| 1 | /* Thread command's finish-state machine, for GDB, the GNU debugger. |
| 2 | Copyright (C) 2015 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include "defs.h" |
| 20 | #include "thread-fsm.h" |
| 21 | |
| 22 | /* See thread-fsm.h. */ |
| 23 | |
| 24 | void |
| 25 | thread_fsm_ctor (struct thread_fsm *self, struct thread_fsm_ops *ops) |
| 26 | { |
| 27 | self->finished = 0; |
| 28 | self->ops = ops; |
| 29 | } |
| 30 | |
| 31 | /* See thread-fsm.h. */ |
| 32 | |
| 33 | void |
| 34 | thread_fsm_delete (struct thread_fsm *self) |
| 35 | { |
| 36 | if (self != NULL) |
| 37 | { |
| 38 | if (self->ops->dtor != NULL) |
| 39 | self->ops->dtor (self); |
| 40 | xfree (self); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | /* See thread-fsm.h. */ |
| 45 | |
| 46 | void |
| 47 | thread_fsm_clean_up (struct thread_fsm *self) |
| 48 | { |
| 49 | if (self->ops->clean_up != NULL) |
| 50 | self->ops->clean_up (self); |
| 51 | } |
| 52 | |
| 53 | /* See thread-fsm.h. */ |
| 54 | |
| 55 | int |
| 56 | thread_fsm_should_stop (struct thread_fsm *self) |
| 57 | { |
| 58 | return self->ops->should_stop (self); |
| 59 | } |
| 60 | |
| 61 | /* See thread-fsm.h. */ |
| 62 | |
| 63 | struct return_value_info * |
| 64 | thread_fsm_return_value (struct thread_fsm *self) |
| 65 | { |
| 66 | if (self->ops->return_value != NULL) |
| 67 | return self->ops->return_value (self); |
| 68 | return NULL; |
| 69 | } |
| 70 | |
| 71 | /* See thread-fsm.h. */ |
| 72 | |
| 73 | void |
| 74 | thread_fsm_set_finished (struct thread_fsm *self) |
| 75 | { |
| 76 | self->finished = 1; |
| 77 | } |
| 78 | |
| 79 | /* See thread-fsm.h. */ |
| 80 | |
| 81 | int |
| 82 | thread_fsm_finished_p (struct thread_fsm *self) |
| 83 | { |
| 84 | return self->finished; |
| 85 | } |
| 86 | |
| 87 | /* See thread-fsm.h. */ |
| 88 | |
| 89 | enum async_reply_reason |
| 90 | thread_fsm_async_reply_reason (struct thread_fsm *self) |
| 91 | { |
| 92 | /* If we didn't finish, then the stop reason must come from |
| 93 | elsewhere. E.g., a breakpoint hit or a signal intercepted. */ |
| 94 | gdb_assert (thread_fsm_finished_p (self)); |
| 95 | |
| 96 | return self->ops->async_reply_reason (self); |
| 97 | } |
| 98 | |
| 99 | /* See thread-fsm.h. */ |
| 100 | |
| 101 | int |
| 102 | thread_fsm_should_notify_stop (struct thread_fsm *self) |
| 103 | { |
| 104 | if (self->ops->should_notify_stop != NULL) |
| 105 | return self->ops->should_notify_stop (self); |
| 106 | return 1; |
| 107 | } |