Merge tag 'misc-pull-request' of gitlab.com:marcandre.lureau/qemu into staging

Misc cleanups

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# gpg: Signature made Tue 03 May 2022 06:12:20 AM PDT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]

* tag 'misc-pull-request' of gitlab.com:marcandre.lureau/qemu: (23 commits)
  util: rename qemu_*block() socket functions
  tests: replace qemu_set_nonblock()
  net: replace qemu_set_nonblock()
  ui: replace qemu_set_nonblock()
  hw: replace qemu_set_nonblock()
  qga: replace qemu_set_nonblock()
  io: replace qemu_set{_non}block()
  chardev: replace qemu_set_nonblock()
  io: make qio_channel_command_new_pid() static
  Replace fcntl(O_NONBLOCK) with g_unix_set_fd_nonblocking()
  io: replace pipe() with g_unix_open_pipe(CLOEXEC)
  virtiofsd: replace pipe() with g_unix_open_pipe(CLOEXEC)
  os-posix: replace pipe()+cloexec with g_unix_open_pipe(CLOEXEC)
  tests: replace pipe() with g_unix_open_pipe(CLOEXEC)
  qga: replace pipe() with g_unix_open_pipe(CLOEXEC)
  util: replace pipe()+cloexec with g_unix_open_pipe()
  Replace qemu_pipe() with g_unix_open_pipe()
  block: move fcntl_setfl()
  Use g_unix_set_fd_nonblocking()
  libqtest: split QMP part in libqmp
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

6 files changed, 29 insertions, 24 deletions

diff --git a/net/l2tpv3.c b/net/l2tpv3.c
index b8faa87..af373e5 100644
--- a/net/l2tpv3.c
+++ b/net/l2tpv3.c
@@ -716,7 +716,7 @@ int net_init_l2tpv3(const Netdev *netdev,
     s->vec = g_new(struct iovec, MAX_L2TPV3_IOVCNT);
     s->header_buf = g_malloc(s->header_size);
 
-    qemu_set_nonblock(fd);
+    qemu_socket_set_nonblock(fd);
 
     s->fd = fd;
     s->counter = 0;
diff --git a/net/socket.c b/net/socket.c
index ea5220a..bfd8596 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -297,7 +297,7 @@ static int net_socket_mcast_create(struct sockaddr_in *mcastaddr,
         }
     }
 
-    qemu_set_nonblock(fd);
+    qemu_socket_set_nonblock(fd);
     return fd;
 fail:
     if (fd >= 0)
@@ -522,7 +522,7 @@ static int net_socket_listen_init(NetClientState *peer,
         error_setg_errno(errp, errno, "can't create stream socket");
         return -1;
     }
-    qemu_set_nonblock(fd);
+    qemu_socket_set_nonblock(fd);
 
     socket_set_fast_reuse(fd);
 
@@ -570,7 +570,7 @@ static int net_socket_connect_init(NetClientState *peer,
         error_setg_errno(errp, errno, "can't create stream socket");
         return -1;
     }
-    qemu_set_nonblock(fd);
+    qemu_socket_set_nonblock(fd);
 
     connected = 0;
     for(;;) {
@@ -688,7 +688,7 @@ static int net_socket_udp_init(NetClientState *peer,
         closesocket(fd);
         return -1;
     }
-    qemu_set_nonblock(fd);
+    qemu_socket_set_nonblock(fd);
 
     s = net_socket_fd_init(peer, model, name, fd, 0, NULL, errp);
     if (!s) {
@@ -730,7 +730,7 @@ int net_init_socket(const Netdev *netdev, const char *name,
         if (fd == -1) {
             return -1;
         }
-        ret = qemu_try_set_nonblock(fd);
+        ret = qemu_socket_try_set_nonblock(fd);
         if (ret < 0) {
             error_setg_errno(errp, -ret, "%s: Can't use file descriptor %d",
                              name, fd);
diff --git a/net/tap-bsd.c b/net/tap-bsd.c
index 7e65bd3..005ce05 100644
--- a/net/tap-bsd.c
+++ b/net/tap-bsd.c
@@ -98,7 +98,7 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
             return -1;
         }
     }
-    fcntl(fd, F_SETFL, O_NONBLOCK);
+    g_unix_set_fd_nonblocking(fd, true, NULL);
     return fd;
 }
 
@@ -189,7 +189,7 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
         goto error;
     }
 
