In the NOTYET code path when a process forks, the remaining

child thread goes back to system scope rather than process
scope.  This allows an ensuing exec() to actually work.

This change was made a year ago here, but I "forgot" to
commit it :(

Approved by:	deischen
MFC after:	3 weeks

1 files changed, 4 insertions, 7 deletions

diff --git a/lib/libkse/thread/thr_kern.c b/lib/libkse/thread/thr_kern.c
index 02ced94..20e8173 100644
--- a/lib/libkse/thread/thr_kern.c
+++ b/lib/libkse/thread/thr_kern.c
@@ -228,6 +228,10 @@ _kse_single_thread(struct pthread *curthread)
 	__sys_sigprocmask(SIG_SETMASK, &curthread->sigmask, NULL);
 	_thread_active_threads = 1;
 
+	curthread->kse->k_kcb->kcb_kmbx.km_curthread = NULL;
+	curthread->attr.flags &= ~PTHREAD_SCOPE_SYSTEM;
+	curthread->attr.flags |= PTHREAD_SCOPE_SYSTEM;
+
 	/*
 	 * Enter a loop to remove and free all threads other than
 	 * the running thread from the active thread list:
@@ -310,13 +314,6 @@ _kse_single_thread(struct pthread *curthread)
 		inited = 0;
 	}
 
-	/*
-	 * After a fork(), the leftover thread goes back to being
-	 * scope process.
-	 */
-	curthread->attr.flags &= ~PTHREAD_SCOPE_SYSTEM;
-	curthread->attr.flags |= PTHREAD_SCOPE_PROCESS;
-
 	/* We're no longer part of any lists */
 	curthread->tlflags = 0;