         goto err;
     }

-    qemu_set_fd_handler2(sock, NULL, unix_accept_incoming_migration, NULL,
-                        (void *)(unsigned long)sock);
+    qemu_set_fd_read_handler(sock, unix_accept_incoming_migration,
+                             (void *)(unsigned long)sock);

     return 0;

diff --git a/net/socket.c b/net/socket.c
index b7a21f8..5772202 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -276,7 +276,7 @@ static NetSocketState *net_socket_fd_init_dgram(VLANState 
*vlan,

     s->fd = fd;

-    qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
+    qemu_set_fd_read_handler(s->fd, net_socket_send_dgram, s);

     /* mcast: save bound address as dst */
     if (is_connected) s->dgram_dst=saddr;
@@ -287,7 +287,7 @@ static NetSocketState *net_socket_fd_init_dgram(VLANState 
*vlan,
 static void net_socket_connect(void *opaque)
 {
     NetSocketState *s = opaque;
-    qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
+    qemu_set_fd_read_handler(s->fd, net_socket_send, s);
 }

 static NetClientInfo net_socket_info = {
@@ -411,7 +411,7 @@ static int net_socket_listen_init(VLANState *vlan,
     s->model = qemu_strdup(model);
     s->name = name ? qemu_strdup(name) : NULL;
     s->fd = fd;
-    qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
+    qemu_set_fd_read_handler(fd, net_socket_accept, s);
     return 0;
 }

diff --git a/net/vde.c b/net/vde.c
index fc75e8f..a99dcdf 100644
--- a/net/vde.c
+++ b/net/vde.c
@@ -106,7 +106,7 @@ static int net_vde_init(VLANState *vlan, const char *model,

     s->vde = vde;

-    qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s);
+    qemu_set_fd_read_handler(vde_datafd(s->vde), vde_to_qemu, s);

     return 0;
 }
diff --git a/qemu-char.c b/qemu-char.c
index a87e4e7..43d0758 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2048,7 +2048,7 @@ static void tcp_chr_read(void *opaque)
         /* connection closed */
         s->connected = 0;
         if (s->listen_fd >= 0) {
-            qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
+            qemu_set_fd_read_handler(s->listen_fd, tcp_chr_accept, chr);
         }
         qemu_clear_fd_handler(s->fd);
         closesocket(s->fd);
@@ -2208,7 +2208,7 @@ static CharDriverState *qemu_chr_open_socket(QemuOpts 
*opts)

     if (is_listen) {
         s->listen_fd = fd;
-        qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
+        qemu_set_fd_read_handler(s->listen_fd, tcp_chr_accept, chr);
         if (is_telnet)
             s->do_telnetopt = 1;

diff --git a/qemu-char.h b/qemu-char.h
index 23305a8..70e4bf9 100644
--- a/qemu-char.h
+++ b/qemu-char.h
@@ -107,5 +107,9 @@ int qemu_set_fd_handler(int fd,
                         IOHandler *fd_read,
                         IOHandler *fd_write,
                         void *opaque);
+int qemu_set_fd_read_handler(int fd,
+                             IOHandler *fd_read,
+                             void *opaque);
+

 #endif
diff --git a/vl.c b/vl.c
index 2d364bb..c855167 100644
--- a/vl.c
+++ b/vl.c
@@ -2654,6 +2654,17 @@ int qemu_set_fd_handler(int fd,
     return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
 }

+int qemu_set_fd_read_handler(int fd,
+                             IOHandler *fd_read,
+                             void *opaque)
+{
+    if(fd_read == NULL) {
+        fprintf(stderr, "qemu_set_fd_read_handler: NULL read handler\n");
+        exit(1);
+    }
+    return qemu_set_fd_handler2(fd, NULL, fd_read, NULL, opaque);
+}
+
 #ifdef _WIN32
 /***********************************************************/
 /* Polling handling */
@@ -3259,8 +3270,8 @@ static int qemu_event_init(void)
     if (err < 0)
         goto fail;

-    qemu_set_fd_handler2(fds[0], NULL, qemu_event_read, NULL,
-                         (void *)(unsigned long)fds[0]);
+    qemu_set_fd_read_handler(fds[0], qemu_event_read,
+                             (void *)(unsigned long)fds[0]);

     io_thread_fd = fds[1];
     return 0;
diff --git a/vnc-auth-sasl.c b/vnc-auth-sasl.c
index acaac0c..5b2dd47 100644
--- a/vnc-auth-sasl.c
+++ b/vnc-auth-sasl.c
@@ -83,7 +83,7 @@ long vnc_client_write_sasl(VncState *vs)
      * SASL encoded output
      */
     if (vs->output.offset == 0) {
-        qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
+        qemu_set_fd_read_handler(vs->csock, vnc_client_read, vs);
     }

     return ret;
diff --git a/vnc-auth-vencrypt.c b/vnc-auth-vencrypt.c
index 07c1691..2999c2d 100644
--- a/vnc-auth-vencrypt.c
+++ b/vnc-auth-vencrypt.c
@@ -71,7 +71,7 @@ static int vnc_start_vencrypt_handshake(struct VncState *vs) {
        if (!gnutls_error_is_fatal(ret)) {
            VNC_DEBUG("Handshake interrupted (blocking)\n");
            if (!gnutls_record_get_direction(vs->tls.session))
-               qemu_set_fd_handler(vs->csock, vnc_tls_handshake_io, NULL, vs);
+               qemu_set_fd_read_handler(vs->csock, vnc_tls_handshake_io, vs);
            else
                qemu_set_fd_handler(vs->csock, NULL, vnc_tls_handshake_io, vs);
            return 0;
diff --git a/vnc.c b/vnc.c
index d15a984..2634dc8 100644
--- a/vnc.c
+++ b/vnc.c
@@ -1218,7 +1218,7 @@ static long vnc_client_write_plain(VncState *vs)
     vs->output.offset -= ret;

     if (vs->output.offset == 0) {
-        qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
+        qemu_set_fd_read_handler(vs->csock, vnc_client_read, vs);
     }

     return ret;
@@ -2389,7 +2389,7 @@ static void vnc_connect(VncDisplay *vd, int csock)
     VNC_DEBUG("New client on socket %d\n", csock);
     dcl->idle = 0;
     socket_set_nonblock(vs->csock);
-    qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
+    qemu_set_fd_read_handler(vs->csock, vnc_client_read, vs);

     vnc_client_cache_addr(vs);
     vnc_qmp_event(vs, QEVENT_VNC_CONNECTED);
@@ -2730,5 +2730,5 @@ int vnc_display_open(DisplayState *ds, const char 
*display)
             vs->display = dpy;
         }
     }
-    return qemu_set_fd_handler2(vs->lsock, NULL, vnc_listen_read, NULL, vs);
+    return qemu_set_fd_read_handler(vs->lsock, vnc_listen_read, vs);
 }
-- 
1.6.6.1





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