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Searched refs:sighand (Results 1 – 25 of 39) sorted by relevance

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/linux/fs/
H A Dsignalfd.c36 void signalfd_cleanup(struct sighand_struct *sighand) in signalfd_cleanup() argument
38 wake_up_pollfree(&sighand->signalfd_wqh); in signalfd_cleanup()
56 poll_wait(file, &current->sighand->signalfd_wqh, wait); in signalfd_poll()
58 spin_lock_irq(&current->sighand->siglock); in signalfd_poll()
63 spin_unlock_irq(&current->sighand->siglock); in signalfd_poll()
161 spin_lock_irq(&current->sighand->siglock); in signalfd_dequeue()
170 spin_unlock_irq(&current->sighand->siglock); in signalfd_dequeue()
174 add_wait_queue(&current->sighand->signalfd_wqh, &wait); in signalfd_dequeue()
184 spin_unlock_irq(&current->sighand->siglock); in signalfd_dequeue()
186 spin_lock_irq(&current->sighand->siglock); in signalfd_dequeue()
[all …]
/linux/drivers/tty/
H A Dtty_jobctrl.c19 current->sighand->action[sig-1].sa.sa_handler == SIG_IGN); in is_ignored()
80 spin_lock_irqsave(&p->sighand->siglock, flags); in proc_clear_tty()
83 spin_unlock_irqrestore(&p->sighand->siglock, flags); in proc_clear_tty()
124 spin_lock_irq(&current->sighand->siglock); in proc_set_tty()
126 spin_unlock_irq(&current->sighand->siglock); in proc_set_tty()
135 spin_lock_irq(&current->sighand->siglock); in tty_open_proc_set_tty()
156 spin_unlock_irq(&current->sighand->siglock); in tty_open_proc_set_tty()
165 spin_lock_irqsave(&current->sighand->siglock, flags); in get_current_tty()
167 spin_unlock_irqrestore(&current->sighand->siglock, flags); in get_current_tty()
205 spin_lock_irq(&p->sighand->siglock); in tty_signal_session_leader()
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/linux/include/linux/
H A Dsignalfd.h21 if (unlikely(waitqueue_active(&tsk->sighand->signalfd_wqh))) in signalfd_notify()
22 wake_up(&tsk->sighand->signalfd_wqh); in signalfd_notify()
25 extern void signalfd_cleanup(struct sighand_struct *sighand);
31 static inline void signalfd_cleanup(struct sighand_struct *sighand) { } in signalfd_cleanup() argument
/linux/kernel/
H A Dsignal.c74 return t->sighand->action[sig - 1].sa.sa_handler; in sig_handler()
191 spin_lock_irq(&current->sighand->siglock); in calculate_sigpending()
194 spin_unlock_irq(&current->sighand->siglock); in calculate_sigpending()
497 spin_lock_irqsave(&t->sighand->siglock, flags); in flush_signals()
501 spin_unlock_irqrestore(&t->sighand->siglock, flags); in flush_signals()
510 t->sighand->action[i].sa.sa_handler = SIG_IGN; in ignore_signals()
523 struct k_sigaction *ka = &t->sighand->action[0]; in flush_signal_handlers()
538 void __user *handler = tsk->sighand->action[sig-1].sa.sa_handler; in unhandled_signal()
624 lockdep_assert_held(&tsk->sighand->siglock); in dequeue_signal()
723 lockdep_assert_held(&t->sighand->siglock); in signal_wake_up_state()
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H A Dexit.c163 struct sighand_struct *sighand; in __exit_signal() local
167 sighand = rcu_dereference_check(tsk->sighand, in __exit_signal()
169 spin_lock(&sighand->siglock); in __exit_signal()
215 tsk->sighand = NULL; in __exit_signal()
216 spin_unlock(&sighand->siglock); in __exit_signal()
218 __cleanup_sighand(sighand); in __exit_signal()
870 struct sighand_struct *sighand = tsk->sighand; in synchronize_group_exit() local
874 spin_lock_irq(&sighand->siglock); in synchronize_group_exit()
891 spin_unlock_irq(&sighand->siglock); in synchronize_group_exit()
1091 struct sighand_struct *const sighand = current->sighand; in do_group_exit() local
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H A Dptrace.c133 spin_lock(&child->sighand->siglock); in __ptrace_unlink()
