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7adcbafe | 1 | /* Copyright (C) 2002-2022 Free Software Foundation, Inc. |
806dd047 CG |
2 | |
3 | This file is part of GCC. | |
4 | ||
5 | GCC is free software; you can redistribute it and/or modify it under | |
6 | the terms of the GNU General Public License as published by the Free | |
7 | Software Foundation; either version 3, or (at your option) any later | |
8 | version. | |
9 | ||
10 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
11 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 | for more details. | |
14 | ||
15 | Under Section 7 of GPL version 3, you are granted additional | |
16 | permissions described in the GCC Runtime Library Exception, version | |
17 | 3.1, as published by the Free Software Foundation. | |
18 | ||
19 | You should have received a copy of the GNU General Public License and | |
20 | a copy of the GCC Runtime Library Exception along with this program; | |
21 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
22 | <http://www.gnu.org/licenses/>. */ | |
23 | ||
24 | /* Threads compatibility routines for libgcc2 for VxWorks. | |
25 | ||
26 | This file implements the GTHREAD_HAS_COND part of the interface | |
27 | exposed by gthr-vxworks.h. */ | |
28 | ||
ad1a9afc RV |
29 | #include "gthr.h" |
30 | ||
e94d5836 RV |
31 | #if __GTHREAD_HAS_COND |
32 | ||
806dd047 CG |
33 | #include <taskLib.h> |
34 | ||
35 | /* --------------------------- Condition Variables ------------------------ */ | |
36 | ||
37 | void | |
38 | __gthread_cond_init (__gthread_cond_t *cond) | |
39 | { | |
40 | if (!cond) | |
41 | return; | |
42 | *cond = semBCreate (SEM_Q_FIFO, SEM_EMPTY); | |
43 | } | |
44 | ||
45 | int | |
46 | __gthread_cond_destroy (__gthread_cond_t *cond) | |
47 | { | |
48 | if (!cond) | |
49 | return ERROR; | |
50 | return __CHECK_RESULT (semDelete (*cond)); | |
51 | } | |
52 | ||
53 | int | |
54 | __gthread_cond_broadcast (__gthread_cond_t *cond) | |
55 | { | |
56 | if (!cond) | |
57 | return ERROR; | |
58 | ||
59 | return __CHECK_RESULT (semFlush (*cond)); | |
60 | } | |
61 | ||
62 | int | |
63 | __gthread_cond_wait (__gthread_cond_t *cond, | |
64 | __gthread_mutex_t *mutex) | |
65 | { | |
66 | if (!cond) | |
67 | return ERROR; | |
68 | ||
69 | if (!mutex) | |
70 | return ERROR; | |
71 | ||
8f8cba46 | 72 | int ret = __CHECK_RESULT (semExchange (*mutex, *cond, WAIT_FOREVER)); |
806dd047 CG |
73 | |
74 | __RETURN_ERRNO_IF_NOT_OK (semTake (*mutex, WAIT_FOREVER)); | |
75 | ||
8f8cba46 | 76 | return ret; |
806dd047 CG |
77 | } |
78 | ||
79 | int | |
80 | __gthread_cond_wait_recursive (__gthread_cond_t *cond, | |
81 | __gthread_recursive_mutex_t *mutex) | |
82 | { | |
83 | return __gthread_cond_wait (cond, mutex); | |
84 | } | |
e94d5836 RV |
85 | |
86 | #endif |