give SIGCHLD on stop even if traced (once only)

SCCS-vsn: sys/kern/kern_sig.c 6.12

diff --git a/usr/src/sys/kern/kern_sig.c b/usr/src/sys/kern/kern_sig.c
index 6055cdf..fe42f91 100644 (file)
--- a/usr/src/sys/kern/kern_sig.c
+++ b/usr/src/sys/kern/kern_sig.c
@@ -1,4 +1,4 @@
-/*     kern_sig.c      6.11    85/03/12        */
+/*     kern_sig.c      6.12    85/03/13        */

 
 #include "../machine/reg.h"
 #include "../machine/pte.h"
 
 #include "../machine/reg.h"
 #include "../machine/pte.h"


@@ -386,6 +386,7 @@ psignal(p, sig)
                                goto out;
                        p->p_sig &= ~mask;
                        p->p_cursig = sig;
                                goto out;
                        p->p_sig &= ~mask;
                        p->p_cursig = sig;

+                       psignal(p->p_pptr, SIGCHLD);

                        stop(p);
                        goto out;
 
                        stop(p);
                        goto out;
 


@@ -523,6 +524,7 @@ issig()
                         * If traced, always stop, and stay
                         * stopped until released by the parent.
                         */
                         * If traced, always stop, and stay
                         * stopped until released by the parent.
                         */

+                       psignal(p->p_pptr, SIGCHLD);

                        do {
                                stop(p);
                                swtch();
                        do {
                                stop(p);
                                swtch();


@@ -584,6 +586,7 @@ issig()
                        case SIGSTOP:
                                if (p->p_flag&STRC)
                                        continue;
                        case SIGSTOP:
                                if (p->p_flag&STRC)
                                        continue;

+                               psignal(p->p_pptr, SIGCHLD);

                                stop(p);
                                swtch();
                                continue;
                                stop(p);
                                swtch();
                                continue;


@@ -639,7 +642,8 @@ send:
 
 /*
  * Put the argument process into the stopped
 
 /*
  * Put the argument process into the stopped

- * state and notify the parent via wakeup and/or signal.
+ * state and notify the parent via wakeup.
+ * Signals are handled elsewhere.

  */
 stop(p)
        register struct proc *p;
  */
 stop(p)
        register struct proc *p;


@@ -648,12 +652,6 @@ stop(p)
        p->p_stat = SSTOP;
        p->p_flag &= ~SWTED;
        wakeup((caddr_t)p->p_pptr);
        p->p_stat = SSTOP;
        p->p_flag &= ~SWTED;
        wakeup((caddr_t)p->p_pptr);

-       /*
-        * Avoid sending signal to parent if process is traced
-        */
-       if (p->p_flag&STRC)
-               return;
-       psignal(p->p_pptr, SIGCHLD);

 }
 
 /*
 }
 
 /*