diff options
Diffstat (limited to 'sys/kern/kern_exec.c')
| -rw-r--r-- | sys/kern/kern_exec.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c index 7f5c819..a453152 100644 --- a/sys/kern/kern_exec.c +++ b/sys/kern/kern_exec.c @@ -163,7 +163,7 @@ kern_execve(td, fname, argv, envv, mac_p) struct vattr attr; int (*img_first)(struct image_params *); struct pargs *oldargs = NULL, *newargs = NULL; - struct procsig *oldprocsig, *newprocsig; + struct sigacts *oldsigacts, *newsigacts; #ifdef KTRACE struct vnode *tracevp = NULL; struct ucred *tracecred = NULL; @@ -409,23 +409,16 @@ interpret: * reset. */ PROC_LOCK(p); - mp_fixme("procsig needs a lock"); - if (p->p_procsig->ps_refcnt > 1) { - oldprocsig = p->p_procsig; + if (sigacts_shared(p->p_sigacts)) { + oldsigacts = p->p_sigacts; PROC_UNLOCK(p); - MALLOC(newprocsig, struct procsig *, sizeof(struct procsig), - M_SUBPROC, M_WAITOK); - bcopy(oldprocsig, newprocsig, sizeof(*newprocsig)); - newprocsig->ps_refcnt = 1; - oldprocsig->ps_refcnt--; + newsigacts = sigacts_alloc(); + sigacts_copy(newsigacts, oldsigacts); PROC_LOCK(p); - p->p_procsig = newprocsig; - if (p->p_sigacts == &p->p_uarea->u_sigacts) - panic("shared procsig but private sigacts?"); + p->p_sigacts = newsigacts; + } else + oldsigacts = NULL; - p->p_uarea->u_sigacts = *p->p_sigacts; - p->p_sigacts = &p->p_uarea->u_sigacts; - } /* Stop profiling */ stopprofclock(p); @@ -624,6 +617,8 @@ done1: pargs_drop(oldargs); if (newargs != NULL) pargs_drop(newargs); + if (oldsigacts != NULL) + sigacts_free(oldsigacts); exec_fail_dealloc: |
