return ret;
}
+#ifndef CONFIG_HAVE_SYSCALL_TRACEPOINTS
+static inline
+int lttng_abi_syscall_list(void)
+{
+ return -ENOSYS;
+}
+#else
+static
+int lttng_abi_syscall_list(void)
+{
+ struct file *syscall_list_file;
+ int file_fd, ret;
+
+ file_fd = lttng_get_unused_fd();
+ if (file_fd < 0) {
+ ret = file_fd;
+ goto fd_error;
+ }
+
+ syscall_list_file = anon_inode_getfile("[lttng_syscall_list]",
+ <tng_syscall_list_fops,
+ NULL, O_RDWR);
+ if (IS_ERR(syscall_list_file)) {
+ ret = PTR_ERR(syscall_list_file);
+ goto file_error;
+ }
+ ret = lttng_syscall_list_fops.open(NULL, syscall_list_file);
+ if (ret < 0)
+ goto open_error;
+ fd_install(file_fd, syscall_list_file);
+ if (file_fd < 0) {
+ ret = file_fd;
+ goto fd_error;
+ }
+ return file_fd;
+
+open_error:
+ fput(syscall_list_file);
+file_error:
+ put_unused_fd(file_fd);
+fd_error:
+ return ret;
+}
+#endif
+
static
void lttng_abi_tracer_version(struct lttng_kernel_tracer_version *v)
{
return lttng_add_procname_to_ctx(ctx);
case LTTNG_KERNEL_CONTEXT_HOSTNAME:
return lttng_add_hostname_to_ctx(ctx);
+ case LTTNG_KERNEL_CONTEXT_CPU_ID:
+ return lttng_add_cpu_id_to_ctx(ctx);
default:
return -EINVAL;
}
if (finalized)
mask |= POLLHUP;
+ mutex_lock(&stream->metadata_cache->lock);
if (stream->metadata_cache->metadata_written >
stream->metadata_out)
mask |= POLLIN;
+ mutex_unlock(&stream->metadata_cache->lock);
}
return mask;
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
WARN_ON_ONCE(1);
return -ENOSYS;
}
+ case LTTNG_KERNEL_FILTER:
+ switch (*evtype) {
+ case LTTNG_TYPE_EVENT:
+ return -EINVAL;
+ case LTTNG_TYPE_ENABLER:
+ {
+ enabler = file->private_data;
+ return lttng_enabler_attach_bytecode(enabler,
+ (struct lttng_kernel_filter_bytecode __user *) arg);
+ }
+
+ }
default:
return -ENOIOCTLCMD;
}