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-rw-r--r--sys/kern/kern_thread.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c
index e5ec1fb..96f68609ca 100644
--- a/sys/kern/kern_thread.c
+++ b/sys/kern/kern_thread.c
@@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$");
#include <sys/sched.h>
#include <sys/sleepqueue.h>
#include <sys/selinfo.h>
+#include <sys/sysent.h>
#include <sys/turnstile.h>
#include <sys/ktr.h>
#include <sys/rwlock.h>
@@ -885,6 +886,14 @@ thread_suspend_check(int return_instead)
if ((p->p_flag & P_SINGLE_EXIT) && (p->p_singlethread != td)) {
PROC_UNLOCK(p);
tidhash_remove(td);
+
+ /*
+ * Allow Linux emulation layer to do some work
+ * before thread suicide.
+ */
+ if (__predict_false(p->p_sysent->sv_thread_detach != NULL))
+ (p->p_sysent->sv_thread_detach)(td);
+
PROC_LOCK(p);
tdsigcleanup(td);
umtx_thread_exit(td);
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