X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-abi.c;h=02918114252d76071d9c51786f9aa955ad9fdeab;hb=b7150b71f0b34c5412d77b7c25bc5b210d5cef87;hp=64af55fb24938db7491a39483dd2071d0c7ede3d;hpb=e6e65fcdf8fa05271dc21392cb56091d5c2eeb81;p=lttng-modules.git

diff --git a/lttng-abi.c b/lttng-abi.c
index 64af55fb..02918114 100644
--- a/lttng-abi.c
+++ b/lttng-abi.c
@@ -841,6 +841,7 @@ int lttng_abi_open_metadata_stream(struct file *channel_file)
 	metadata_stream->priv = buf;
 	stream_priv = metadata_stream;
 	metadata_stream->transport = channel->transport;
+	mutex_init(&metadata_stream->lock);
 
 	/*
 	 * Since life-time of metadata cache differs from that of
@@ -924,15 +925,23 @@ int lttng_abi_create_event(struct file *channel_file,
 		atomic_long_inc(&channel_file->f_count);
 		break;
 	case LTTNG_KERNEL_SYSCALL:
-		/*
-		 * Only all-syscall tracing supported for now.
-		 */
-		if (event_param->name[0] != '\0')
-			return -EINVAL;
 		ret = lttng_syscalls_register(channel, NULL);
 		if (ret)
 			goto fd_error;
 		event_fd = 0;
+		if (event_param->u.syscall.disable) {
+			ret = lttng_syscall_filter_disable(channel,
+				event_param->name[0] == '\0' ?
+					NULL : event_param->name);
+			if (ret)
+				goto fd_error;
+		} else {
+			ret = lttng_syscall_filter_enable(channel,
+				event_param->name[0] == '\0' ?
+					NULL : event_param->name);
+			if (ret)
+				goto fd_error;
+		}
 		break;
 	}
 	return event_fd;