git: 855fb8944c59 - stable/13 - Add sv_onexec_old() sysent hook for exec event

[Konstantin Belousov]

The branch stable/13 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=855fb8944c5977abdd37ec2e1440e4332f5a6c4b

commit 855fb8944c5977abdd37ec2e1440e4332f5a6c4b
Author:     Konstantin Belousov <kib at FreeBSD.org>
AuthorDate: 2021-07-01 18:04:06 +0000
Commit:     Konstantin Belousov <kib at FreeBSD.org>
CommitDate: 2021-07-21 22:11:51 +0000

    Add sv_onexec_old() sysent hook for exec event
    
    (cherry picked from commit 71ab344524a14f00f21c4c5638906d7b965d2b64)
---
 sys/kern/kern_exec.c | 2 ++
 sys/sys/sysent.h     | 1 +
 2 files changed, 3 insertions(+)

diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c
index 01ec7de5d3c1..de1294ff6954 100644
--- a/sys/kern/kern_exec.c
+++ b/sys/kern/kern_exec.c
@@ -1057,6 +1057,8 @@ exec_new_vmspace(struct image_params *imgp, struct sysentvec *sv)
 
 	sigfastblock_clear(td);
 	umtx_exec(p);
+	if (p->p_sysent->sv_onexec_old != NULL)
+		p->p_sysent->sv_onexec_old(td);
 	itimers_exec(p);
 	if (sv->sv_onexec != NULL)
 		sv->sv_onexec(p, imgp);
diff --git a/sys/sys/sysent.h b/sys/sys/sysent.h
index 8b0903f7dcc0..ff37806efd96 100644
--- a/sys/sys/sysent.h
+++ b/sys/sys/sysent.h
@@ -145,6 +145,7 @@ struct sysentvec {
 	u_long		*sv_hwcap2;	/* Value passed in AT_HWCAP2. */
 	const char	*(*sv_machine_arch)(struct proc *);
 	vm_offset_t	sv_fxrng_gen_base;
+	void		(*sv_onexec_old)(struct thread *td);
 	void		(*sv_onexec)(struct proc *, struct image_params *);
 	void		(*sv_onexit)(struct proc *);
 	void		(*sv_ontdexit)(struct thread *td);