| /kernel/ |
| D | signal.c | 69 static void __user *sig_handler(struct task_struct *t, int sig) in sig_handler() argument
71 return t->sighand->action[sig - 1].sa.sa_handler; in sig_handler()
74 static inline bool sig_handler_ignored(void __user *handler, int sig) in sig_handler_ignored() argument
78 (handler == SIG_DFL && sig_kernel_ignore(sig)); in sig_handler_ignored()
81 static bool sig_task_ignored(struct task_struct *t, int sig, bool force) in sig_task_ignored() argument
85 handler = sig_handler(t, sig); in sig_task_ignored()
88 if (unlikely(is_global_init(t) && sig_kernel_only(sig))) in sig_task_ignored()
92 handler == SIG_DFL && !(force && sig_kernel_only(sig))) in sig_task_ignored()
100 return sig_handler_ignored(handler, sig); in sig_task_ignored()
103 static bool sig_ignored(struct task_struct *t, int sig, bool force) in sig_ignored() argument
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| D | exit.c | 142 struct signal_struct *sig = tsk->signal; in __exit_signal() local
159 tty = sig->tty; in __exit_signal()
160 sig->tty = NULL; in __exit_signal()
166 if (sig->notify_count > 0 && !--sig->notify_count) in __exit_signal()
167 wake_up_process(sig->group_exit_task); in __exit_signal()
169 if (tsk == sig->curr_target) in __exit_signal()
170 sig->curr_target = next_thread(tsk); in __exit_signal()
183 write_seqlock(&sig->stats_lock); in __exit_signal()
184 sig->utime += utime; in __exit_signal()
185 sig->stime += stime; in __exit_signal()
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| D | compat.c | 37 memcpy(blocked->sig, &set, sizeof(set)); in compat_sig_setmask()
47 old_set = current->blocked.sig[0]; in COMPAT_SYSCALL_DEFINE3()
257 case 4: set->sig[3] = v.sig[6] | (((long)v.sig[7]) << 32 ); in get_compat_sigset()
259 case 3: set->sig[2] = v.sig[4] | (((long)v.sig[5]) << 32 ); in get_compat_sigset()
261 case 2: set->sig[1] = v.sig[2] | (((long)v.sig[3]) << 32 ); in get_compat_sigset()
263 case 1: set->sig[0] = v.sig[0] | (((long)v.sig[1]) << 32 ); in get_compat_sigset()
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| D | rseq.c | 127 u32 sig; in rseq_get_rseq_cs() local
160 ret = get_user(sig, usig); in rseq_get_rseq_cs()
164 if (current->rseq_sig != sig) { in rseq_get_rseq_cs()
167 sig, current->rseq_sig, current->pid, usig); in rseq_get_rseq_cs()
281 int ret, sig; in __rseq_handle_notify_resume() local
301 sig = ksig ? ksig->sig : 0; in __rseq_handle_notify_resume()
302 force_sigsegv(sig); in __rseq_handle_notify_resume()
329 int, flags, u32, sig) in SYSCALL_DEFINE4() argument
341 if (current->rseq_sig != sig) in SYSCALL_DEFINE4()
362 if (current->rseq_sig != sig) in SYSCALL_DEFINE4()
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| D | fork.c | 774 static inline void free_signal_struct(struct signal_struct *sig) in free_signal_struct() argument
776 taskstats_tgid_free(sig); in free_signal_struct()
777 sched_autogroup_exit(sig); in free_signal_struct()
782 if (sig->oom_mm) in free_signal_struct()
783 mmdrop_async(sig->oom_mm); in free_signal_struct()
784 kmem_cache_free(signal_cachep, sig); in free_signal_struct()
787 static inline void put_signal_struct(struct signal_struct *sig) in put_signal_struct() argument
789 if (refcount_dec_and_test(&sig->sigcnt)) in put_signal_struct()
790 free_signal_struct(sig); in put_signal_struct()
1656 struct sighand_struct *sig; in copy_sighand() local
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| D | taskstats.c | 552 struct signal_struct *sig = tsk->signal; in taskstats_tgid_alloc() local
556 stats = smp_load_acquire(&sig->stats); in taskstats_tgid_alloc()
564 stats = sig->stats; in taskstats_tgid_alloc()
570 smp_store_release(&sig->stats, stats_new); in taskstats_tgid_alloc()
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| D | notifier.c | 517 struct pt_regs *regs, long err, int trap, int sig) in notify_die() argument
524 .signr = sig, in notify_die()
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| D | audit.c | 2399 int audit_signal_info(int sig, struct task_struct *t) in audit_signal_info() argument
2404 (sig == SIGTERM || sig == SIGHUP || in audit_signal_info()
2405 sig == SIGUSR1 || sig == SIGUSR2)) { in audit_signal_info()
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| /kernel/time/ |
| D | posix-timers.c | 113 static int hash(struct signal_struct *sig, unsigned int nr) in hash() argument
115 return hash_32(hash32_ptr(sig) ^ nr, HASH_BITS(posix_timers_hashtable)); in hash()
119 struct signal_struct *sig, in __posix_timers_find() argument
126 if ((timer->it_signal == sig) && (timer->it_id == id)) in __posix_timers_find()
134 struct signal_struct *sig = current->signal; in posix_timer_by_id() local
135 struct hlist_head *head = &posix_timers_hashtable[hash(sig, id)]; in posix_timer_by_id()
137 return __posix_timers_find(head, sig, id); in posix_timer_by_id()
