diff options
Diffstat (limited to 'sys/kern/kern_exec.c')
| -rw-r--r-- | sys/kern/kern_exec.c | 9 |
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); |
