Author: dchagin
Date: Mon May 13 11:17:31 2019
New Revision: 347521
URL: https://svnweb.freebsd.org/changeset/base/347521
Log:
MFC r346965:
Follow the FreeBSD and implement PDEATH_SIG prctl ops in the Linuxulator.
It was first introduced in r163734 and missied by me in r283383.
Modified:
stable/11/sys/compat/linux/linux_emul.c
stable/11/sys/compat/linux/linux_emul.h
stable/11/sys/compat/linux/linux_misc.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/compat/linux/linux_emul.c
==============================================================================
--- stable/11/sys/compat/linux/linux_emul.c Mon May 13 10:43:18 2019
(r347520)
+++ stable/11/sys/compat/linux/linux_emul.c Mon May 13 11:17:31 2019
(r347521)
@@ -127,7 +127,6 @@ linux_proc_init(struct thread *td, struct thread *newt
em->em_tid = p->p_pid;
em->flags = 0;
- em->pdeath_signal = 0;
em->robust_futexes = NULL;
em->child_clear_tid = NULL;
em->child_set_tid = NULL;
Modified: stable/11/sys/compat/linux/linux_emul.h
==============================================================================
--- stable/11/sys/compat/linux/linux_emul.h Mon May 13 10:43:18 2019
(r347520)
+++ stable/11/sys/compat/linux/linux_emul.h Mon May 13 11:17:31 2019
(r347521)
@@ -40,7 +40,6 @@ struct linux_emuldata {
int *child_set_tid; /* in clone(): Child's TID to set on clone */
int *child_clear_tid;/* in clone(): Child's TID to clear on exit */
- int pdeath_signal; /* parent death signal */
int flags; /* thread emuldata flags */
int em_tid; /* thread id */
Modified: stable/11/sys/compat/linux/linux_misc.c
==============================================================================
--- stable/11/sys/compat/linux/linux_misc.c Mon May 13 10:43:18 2019
(r347520)
+++ stable/11/sys/compat/linux/linux_misc.c Mon May 13 11:17:31 2019
(r347521)
@@ -49,6 +49,7 @@ __FBSDID("$FreeBSD$");
#include <sys/namei.h>
#include <sys/priv.h>
#include <sys/proc.h>
+#include <sys/procctl.h>
#include <sys/reboot.h>
#include <sys/racct.h>
#include <sys/random.h>
@@ -1995,7 +1996,6 @@ linux_prctl(struct thread *td, struct linux_prctl_args
int error = 0, max_size;
struct proc *p = td->td_proc;
char comm[LINUX_MAX_COMM_LEN];
- struct linux_emuldata *em;
int pdeath_signal;
#ifdef DEBUG
@@ -2009,17 +2009,18 @@ linux_prctl(struct thread *td, struct linux_prctl_args
case LINUX_PR_SET_PDEATHSIG:
if (!LINUX_SIG_VALID(args->arg2))
return (EINVAL);
- em = em_find(td);
- KASSERT(em != NULL, ("prctl: emuldata not found.\n"));
- em->pdeath_signal = args->arg2;
- break;
+ pdeath_signal = linux_to_bsd_signal(args->arg2);
+ return (kern_procctl(td, P_PID, 0, PROC_PDEATHSIG_CTL,
+ &pdeath_signal));
case LINUX_PR_GET_PDEATHSIG:
- em = em_find(td);
- KASSERT(em != NULL, ("prctl: emuldata not found.\n"));
- pdeath_signal = em->pdeath_signal;
- error = copyout(&pdeath_signal,
+ error = kern_procctl(td, P_PID, 0, PROC_PDEATHSIG_STATUS,
+ &pdeath_signal);
+ if (error != 0)
+ return (error);
+ pdeath_signal = bsd_to_linux_signal(pdeath_signal);
+ return (copyout(&pdeath_signal,
(void *)(register_t)args->arg2,
- sizeof(pdeath_signal));
+ sizeof(pdeath_signal)));
break;
case LINUX_PR_GET_KEEPCAPS:
/*
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