The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=244ab56611c15e737b76cb3950c32e37b67c26fc
commit 244ab56611c15e737b76cb3950c32e37b67c26fc Author: Konstantin Belousov <[email protected]> AuthorDate: 2021-10-05 05:08:51 +0000 Commit: Konstantin Belousov <[email protected]> CommitDate: 2021-10-08 00:21:43 +0000 Add curproc_sigkilled() Function returns an indicator that the process was killed with SIGKILL Reviewed by: imp, markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D32313 --- sys/kern/kern_sig.c | 23 +++++++++++++++++++++++ sys/sys/proc.h | 1 + 2 files changed, 24 insertions(+) diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index c891cc1fbbad..edafa7eda57a 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -3296,6 +3296,29 @@ sig_intr(void) return (ret); } +bool +curproc_sigkilled(void) +{ + struct thread *td; + struct proc *p; + struct sigacts *ps; + bool res; + + td = curthread; + if ((td->td_flags & TDF_NEEDSIGCHK) == 0) + return (false); + + p = td->td_proc; + PROC_LOCK(p); + ps = p->p_sigacts; + mtx_lock(&ps->ps_mtx); + res = SIGISMEMBER(td->td_sigqueue.sq_signals, SIGKILL) || + SIGISMEMBER(p->p_sigqueue.sq_signals, SIGKILL); + mtx_unlock(&ps->ps_mtx); + PROC_UNLOCK(p); + return (res); +} + void proc_wkilled(struct proc *p) { diff --git a/sys/sys/proc.h b/sys/sys/proc.h index a9cef631529d..691bdae8b41a 100644 --- a/sys/sys/proc.h +++ b/sys/sys/proc.h @@ -1161,6 +1161,7 @@ int cpu_idle_wakeup(int); extern void (*cpu_idle_hook)(sbintime_t); /* Hook to machdep CPU idler. */ void cpu_switch(struct thread *, struct thread *, struct mtx *); void cpu_throw(struct thread *, struct thread *) __dead2; +bool curproc_sigkilled(void); void userret(struct thread *, struct trapframe *); void cpu_exit(struct thread *);
