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| author | Konstantin Belousov <kib@FreeBSD.org> | 2021-07-01 18:04:06 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2021-07-07 11:12:07 +0000 |
| commit | 71ab344524a14f00f21c4c5638906d7b965d2b64 (patch) | |
| tree | 6763ad271b1ef4fc105c8043113ab87c5d166485 /sys | |
| parent | edcf1054d3fb4772ade6a2c0b7afd9e28672385d (diff) | |
| download | src-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.c | 2 | ||||
| -rw-r--r-- | sys/sys/sysent.h | 1 |
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); |