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Reviewed by:	bde

1 files changed, 4 insertions, 5 deletions

diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c
index 3fd89fc..4f02df06 100644
--- a/sys/kern/kern_exec.c
+++ b/sys/kern/kern_exec.c
@@ -754,11 +754,10 @@ interpret:
 
 	/*
 	 * If tracing the process, trap to debugger so breakpoints
-	 * can be set before the program executes.
-	 * Use tdsignal to deliver signal to current thread, using
-	 * psignal may cause the signal to be delivered to wrong thread
-	 * because that thread will exit, remember we are going to enter
-	 * single thread mode.
+	 * can be set before the program executes.  We have to use
+	 * tdsignal() to deliver the signal to the current thread
+	 * since any other threads in this process will exit if
+	 * execve() succeeds.
 	 */
 	if (p->p_flag & P_TRACED)
 		tdsignal(td, SIGTRAP);