| /kernel/ |
| D | signal.c | 56 static void __user *sig_handler(struct task_struct *t, int sig) in sig_handler() argument
58 return t->sighand->action[sig - 1].sa.sa_handler; in sig_handler()
61 static int sig_handler_ignored(void __user *handler, int sig) in sig_handler_ignored() argument
65 (handler == SIG_DFL && sig_kernel_ignore(sig)); in sig_handler_ignored()
68 static int sig_task_ignored(struct task_struct *t, int sig, bool force) in sig_task_ignored() argument
72 handler = sig_handler(t, sig); in sig_task_ignored()
75 handler == SIG_DFL && !(force && sig_kernel_only(sig))) in sig_task_ignored()
78 return sig_handler_ignored(handler, sig); in sig_task_ignored()
81 static int sig_ignored(struct task_struct *t, int sig, bool force) in sig_ignored() argument
88 if (sigismember(&t->blocked, sig) || sigismember(&t->real_blocked, sig)) in sig_ignored()
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| D | exit.c | 87 struct signal_struct *sig = tsk->signal; in __exit_signal() local
100 tty = sig->tty; in __exit_signal()
101 sig->tty = NULL; in __exit_signal()
115 if (sig->notify_count > 0 && !--sig->notify_count) in __exit_signal()
116 wake_up_process(sig->group_exit_task); in __exit_signal()
118 if (tsk == sig->curr_target) in __exit_signal()
119 sig->curr_target = next_thread(tsk); in __exit_signal()
129 write_seqlock(&sig->stats_lock); in __exit_signal()
130 sig->utime += utime; in __exit_signal()
131 sig->stime += stime; in __exit_signal()
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| D | fork.c | 363 static inline void free_signal_struct(struct signal_struct *sig) in free_signal_struct() argument
365 taskstats_tgid_free(sig); in free_signal_struct()
366 sched_autogroup_exit(sig); in free_signal_struct()
371 if (sig->oom_mm) in free_signal_struct()
372 mmdrop_async(sig->oom_mm); in free_signal_struct()
373 kmem_cache_free(signal_cachep, sig); in free_signal_struct()
376 static inline void put_signal_struct(struct signal_struct *sig) in put_signal_struct() argument
378 if (atomic_dec_and_test(&sig->sigcnt)) in put_signal_struct()
379 free_signal_struct(sig); in put_signal_struct()
1292 struct sighand_struct *sig; in copy_sighand() local
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| D | compat.c | 398 memcpy(blocked->sig, &set, sizeof(set)); in compat_sig_setmask()
408 old_set = current->blocked.sig[0]; in COMPAT_SYSCALL_DEFINE3()
977 case 4: set->sig[3] = compat->sig[6] | (((long)compat->sig[7]) << 32 ); in sigset_from_compat()
978 case 3: set->sig[2] = compat->sig[4] | (((long)compat->sig[5]) << 32 ); in sigset_from_compat()
979 case 2: set->sig[1] = compat->sig[2] | (((long)compat->sig[3]) << 32 ); in sigset_from_compat()
980 case 1: set->sig[0] = compat->sig[0] | (((long)compat->sig[1]) << 32 ); in sigset_from_compat()
989 case 4: compat->sig[7] = (set->sig[3] >> 32); compat->sig[6] = set->sig[3]; in sigset_to_compat()
990 case 3: compat->sig[5] = (set->sig[2] >> 32); compat->sig[4] = set->sig[2]; in sigset_to_compat()
991 case 2: compat->sig[3] = (set->sig[1] >> 32); compat->sig[2] = set->sig[1]; in sigset_to_compat()
992 case 1: compat->sig[1] = (set->sig[0] >> 32); compat->sig[0] = set->sig[0]; in sigset_to_compat()
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| D | taskstats.c | 561 struct signal_struct *sig = tsk->signal; in taskstats_tgid_alloc() local
564 if (sig->stats || thread_group_empty(tsk)) in taskstats_tgid_alloc()
571 if (!sig->stats) { in taskstats_tgid_alloc()
572 sig->stats = stats; in taskstats_tgid_alloc()
580 return sig->stats; in taskstats_tgid_alloc()
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| D | audit.h | 337 extern int __audit_signal_info(int sig, struct task_struct *t);
338 static inline int audit_signal_info(int sig, struct task_struct *t) in audit_signal_info() argument
342 return __audit_signal_info(sig, t); in audit_signal_info()
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| D | notifier.c | 537 struct pt_regs *regs, long err, int trap, int sig) in notify_die() argument
544 .signr = sig, in notify_die()
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| D | auditsc.c | 2239 int __audit_signal_info(int sig, struct task_struct *t) in __audit_signal_info() argument
2247 if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1 || sig == SIGUSR2) { in __audit_signal_info()
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| /kernel/time/ |
