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author | Franklin Wei <git@fwei.tk> | 2018-02-07 20:04:46 -0500 |
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committer | Franklin Wei <git@fwei.tk> | 2018-03-12 20:52:01 -0400 |
commit | 6039eb05ba6d82ef56f2868c96654c552d117bf9 (patch) | |
tree | 9db7016bcbf66cfdf7b9bc998d84c6eaff9c8378 /apps/plugins/sdl/src/thread/pthread/SDL_syscond.c | |
parent | ef373c03b96b0be08babca581d9f10bccfd4931f (diff) | |
download | rockbox-6039eb05ba6d82ef56f2868c96654c552d117bf9.tar.gz rockbox-6039eb05ba6d82ef56f2868c96654c552d117bf9.zip |
sdl: remove non-rockbox drivers
We never use any of these other drivers, so having them around just takes
up space.
Change-Id: Iced812162df1fef3fd55522b7e700acb6c3bcd41
Diffstat (limited to 'apps/plugins/sdl/src/thread/pthread/SDL_syscond.c')
-rw-r--r-- | apps/plugins/sdl/src/thread/pthread/SDL_syscond.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/apps/plugins/sdl/src/thread/pthread/SDL_syscond.c b/apps/plugins/sdl/src/thread/pthread/SDL_syscond.c deleted file mode 100644 index 15bce96614..0000000000 --- a/apps/plugins/sdl/src/thread/pthread/SDL_syscond.c +++ /dev/null | |||
@@ -1,155 +0,0 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | #include <sys/time.h> | ||
25 | #include <unistd.h> | ||
26 | #include <errno.h> | ||
27 | #include <pthread.h> | ||
28 | |||
29 | #include "SDL_thread.h" | ||
30 | #include "SDL_sysmutex_c.h" | ||
31 | |||
32 | struct SDL_cond | ||
33 | { | ||
34 | pthread_cond_t cond; | ||
35 | }; | ||
36 | |||
37 | /* Create a condition variable */ | ||
38 | SDL_cond * SDL_CreateCond(void) | ||
39 | { | ||
40 | SDL_cond *cond; | ||
41 | |||
42 | cond = (SDL_cond *) SDL_malloc(sizeof(SDL_cond)); | ||
43 | if ( cond ) { | ||
44 | if ( pthread_cond_init(&cond->cond, NULL) < 0 ) { | ||
45 | SDL_SetError("pthread_cond_init() failed"); | ||
46 | SDL_free(cond); | ||
47 | cond = NULL; | ||
48 | } | ||
49 | } | ||
50 | return(cond); | ||
51 | } | ||
52 | |||
53 | /* Destroy a condition variable */ | ||
54 | void SDL_DestroyCond(SDL_cond *cond) | ||
55 | { | ||
56 | if ( cond ) { | ||
57 | pthread_cond_destroy(&cond->cond); | ||
58 | SDL_free(cond); | ||
59 | } | ||
60 | } | ||
61 | |||
62 | /* Restart one of the threads that are waiting on the condition variable */ | ||
63 | int SDL_CondSignal(SDL_cond *cond) | ||
64 | { | ||
65 | int retval; | ||
66 | |||
67 | if ( ! cond ) { | ||
68 | SDL_SetError("Passed a NULL condition variable"); | ||
69 | return -1; | ||
70 | } | ||
71 | |||
72 | retval = 0; | ||
73 | if ( pthread_cond_signal(&cond->cond) != 0 ) { | ||
74 | SDL_SetError("pthread_cond_signal() failed"); | ||
75 | retval = -1; | ||
76 | } | ||
77 | return retval; | ||
78 | } | ||
79 | |||
80 | /* Restart all threads that are waiting on the condition variable */ | ||
81 | int SDL_CondBroadcast(SDL_cond *cond) | ||
82 | { | ||
83 | int retval; | ||
84 | |||
85 | if ( ! cond ) { | ||
86 | SDL_SetError("Passed a NULL condition variable"); | ||
87 | return -1; | ||
88 | } | ||
89 | |||
90 | retval = 0; | ||
91 | if ( pthread_cond_broadcast(&cond->cond) != 0 ) { | ||
92 | SDL_SetError("pthread_cond_broadcast() failed"); | ||
93 | retval = -1; | ||
94 | } | ||
95 | return retval; | ||
96 | } | ||
97 | |||
98 | int SDL_CondWaitTimeout(SDL_cond *cond, SDL_mutex *mutex, Uint32 ms) | ||
99 | { | ||
100 | int retval; | ||
101 | struct timeval delta; | ||
102 | struct timespec abstime; | ||
103 | |||
104 | if ( ! cond ) { | ||
105 | SDL_SetError("Passed a NULL condition variable"); | ||
106 | return -1; | ||
107 | } | ||
108 | |||
109 | gettimeofday(&delta, NULL); | ||
110 | |||
111 | abstime.tv_sec = delta.tv_sec + (ms/1000); | ||
112 | abstime.tv_nsec = (delta.tv_usec + (ms%1000) * 1000) * 1000; | ||
113 | if ( abstime.tv_nsec > 1000000000 ) { | ||
114 | abstime.tv_sec += 1; | ||
115 | abstime.tv_nsec -= 1000000000; | ||
116 | } | ||
117 | |||
118 | tryagain: | ||
119 | retval = pthread_cond_timedwait(&cond->cond, &mutex->id, &abstime); | ||
120 | switch (retval) { | ||
121 | case EINTR: | ||
122 | goto tryagain; | ||
123 | break; | ||
124 | case ETIMEDOUT: | ||
125 | retval = SDL_MUTEX_TIMEDOUT; | ||
126 | break; | ||
127 | case 0: | ||
128 | break; | ||
129 | default: | ||
130 | SDL_SetError("pthread_cond_timedwait() failed"); | ||
131 | retval = -1; | ||
132 | break; | ||
133 | } | ||
134 | return retval; | ||
135 | } | ||
136 | |||
137 | /* Wait on the condition variable, unlocking the provided mutex. | ||
138 | The mutex must be locked before entering this function! | ||
139 | */ | ||
140 | int SDL_CondWait(SDL_cond *cond, SDL_mutex *mutex) | ||
141 | { | ||
142 | int retval; | ||
143 | |||
144 | if ( ! cond ) { | ||
145 | SDL_SetError("Passed a NULL condition variable"); | ||
146 | return -1; | ||
147 | } | ||
148 | |||
149 | retval = 0; | ||
150 | if ( pthread_cond_wait(&cond->cond, &mutex->id) != 0 ) { | ||
151 | SDL_SetError("pthread_cond_wait() failed"); | ||
152 | retval = -1; | ||
153 | } | ||
154 | return retval; | ||
155 | } | ||