- Adds event handlers for process_ctor,process_dtor, process_init,

  process_fini, thread_ctor, thread_dtor, thread_init, thread_fini. This
  will allow us to extend dynamically areas in proc/thread for dtrace ;-)
Reviewed by:    rwatson

1 files changed, 5 insertions, 1 deletions

diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c
index 7ff40eb..e176b87 100644
--- a/sys/kern/kern_thread.c
+++ b/sys/kern/kern_thread.c
@@ -49,6 +49,7 @@ __FBSDID("$FreeBSD$");
 #include <vm/vm.h>
 #include <vm/vm_extern.h>
 #include <vm/uma.h>
+#include <sys/eventhandler.h>
 
 /*
  * thread related storage.
@@ -126,7 +127,7 @@ thread_ctor(void *mem, int size, void *arg, int flags)
 	 * end of a context switch.
 	 */
 	td->td_critnest = 1;
-
+	EVENTHANDLER_INVOKE(thread_ctor, td);
 #ifdef AUDIT
 	audit_thread_alloc(td);
 #endif
@@ -167,6 +168,7 @@ thread_dtor(void *mem, int size, void *arg)
 #ifdef AUDIT
 	audit_thread_free(td);
 #endif
+	EVENTHANDLER_INVOKE(thread_dtor, td);
 	free_unr(tid_unrhdr, td->td_tid);
 	sched_newthread(td);
 }
@@ -183,6 +185,7 @@ thread_init(void *mem, int size, int flags)
 
 	td->td_sleepqueue = sleepq_alloc();
 	td->td_turnstile = turnstile_alloc();
+	EVENTHANDLER_INVOKE(thread_init, td);
 	td->td_sched = (struct td_sched *)&td[1];
 	sched_newthread(td);
 	umtx_thread_init(td);
@@ -199,6 +202,7 @@ thread_fini(void *mem, int size)
 	struct thread *td;
 
 	td = (struct thread *)mem;
+	EVENTHANDLER_INVOKE(thread_fini, td);
 	turnstile_free(td->td_turnstile);
 	sleepq_free(td->td_sleepqueue);
 	umtx_thread_fini(td);