-    fcntl(fd, F_SETFL, O_NONBLOCK);
+    g_unix_set_fd_nonblocking(fd, true, NULL);
     return fd;
 
 error:
diff --git a/net/tap-linux.c b/net/tap-linux.c
index 3e24d23..304ff45 100644
--- a/net/tap-linux.c
+++ b/net/tap-linux.c
@@ -113,7 +113,7 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
         return -1;
     }
     pstrcpy(ifname, ifname_size, ifr.ifr_name);
-    fcntl(fd, F_SETFL, O_NONBLOCK);
+    g_unix_set_fd_nonblocking(fd, true, NULL);
     return fd;
 }
 
diff --git a/net/tap-solaris.c b/net/tap-solaris.c
index 7991978..a44f880 100644
--- a/net/tap-solaris.c
+++ b/net/tap-solaris.c
@@ -198,7 +198,7 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
             return -1;
         }
     }
-    fcntl(fd, F_SETFL, O_NONBLOCK);
+    g_unix_set_fd_nonblocking(fd, true, NULL);
     return fd;
 }
 
diff --git a/net/tap.c b/net/tap.c
index 6190fa6..b3ddfd4 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -619,7 +619,10 @@ int net_init_bridge(const Netdev *netdev, const char *name,
         return -1;
     }
 
-    qemu_set_nonblock(fd);
+    if (!g_unix_set_fd_nonblocking(fd, true, NULL)) {
+        error_setg_errno(errp, errno, "Failed to set FD nonblocking");
+        return -1;
+    }
     vnet_hdr = tap_probe_vnet_hdr(fd, errp);
     if (vnet_hdr < 0) {
         close(fd);
@@ -716,8 +719,6 @@ static void net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer,
         }
 
         if (vhostfdname) {
-            int ret;
-
             vhostfd = monitor_fd_param(monitor_cur(), vhostfdname, &err);
             if (vhostfd == -1) {
                 if (tap->has_vhostforce && tap->vhostforce) {
@@ -727,9 +728,8 @@ static void net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer,
                 }
                 return;
             }
-            ret = qemu_try_set_nonblock(vhostfd);
-            if (ret < 0) {
-                error_setg_errno(errp, -ret, "%s: Can't use file descriptor %d",
+            if (!g_unix_set_fd_nonblocking(vhostfd, true, NULL)) {
+                error_setg_errno(errp, errno, "%s: Can't use file descriptor %d",
                                  name, fd);
                 return;
             }
@@ -745,7 +745,10 @@ static void net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer,
                 }
                 return;
             }
-            qemu_set_nonblock(vhostfd);
+            if (!g_unix_set_fd_nonblocking(vhostfd, true, NULL)) {
+                error_setg_errno(errp, errno, "Failed to set FD nonblocking");
+                return;
+            }
         }
         options.opaque = (void *)(uintptr_t)vhostfd;
         options.nvqs = 2;
@@ -832,9 +835,8 @@ int net_init_tap(const Netdev *netdev, const char *name,
             return -1;
         }
 
-        ret = qemu_try_set_nonblock(fd);
-        if (ret < 0) {
-            error_setg_errno(errp, -ret, "%s: Can't use file descriptor %d",
+        if (!g_unix_set_fd_nonblocking(fd, true, NULL)) {
+            error_setg_errno(errp, errno, "%s: Can't use file descriptor %d",
                              name, fd);
             close(fd);
             return -1;
@@ -889,9 +891,9 @@ int net_init_tap(const Netdev *netdev, const char *name,
                 goto free_fail;
             }
 
-            ret = qemu_try_set_nonblock(fd);
-            if (ret < 0) {
-                error_setg_errno(errp, -ret, "%s: Can't use file descriptor %d",
+            ret = g_unix_set_fd_nonblocking(fd, true, NULL);
+            if (!ret) {
+                error_setg_errno(errp, errno, "%s: Can't use file descriptor %d",
                                  name, fd);
                 goto free_fail;
             }
@@ -946,7 +948,10 @@ free_fail:
             return -1;
         }
 
-        qemu_set_nonblock(fd);
+        if (!g_unix_set_fd_nonblocking(fd, true, NULL)) {
+            error_setg_errno(errp, errno, "Failed to set FD nonblocking");
+            return -1;
+        }
         vnet_hdr = tap_probe_vnet_hdr(fd, errp);
         if (vnet_hdr < 0) {
             close(fd);