return ret;
}
-static
-int lttng_abi_syscall_list(void)
-{
- struct file *syscall_list_file;
- int file_fd, ret;
-
- file_fd = 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;
-}
-
static
void lttng_abi_tracer_version(struct lttng_kernel_tracer_version *v)
{
v->patchlevel = LTTNG_MODULES_PATCHLEVEL_VERSION;
}
+static
+void lttng_abi_tracer_abi_version(struct lttng_kernel_tracer_abi_version *v)
+{
+ v->major = LTTNG_MODULES_ABI_MAJOR_VERSION;
+ v->minor = LTTNG_MODULES_ABI_MINOR_VERSION;
+}
+
static
long lttng_abi_add_context(struct file *file,
struct lttng_kernel_context *context_param,
* Returns a file descriptor listing available tracepoints
* LTTNG_KERNEL_WAIT_QUIESCENT
* Returns after all previously running probes have completed
+ * LTTNG_KERNEL_TRACER_ABI_VERSION
+ * Returns the LTTng kernel tracer ABI version
*
* The returned session will be deleted when its file descriptor is closed.
*/
(struct lttng_kernel_tracer_version __user *) arg;
lttng_abi_tracer_version(&version);
-
+
+ if (copy_to_user(uversion, &version, sizeof(version)))
+ return -EFAULT;
+ return 0;
+ }
+ case LTTNG_KERNEL_TRACER_ABI_VERSION:
+ {
+ struct lttng_kernel_tracer_abi_version version;
+ struct lttng_kernel_tracer_abi_version *uversion =
+ (struct lttng_kernel_tracer_abi_version __user *) arg;
+
+ lttng_abi_tracer_abi_version(&version);
+
if (copy_to_user(uversion, &version, sizeof(version)))
return -EFAULT;
return 0;
if (ret)
goto fd_error;
event_fd = 0;
- if (event_param->u.syscall.disable) {
- ret = lttng_syscall_filter_disable(channel,
+ if (event_param->u.syscall.enable) {
+ ret = lttng_syscall_filter_enable(channel,
event_param->name[0] == '\0' ?
NULL : event_param->name);
if (ret)
goto fd_error;
+
} else {
- ret = lttng_syscall_filter_enable(channel,
+ ret = lttng_syscall_filter_disable(channel,
event_param->name[0] == '\0' ?
NULL : event_param->name);
if (ret)
case LTTNG_KERNEL_OLD_DISABLE:
case LTTNG_KERNEL_DISABLE:
return lttng_channel_disable(channel);
+ case LTTNG_KERNEL_SYSCALL_MASK:
+ return lttng_channel_syscall_mask(channel,
+ (struct lttng_kernel_syscall_mask __user *) arg);
default:
return -ENOIOCTLCMD;
}