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Diffstat (limited to 'apps/plugins/plugin_crt0.c')
-rwxr-xr-xapps/plugins/plugin_crt0.c116
1 files changed, 0 insertions, 116 deletions
diff --git a/apps/plugins/plugin_crt0.c b/apps/plugins/plugin_crt0.c
deleted file mode 100755
index e9e2bcb8aa..0000000000
--- a/apps/plugins/plugin_crt0.c
+++ /dev/null
@@ -1,116 +0,0 @@
1/***************************************************************************
2* __________ __ ___.
3* Open \______ \ ____ ____ | | _\_ |__ _______ ___
4* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7* \/ \/ \/ \/ \/
8* $Id$
9*
10* Copyright (C) 2010 by Thomas Martitz
11*
12* This program is free software; you can redistribute it and/or
13* modify it under the terms of the GNU General Public License
14* as published by the Free Software Foundation; either version 2
15* of the License, or (at your option) any later version.
16*
17* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18* KIND, either express or implied.
19*
20****************************************************************************/
21
22
23#include "plugin.h"
24#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
25#include "../codecs/lib/setjmp.h"
26#else
27#include <setjmp.h>
28#endif
29
30PLUGIN_HEADER
31
32/*
33 * EXIT_MAGIC magic, because 0 cannot be used due to setjmp()
34 * must be > 0
35 */
36#define EXIT_MAGIC 0x0CDEBABE
37
38extern enum plugin_status plugin_start(const void*);
39
40static jmp_buf __exit_env;
41/* only 1 atexit handler for now, chain in the exit handler if you need more */
42static void (*atexit_handler)(void);
43
44int atexit(void (*fn)(void))
45{
46 if (atexit_handler)
47 return -1;
48 atexit_handler = fn;
49 return 0;
50}
51
52void exit(int status)
53{ /* jump back in time to before starting the plugin */
54 longjmp(__exit_env, status != 0 ? status : EXIT_MAGIC);
55}
56
57void _exit(int status)
58{ /* don't call exit handler */
59 atexit_handler = NULL;
60 exit(status);
61}
62
63enum plugin_status plugin__start(const void *param)
64{
65 int exit_ret;
66 enum plugin_status ret;
67
68 /* we come back here if exit() was called or the plugin returned normally */
69 exit_ret = setjmp(__exit_env);
70 if (exit_ret == 0)
71 { /* start the plugin */
72 ret = plugin_start(param);
73 }
74 else
75 { /* plugin exit via exit() */
76 if (exit_ret == EXIT_MAGIC)
77 { /* exit(EXIT_SUCCESS) */
78 ret = PLUGIN_OK;
79 }
80 else if (exit_ret < INTERNAL_PLUGIN_RETVAL_START)
81 { /* exit(EXIT_FAILURE) */
82 ret = PLUGIN_ERROR;
83 }
84 else
85 { /* exit(PLUGIN_XXX) */
86 ret = (enum plugin_status)exit_ret;
87 }
88 }
89
90 /* before finishing, call the exit handler if there was one */
91 if (atexit_handler != NULL)
92 atexit_handler();
93
94 return ret;
95}
96
97static void cleanup_wrapper(void *param)
98{
99 (void)param;
100 if (atexit_handler)
101 atexit_handler();
102}
103
104void exit_on_usb(int button)
105{ /* the default handler will call the exit handler before
106 * showing the usb screen; after that we don't want the exit handler
107 * to be called a second time, hence _exit()
108 *
109 * if not usb, then the handler will only be called if powering off
110 * if poweroff, the plugin doesn't want to run any further so exit as well*/
111 long result = rb->default_event_handler_ex(button, cleanup_wrapper, NULL);
112 if (result == SYS_USB_CONNECTED)
113 _exit(PLUGIN_USB_CONNECTED);
114 else if (result == SYS_POWEROFF)
115 _exit(PLUGIN_POWEROFF);
116}