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Diffstat (limited to 'apps/plugins/lib/pluginlib_exit.h')
-rw-r--r--apps/plugins/lib/pluginlib_exit.h52
1 files changed, 27 insertions, 25 deletions
diff --git a/apps/plugins/lib/pluginlib_exit.h b/apps/plugins/lib/pluginlib_exit.h
index 411d0751d1..00cbc8dc7f 100644
--- a/apps/plugins/lib/pluginlib_exit.h
+++ b/apps/plugins/lib/pluginlib_exit.h
@@ -22,33 +22,35 @@
22#ifndef __PLUGINLIB_EXIT_H__ 22#ifndef __PLUGINLIB_EXIT_H__
23#define __PLUGINLIB_EXIT_H__ 23#define __PLUGINLIB_EXIT_H__
24 24
25/* make sure we are in sync with the real definitions, especially on 25#include "config.h"
26 * hosted systems */ 26#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
27#include <stdlib.h> 27#include "../../codecs/lib/setjmp.h"
28#include "gcc_extensions.h" 28#else
29 29#include <setjmp.h>
30/* these are actually implemented in plugin_crt0.c which all plugins link */
31extern int atexit(void (*func)(void));
32extern void exit(int status) NORETURN_ATTR;
33/* these don't call the exit handlers */
34extern void _exit(int status) NORETURN_ATTR;
35/* C99 version */
36#define _Exit _exit
37
38#ifndef EXIT_SUCCESS
39#define EXIT_SUCCESS 0
40#define EXIT_FAILURE 1
41#endif 30#endif
42 31
43/** 32#define _PLUGINLIB_EXIT_INIT(atexit) switch(setjmp(__exit_env)) \
44 * helper function to handle USB connected events coming from 33 { \
45 * button_get() 34 case 1: \
46 * 35 atexit \
47 * it will exit the plugin if usb is detected, but it will call the atexit func 36 return PLUGIN_OK; \
48 * before actually showing the usb screen 37 case 2: \
49 * 38 atexit \
50 * it additionally handles power off as well, with the same behavior 39 return PLUGIN_ERROR; \
40 case 0: \
41 default: \
42 break; \
43 }
44
45/* Either PLUGINLIB_EXIT_INIT or PLUGINLIB_EXIT_INIT_ATEXIT needs to be placed
46 * as the first line in plugin_start. The _ATEXIT version will call the named
47 * no-argument function when exit() is called before exiting the plugin, to
48 * allow for cleanup.
51 */ 49 */
52extern void exit_on_usb(int button); 50#define PLUGINLIB_EXIT_INIT _PLUGINLIB_EXIT_INIT()
51#define PLUGINLIB_EXIT_INIT_ATEXIT(atexit) _PLUGINLIB_EXIT_INIT(atexit();)
52
53extern jmp_buf __exit_env;
54#define exit(status) longjmp(__exit_env, status != 0 ? 2 : 1)
53 55
54#endif /* __PLUGINLIB_EXIT_H__ */ 56#endif /* __PLUGINLIB_EXIT_H__ */