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qemu-sockets: add error propagation to Unix socket functions

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Before:

    $ qemu-system-x86_64 -monitor unix:/vvv,server=off
    connect(unix:/vvv): No such file or directory
    chardev: opening backend "socket" failed

After:

    $ x86_64-softmmu/qemu-system-x86_64 -monitor unix:/vvv,server=off
    qemu-system-x86_64: -monitor unix:/vvv,server=off: Failed to connect to socket: No such file or directory
    chardev: opening backend "socket" failed

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
2012-10-23 13:54:57 +02:00
parent 2f002c43eb
commit 58899664de
1 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
qemu-sockets.c
+8 -8
View File
@@ -632,7 +632,7 @@ int unix_listen_opts(QemuOpts *opts, Error **errp)
sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
if (sock < 0) {
perror("socket(unix)");
error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED);
return -1;
}
@@ -657,11 +657,11 @@ int unix_listen_opts(QemuOpts *opts, Error **errp)
unlink(un.sun_path);
if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) {
fprintf(stderr, "bind(unix:%s): %s\n", un.sun_path, strerror(errno));
error_set_errno(errp, errno, QERR_SOCKET_BIND_FAILED);
goto err;
}
if (listen(sock, 1) < 0) {
fprintf(stderr, "listen(unix:%s): %s\n", un.sun_path, strerror(errno));
error_set_errno(errp, errno, QERR_SOCKET_LISTEN_FAILED);
goto err;
}
@@ -681,13 +681,13 @@ int unix_connect_opts(QemuOpts *opts, Error **errp,
int sock, rc;
if (NULL == path) {
fprintf(stderr, "unix connect: no path specified\n");
error_setg(errp, "unix connect: no path specified\n");
return -1;
}
sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
if (sock < 0) {
perror("socket(unix)");
error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED);
return -1;
}
if (callback != NULL) {
@@ -722,7 +722,7 @@ int unix_connect_opts(QemuOpts *opts, Error **errp,
}
if (rc < 0) {
fprintf(stderr, "connect(unix:%s): %s\n", path, strerror(errno));
error_set_errno(errp, -rc, QERR_SOCKET_CONNECT_FAILED);
close(sock);
sock = -1;
}
@@ -735,7 +735,7 @@ int unix_connect_opts(QemuOpts *opts, Error **errp,
int unix_listen_opts(QemuOpts *opts, Error **errp)
{
fprintf(stderr, "unix sockets are not available on windows\n");
error_setg(errp, "unix sockets are not available on windows");
errno = ENOTSUP;
return -1;
}
@@ -743,7 +743,7 @@ int unix_listen_opts(QemuOpts *opts, Error **errp)
int unix_connect_opts(QemuOpts *opts, Error **errp,
NonBlockingConnectHandler *callback, void *opaque)
{
fprintf(stderr, "unix sockets are not available on windows\n");
error_setg(errp, "unix sockets are not available on windows");
errno = ENOTSUP;
return -1;
}