| D | posix-cpu-timers.c | 832 struct signal_struct *const sig = tsk->signal; in check_thread_timers() local
856 soft = READ_ONCE(sig->rlim[RLIMIT_RTTIME].rlim_cur); in check_thread_timers()
859 READ_ONCE(sig->rlim[RLIMIT_RTTIME].rlim_max); in check_thread_timers()
876 sig->rlim[RLIMIT_RTTIME].rlim_cur = soft; in check_thread_timers()
888 static inline void stop_process_timers(struct signal_struct *sig) in stop_process_timers() argument
890 struct thread_group_cputimer *cputimer = &sig->cputimer; in stop_process_timers()
894 tick_dep_clear_signal(sig, TICK_DEP_BIT_POSIX_TIMER); in stop_process_timers()
937 struct signal_struct *const sig = tsk->signal; in check_process_timers() local
940 struct list_head *timers = sig->cpu_timers; in check_process_timers()
955 sig->cputimer.checking_timer = true; in check_process_timers()
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| D | posix-timers.c | 150 static int hash(struct signal_struct *sig, unsigned int nr) in hash() argument
152 return hash_32(hash32_ptr(sig) ^ nr, HASH_BITS(posix_timers_hashtable)); in hash()
156 struct signal_struct *sig, in __posix_timers_find() argument
162 if ((timer->it_signal == sig) && (timer->it_id == id)) in __posix_timers_find()
170 struct signal_struct *sig = current->signal; in posix_timer_by_id() local
171 struct hlist_head *head = &posix_timers_hashtable[hash(sig, id)]; in posix_timer_by_id()
173 return __posix_timers_find(head, sig, id); in posix_timer_by_id()
178 struct signal_struct *sig = current->signal; in posix_timer_add() local
179 int first_free_id = sig->posix_timer_id; in posix_timer_add()
185 head = &posix_timers_hashtable[hash(sig, sig->posix_timer_id)]; in posix_timer_add()
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| D | itimer.c | 123 struct signal_struct *sig = in it_real_fn() local
126 trace_itimer_expire(ITIMER_REAL, sig->leader_pid, 0); in it_real_fn()
127 kill_pid_info(SIGALRM, SEND_SIG_PRIV, sig->leader_pid); in it_real_fn()
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| D | tick-sched.c | 342 void tick_nohz_dep_set_signal(struct signal_struct *sig, enum tick_dep_bits bit) in tick_nohz_dep_set_signal() argument
344 tick_nohz_dep_set_all(&sig->tick_dep_mask, bit); in tick_nohz_dep_set_signal()
347 void tick_nohz_dep_clear_signal(struct signal_struct *sig, enum tick_dep_bits bit) in tick_nohz_dep_clear_signal() argument
349 atomic_andnot(BIT(bit), &sig->tick_dep_mask); in tick_nohz_dep_clear_signal()
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| /kernel/sched/ |
| D | auto_group.c | 190 void sched_autogroup_fork(struct signal_struct *sig) in sched_autogroup_fork() argument
192 sig->autogroup = autogroup_task_get(current); in sched_autogroup_fork()
195 void sched_autogroup_exit(struct signal_struct *sig) in sched_autogroup_exit() argument
197 autogroup_kref_put(sig->autogroup); in sched_autogroup_exit()
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| D | cputime.c | 352 struct signal_struct *sig = tsk->signal; in thread_group_cputime() local
374 flags = read_seqbegin_or_lock_irqsave(&sig->stats_lock, &seq); in thread_group_cputime()
375 times->utime = sig->utime; in thread_group_cputime()
376 times->stime = sig->stime; in thread_group_cputime()
377 times->sum_exec_runtime = sig->sum_sched_runtime; in thread_group_cputime()
387 } while (need_seqretry(&sig->stats_lock, seq)); in thread_group_cputime()
388 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
312 if (!memcmp("SWAP-SPACE",swsusp_header->sig, 10) || in mark_swapfiles()
313 !memcmp("SWAPSPACE2",swsusp_header->sig, 10)) { in mark_swapfiles()
314 memcpy(swsusp_header->orig_sig,swsusp_header->sig, 10); in mark_swapfiles()
315 memcpy(swsusp_header->sig, HIBERNATE_SIG, 10); in mark_swapfiles()
1543 if (!memcmp(HIBERNATE_SIG, swsusp_header->sig, 10)) { in swsusp_check()
1544 memcpy(swsusp_header->sig, swsusp_header->orig_sig, 10); in swsusp_check()
1593 if (!memcmp(HIBERNATE_SIG,swsusp_header->sig, 10)) { in swsusp_unmark()
1594 memcpy(swsusp_header->sig,swsusp_header->orig_sig, 10); in swsusp_unmark()
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| /kernel/debug/kdb/ |
| D | kdb_main.c | 2439 long sig, pid; in kdb_kill() local
2447 sig = simple_strtol(argv[1], &endp, 0); in kdb_kill()
2450 if (sig >= 0) { in kdb_kill()
2454 sig = -sig; in kdb_kill()
2471 info.si_signo = sig; in kdb_kill()
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