160 spin_unlock(&child->sighand->siglock); in __ptrace_unlink()
192 spin_lock_irq(&task->sighand->siglock); in ptrace_freeze_traced()
198 spin_unlock_irq(&task->sighand->siglock); in ptrace_freeze_traced()
380 guard(spinlock)(&task->sighand->siglock); in ptrace_set_stopped()
552 else if (ignoring_children(tracer->sighand)) { in __ptrace_detach()
743 spin_lock_irq(&child->sighand->siglock); in ptrace_peek_siginfo()
751 spin_unlock_irq(&child->sighand->siglock); in ptrace_peek_siginfo()
862 spin_lock_irq(&child->sighand->siglock); in ptrace_resume()
866 spin_unlock_irq(&child->sighand->siglock); in ptrace_resume()
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H A Dfork.c1608 refcount_inc(&current->sighand->count); in copy_sighand()
1612 RCU_INIT_POINTER(tsk->sighand, sig); in copy_sighand()
1617 spin_lock_irq(&current->sighand->siglock); in copy_sighand()
1618 memcpy(sig->action, current->sighand->action, sizeof(sig->action)); in copy_sighand()
1619 spin_unlock_irq(&current->sighand->siglock); in copy_sighand()
1628 void __cleanup_sighand(struct sighand_struct *sighand) in __cleanup_sighand() argument
1630 if (refcount_dec_and_test(&sighand->count)) { in __cleanup_sighand()
1631 signalfd_cleanup(sighand); in __cleanup_sighand()
1636 kmem_cache_free(sighand_cachep, sighand); in __cleanup_sighand()
1717 assert_spin_locked(&current->sighand->siglock); in copy_seccomp()
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H A Dseccomp.c437 assert_spin_locked(&current->sighand->siglock); in seccomp_may_assign_mode()
451 assert_spin_locked(&task->sighand->siglock); in seccomp_assign_mode()
493 assert_spin_locked(&current->sighand->siglock); in seccomp_can_sync_threads()
580 spin_lock_irq(&tsk->sighand->siglock); in seccomp_filter_release()
584 spin_unlock_irq(&tsk->sighand->siglock); in seccomp_filter_release()
603 assert_spin_locked(&current->sighand->siglock); in seccomp_sync_threads()
927 assert_spin_locked(&current->sighand->siglock); in seccomp_attach_filter()
1433 spin_lock_irq(&current->sighand->siglock); in seccomp_set_mode_strict()
1445 spin_unlock_irq(&current->sighand->siglock); in seccomp_set_mode_strict()
1931 lockdep_assert_held(&current->sighand->siglock); in has_duplicate_listener()
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H A Dkcmp.c192 ret = kcmp_ptr(task1->sighand, task2->sighand, KCMP_SIGHAND); in SYSCALL_DEFINE5()
H A Dacct.c489 spin_lock_irq(&current->sighand->siglock); in fill_ac()
499 spin_unlock_irq(&current->sighand->siglock); in fill_ac()
579 spin_lock_irq(&current->sighand->siglock); in acct_collect()
599 spin_unlock_irq(&current->sighand->siglock); in acct_collect()
H A Dpid_namespace.c208 spin_lock_irq(&me->sighand->siglock); in zap_pid_ns_processes()
209 me->sighand->action[SIGCHLD - 1].sa.sa_handler = SIG_IGN; in zap_pid_ns_processes()
210 spin_unlock_irq(&me->sighand->siglock); in zap_pid_ns_processes()
H A Dtaskstats.c279 spin_lock_irqsave(&tsk->sighand->siglock, flags); in fill_tgid_exit()
291 spin_unlock_irqrestore(&tsk->sighand->siglock, flags); in fill_tgid_exit()
578 spin_lock_irq(&tsk->sighand->siglock); in taskstats_tgid_alloc()
589 spin_unlock_irq(&tsk->sighand->siglock); in taskstats_tgid_alloc()
H A Dumh.c69 spin_lock_irq(&current->sighand->siglock); in call_usermodehelper_exec_async()
71 spin_unlock_irq(&current->sighand->siglock); in call_usermodehelper_exec_async()
/linux/kernel/time/
H A Ditimer.c53 spin_lock_irq(&tsk->sighand->siglock); in get_cpu_itimer()
70 spin_unlock_irq(&tsk->sighand->siglock); in get_cpu_itimer()
82 spin_lock_irq(&tsk->sighand->siglock); in do_getitimer()
86 spin_unlock_irq(&tsk->sighand->siglock); in do_getitimer()
197 spin_lock_irq(&tsk->sighand->siglock); in set_cpu_itimer()
