return ret;
}
-/*
- * Unregister the syscall event_notifier probes from the callsites.
- */
-int lttng_syscalls_unregister_event_notifier_group(
- struct lttng_event_notifier_group *event_notifier_group)
-{
- struct lttng_kernel_syscall_table *syscall_table = &event_notifier_group->syscall_table;
- int ret;
-
- /*
- * Only register the event_notifier probe on the `sys_enter` callsite for now.
- * At the moment, we don't think it's desirable to have one fired
- * event_notifier for the entry and one for the exit of a syscall.
- */
- if (syscall_table->sys_enter_registered) {
- ret = lttng_wrapper_tracepoint_probe_unregister("sys_enter",
- (void *) syscall_entry_event_probe, syscall_table);
- if (ret)
- return ret;
- syscall_table->sys_enter_registered = 0;
- }
- if (syscall_table->sys_exit_registered) {
- ret = lttng_wrapper_tracepoint_probe_unregister("sys_exit",
- (void *) syscall_exit_event_probe, syscall_table);
- if (ret)
- return ret;
- syscall_table->sys_enter_registered = 0;
- }
-
- kfree(syscall_table->syscall_dispatch);
- kfree(syscall_table->syscall_exit_dispatch);
-#ifdef CONFIG_COMPAT
- kfree(syscall_table->compat_syscall_dispatch);
- kfree(syscall_table->compat_syscall_exit_dispatch);
-#endif
- return 0;
-}
-
-int lttng_syscalls_unregister_channel(struct lttng_kernel_channel_buffer *chan)
+int lttng_syscalls_unregister_syscall_table(struct lttng_kernel_syscall_table *syscall_table)
{
- struct lttng_kernel_syscall_table *syscall_table = &chan->priv->parent.syscall_table;
int ret;
if (!syscall_table->syscall_dispatch)
return 0;
}
-int lttng_syscalls_destroy_event(struct lttng_kernel_channel_buffer *chan)
+int lttng_syscalls_destroy_syscall_table(struct lttng_kernel_syscall_table *syscall_table)
{
- struct lttng_kernel_syscall_table *syscall_table = &chan->priv->parent.syscall_table;
-
kfree(syscall_table->syscall_dispatch);
kfree(syscall_table->syscall_exit_dispatch);
#ifdef CONFIG_COMPAT