| 1 | /* Copyright (C) 2010-2020 The RetroArch team |
| 2 | * |
| 3 | * --------------------------------------------------------------------------------------- |
| 4 | * The following license statement only applies to this file (rtime.c). |
| 5 | * --------------------------------------------------------------------------------------- |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, |
| 8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation the rights to |
| 10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
| 16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #ifdef HAVE_THREADS |
| 24 | #include <rthreads/rthreads.h> |
| 25 | #include <retro_assert.h> |
| 26 | #include <stdlib.h> |
| 27 | #endif |
| 28 | |
| 29 | #include <string.h> |
| 30 | #include <time/rtime.h> |
| 31 | |
| 32 | #ifdef HAVE_THREADS |
| 33 | /* TODO/FIXME - global */ |
| 34 | slock_t *rtime_localtime_lock = NULL; |
| 35 | #endif |
| 36 | |
| 37 | /* Must be called before using rtime_localtime() */ |
| 38 | void rtime_init(void) |
| 39 | { |
| 40 | rtime_deinit(); |
| 41 | #ifdef HAVE_THREADS |
| 42 | if (!rtime_localtime_lock) |
| 43 | rtime_localtime_lock = slock_new(); |
| 44 | |
| 45 | retro_assert(rtime_localtime_lock); |
| 46 | #endif |
| 47 | } |
| 48 | |
| 49 | /* Must be called upon program termination */ |
| 50 | void rtime_deinit(void) |
| 51 | { |
| 52 | #ifdef HAVE_THREADS |
| 53 | if (rtime_localtime_lock) |
| 54 | { |
| 55 | slock_free(rtime_localtime_lock); |
| 56 | rtime_localtime_lock = NULL; |
| 57 | } |
| 58 | #endif |
| 59 | } |
| 60 | |
| 61 | /* Thread-safe wrapper for localtime() */ |
| 62 | struct tm *rtime_localtime(const time_t *timep, struct tm *result) |
| 63 | { |
| 64 | struct tm *time_info = NULL; |
| 65 | |
| 66 | /* Lock mutex */ |
| 67 | #ifdef HAVE_THREADS |
| 68 | slock_lock(rtime_localtime_lock); |
| 69 | #endif |
| 70 | |
| 71 | time_info = localtime(timep); |
| 72 | if (time_info) |
| 73 | memcpy(result, time_info, sizeof(struct tm)); |
| 74 | |
| 75 | /* Unlock mutex */ |
| 76 | #ifdef HAVE_THREADS |
| 77 | slock_unlock(rtime_localtime_lock); |
| 78 | #endif |
| 79 | |
| 80 | return result; |
| 81 | } |