142 struct signal_struct *sig = current->signal; in posix_timer_add() local
143 int first_free_id = sig->posix_timer_id; in posix_timer_add()
149 head = &posix_timers_hashtable[hash(sig, sig->posix_timer_id)]; in posix_timer_add()
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| D | posix-cpu-timers.c | 932 static inline void stop_process_timers(struct signal_struct *sig) in stop_process_timers() argument
934 struct posix_cputimers *pct = &sig->posix_cputimers; in stop_process_timers()
938 tick_dep_clear_signal(sig, TICK_DEP_BIT_POSIX_TIMER); in stop_process_timers()
971 struct signal_struct *const sig = tsk->signal; in check_process_timers() local
972 struct posix_cputimers *pct = &sig->posix_cputimers; in check_process_timers()
994 proc_sample_cputime_atomic(&sig->cputimer.cputime_atomic, samples); in check_process_timers()
1000 check_cpu_itimer(tsk, &sig->it[CPUCLOCK_PROF], in check_process_timers()
1003 check_cpu_itimer(tsk, &sig->it[CPUCLOCK_VIRT], in check_process_timers()
1022 sig->rlim[RLIMIT_CPU].rlim_cur = soft + 1; in check_process_timers()
1032 stop_process_timers(sig); in check_process_timers()
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| D | tick-sched.c | 503 struct signal_struct *sig = tsk->signal; in tick_nohz_dep_set_signal() local
505 prev = atomic_fetch_or(BIT(bit), &sig->tick_dep_mask); in tick_nohz_dep_set_signal()
510 __for_each_thread(sig, t) in tick_nohz_dep_set_signal()
515 void tick_nohz_dep_clear_signal(struct signal_struct *sig, enum tick_dep_bits bit) in tick_nohz_dep_clear_signal() argument
517 atomic_andnot(BIT(bit), &sig->tick_dep_mask); in tick_nohz_dep_clear_signal()
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| D | itimer.c | 158 struct signal_struct *sig = in it_real_fn() local
160 struct pid *leader_pid = sig->pids[PIDTYPE_TGID]; in it_real_fn()
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| /kernel/sched/ |
| D | autogroup.c | 188 void sched_autogroup_fork(struct signal_struct *sig) in sched_autogroup_fork() argument
190 sig->autogroup = autogroup_task_get(current); in sched_autogroup_fork()
193 void sched_autogroup_exit(struct signal_struct *sig) in sched_autogroup_exit() argument
195 autogroup_kref_put(sig->autogroup); in sched_autogroup_exit()
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| D | cputime.c | 316 struct signal_struct *sig = tsk->signal; in thread_group_cputime() local
338 flags = read_seqbegin_or_lock_irqsave(&sig->stats_lock, &seq); in thread_group_cputime()
339 times->utime = sig->utime; in thread_group_cputime()
340 times->stime = sig->stime; in thread_group_cputime()
341 times->sum_exec_runtime = sig->sum_sched_runtime; in thread_group_cputime()
351 } while (need_seqretry(&sig->stats_lock, seq)); in thread_group_cputime()
352 done_seqretry_irqrestore(&sig->stats_lock, seq, flags); in thread_group_cputime()
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| /kernel/power/ |
| D | swap.c | 112 char sig[10]; member
322 if (!memcmp("SWAP-SPACE",swsusp_header->sig, 10) || in mark_swapfiles()
323 !memcmp("SWAPSPACE2",swsusp_header->sig, 10)) { in mark_swapfiles()
324 memcpy(swsusp_header->orig_sig,swsusp_header->sig, 10); in mark_swapfiles()
325 memcpy(swsusp_header->sig, HIBERNATE_SIG, 10); in mark_swapfiles()
1537 if (!memcmp(HIBERNATE_SIG, swsusp_header->sig, 10)) { in swsusp_check()
1538 memcpy(swsusp_header->sig, swsusp_header->orig_sig, 10); in swsusp_check()
1587 if (!memcmp(HIBERNATE_SIG,swsusp_header->sig, 10)) { in swsusp_unmark()
1588 memcpy(swsusp_header->sig,swsusp_header->orig_sig, 10); in swsusp_unmark()
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| /kernel/trace/ |
| D | bpf_trace.c | 768 u32 sig; member
779 group_send_sig_info(work->sig, SEND_SIG_PRIV, work->task, work->type); in do_bpf_send_signal()
783 static int bpf_send_signal_common(u32 sig, enum pid_type type) in bpf_send_signal_common() argument
806 if (unlikely(!valid_signal(sig))) in bpf_send_signal_common()
818 work->sig = sig; in bpf_send_signal_common()
824 return group_send_sig_info(sig, SEND_SIG_PRIV, current, type); in bpf_send_signal_common()
827 BPF_CALL_1(bpf_send_signal, u32, sig) in BPF_CALL_1() argument
829 return bpf_send_signal_common(sig, PIDTYPE_TGID); in BPF_CALL_1()
839 BPF_CALL_1(bpf_send_signal_thread, u32, sig) in BPF_CALL_1() argument
841 return bpf_send_signal_common(sig, PIDTYPE_PID); in BPF_CALL_1()
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| /kernel/debug/kdb/ |
| D | kdb_main.c | 2490 long sig, pid; in kdb_kill() local
2497 sig = simple_strtol(argv[1], &endp, 0); in kdb_kill()
2500 if ((sig >= 0) || !valid_signal(-sig)) { in kdb_kill()
2504 sig = -sig; in kdb_kill()
2521 kdb_send_sig(p, sig); in kdb_kill()
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| D | kdb_private.h | 197 extern void kdb_send_sig(struct task_struct *p, int sig);
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