aboutsummaryrefslogtreecommitdiff
path: root/sys
diff options
context:
space:
mode:
authorKonstantin Belousov <kib@FreeBSD.org>2021-07-01 18:04:06 +0000
committerKonstantin Belousov <kib@FreeBSD.org>2021-07-07 11:12:07 +0000
commit71ab344524a14f00f21c4c5638906d7b965d2b64 (patch)
tree6763ad271b1ef4fc105c8043113ab87c5d166485 /sys
parentedcf1054d3fb4772ade6a2c0b7afd9e28672385d (diff)
downloadsrc-71ab344524a14f00f21c4c5638906d7b965d2b64.tar.gz
src-71ab344524a14f00f21c4c5638906d7b965d2b64.zip
Add sv_onexec_old() sysent hook for exec event
Unlike sv_onexec(), it is called from the old (pre-exec) sysentvec structure. The old vmspace for the process is still intact during the call. Reviewed by: dchagin, markj Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D30987
Diffstat (limited to 'sys')
-rw-r--r--sys/kern/kern_exec.c2
-rw-r--r--sys/sys/sysent.h1
2 files changed, 3 insertions, 0 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c
index c3c23f44189e..763196a593e4 100644
--- a/sys/kern/kern_exec.c
+++ b/sys/kern/kern_exec.c
@@ -1064,6 +1064,8 @@ 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 e0e5e351ae20..869c140c06f5 100644
--- a/sys/sys/sysent.h
+++ b/sys/sys/sysent.h
@@ -150,6 +150,7 @@ 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);