211 spin_unlock_irq(&tsk->sighand->siglock); in set_cpu_itimer()
235 spin_lock_irq(&tsk->sighand->siglock); in do_setitimer()
244 spin_unlock_irq(&tsk->sighand->siglock); in do_setitimer()
257 spin_unlock_irq(&tsk->sighand->siglock); in do_setitimer()
H A Dposix-cpu-timers.c474 struct sighand_struct *sighand; in posix_cpu_timer_del() local
488 sighand = lock_task_sighand(p, &flags); in posix_cpu_timer_del()
489 if (unlikely(sighand == NULL)) { in posix_cpu_timer_del()
629 struct sighand_struct *sighand; in posix_cpu_timer_set() local
655 sighand = lock_task_sighand(p, &flags); in posix_cpu_timer_set()
660 if (unlikely(sighand == NULL)) { in posix_cpu_timer_set()
1019 struct sighand_struct *sighand; in posix_cpu_timer_rearm() local
1029 sighand = lock_task_sighand(p, &flags); in posix_cpu_timer_rearm()
1030 if (unlikely(sighand == NULL)) in posix_cpu_timer_rearm()
H A Dposix-timers.c345 spin_unlock(&current->sighand->siglock); in posixtimer_deliver_signal()
352 spin_lock(&current->sighand->siglock); in posixtimer_deliver_signal()
554 guard(spinlock)(&current->sighand->siglock); in do_timer_create()
1042 scoped_guard (spinlock, &current->sighand->siglock) { in posix_timer_delete()
1090 scoped_guard (spinlock_irq, &tsk->sighand->siglock) in exit_itimers()
/linux/fs/proc/
H A Dtask_nommu.c65 if (current->sighand && refcount_read(&current->sighand->count) > 1) in task_mem()
66 sbytes += kobjsize(current->sighand); in task_mem()
68 bytes += kobjsize(current->sighand); in task_mem()
/linux/include/linux/sched/
H A Dsignal.h294 spin_lock_irq(&task->sighand->siglock); in kernel_dequeue_signal()
296 spin_unlock_irq(&task->sighand->siglock); in kernel_dequeue_signal()
303 spin_lock_irq(&current->sighand->siglock); in kernel_signal_stop()
308 spin_unlock_irq(&current->sighand->siglock); in kernel_signal_stop()
749 (void)__cond_lock(&task->sighand->siglock, ret); in lock_task_sighand()
756 spin_unlock_irqrestore(&task->sighand->siglock, *flags); in unlock_task_sighand()
H A Dcputime.h96 if (unlikely(!tsk->sighand)) in get_running_cputimer()
/linux/arch/x86/kernel/fpu/
H A Dcore.c231 spin_lock_irq(&current->sighand->siglock); in fpu_lock_guest_permissions()
238 spin_unlock_irq(&current->sighand->siglock); in fpu_lock_guest_permissions()
598 spin_lock_irq(&current->sighand->siglock); in fpu_inherit_perms()
602 spin_unlock_irq(&current->sighand->siglock); in fpu_inherit_perms()
H A Dxstate.c1655 lockdep_assert_held(&current->sighand->siglock); in validate_sigaltstack()
1749 spin_lock_irq(&current->sighand->siglock); in xstate_request_perm()
1757 spin_unlock_irq(&current->sighand->siglock); in xstate_request_perm()
1775 spin_lock_irq(&current->sighand->siglock); in __xfd_enable_feature()
1779 spin_unlock_irq(&current->sighand->siglock); in __xfd_enable_feature()
1794 spin_unlock_irq(&current->sighand->siglock); in __xfd_enable_feature()
/linux/kernel/cgroup/
H A Dfreezer.c140 spin_lock(&current->sighand->siglock); in cgroup_leave_frozen()
143 spin_unlock(&current->sighand->siglock); in cgroup_leave_frozen()
/linux/tools/perf/util/bpf_skel/
H A Dlock_contention.bpf.c368 struct sighand_struct *sighand; in check_lock_type() local
390 sighand = curr->sighand; in check_lock_type()
392 if (sighand && &sighand->siglock == (void *)lock) in check_lock_type()
/linux/fs/coda/
H A Dupcall.c618 spin_lock_irq(&current->sighand->siglock); in coda_block_signals()
627 spin_unlock_irq(&current->sighand->siglock); in coda_block_signals()
632 spin_lock_irq(&current->sighand->siglock); in coda_unblock_signals()
635 spin_unlock_irq(&current->sighand->siglock); in coda_unblock_signals()
/linux/tools/perf/util/bpf_skel/vmlinux/
H A Dvmlinux.h106 struct sighand_struct *sighand; member

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