diff options
Diffstat (limited to 'apps/plugins/lib/pluginlib_exit.h')
-rw-r--r-- | apps/plugins/lib/pluginlib_exit.h | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/apps/plugins/lib/pluginlib_exit.h b/apps/plugins/lib/pluginlib_exit.h index 8c7f0c437f..411d0751d1 100644 --- a/apps/plugins/lib/pluginlib_exit.h +++ b/apps/plugins/lib/pluginlib_exit.h | |||
@@ -22,31 +22,33 @@ | |||
22 | #ifndef __PLUGINLIB_EXIT_H__ | 22 | #ifndef __PLUGINLIB_EXIT_H__ |
23 | #define __PLUGINLIB_EXIT_H__ | 23 | #define __PLUGINLIB_EXIT_H__ |
24 | 24 | ||
25 | #include "config.h" | 25 | /* make sure we are in sync with the real definitions, especially on |
26 | #include <setjmp.h> | 26 | * hosted systems */ |
27 | #include <stdlib.h> | ||
28 | #include "gcc_extensions.h" | ||
27 | 29 | ||
28 | #define _PLUGINLIB_EXIT_INIT(atexit) switch(setjmp(__exit_env)) \ | 30 | /* these are actually implemented in plugin_crt0.c which all plugins link */ |
29 | { \ | 31 | extern int atexit(void (*func)(void)); |
30 | case 1: \ | 32 | extern void exit(int status) NORETURN_ATTR; |
31 | atexit \ | 33 | /* these don't call the exit handlers */ |
32 | return PLUGIN_OK; \ | 34 | extern void _exit(int status) NORETURN_ATTR; |
33 | case 2: \ | 35 | /* C99 version */ |
34 | atexit \ | 36 | #define _Exit _exit |
35 | return PLUGIN_ERROR; \ | ||
36 | case 0: \ | ||
37 | default: \ | ||
38 | break; \ | ||
39 | } | ||
40 | 37 | ||
41 | /* Either PLUGINLIB_EXIT_INIT or PLUGINLIB_EXIT_INIT_ATEXIT needs to be placed | 38 | #ifndef EXIT_SUCCESS |
42 | * as the first line in plugin_start. The _ATEXIT version will call the named | 39 | #define EXIT_SUCCESS 0 |
43 | * no-argument function when exit() is called before exiting the plugin, to | 40 | #define EXIT_FAILURE 1 |
44 | * allow for cleanup. | 41 | #endif |
45 | */ | ||
46 | #define PLUGINLIB_EXIT_INIT _PLUGINLIB_EXIT_INIT() | ||
47 | #define PLUGINLIB_EXIT_INIT_ATEXIT(atexit) _PLUGINLIB_EXIT_INIT(atexit();) | ||
48 | 42 | ||
49 | extern jmp_buf __exit_env; | 43 | /** |
50 | #define exit(status) longjmp(__exit_env, status != 0 ? 2 : 1) | 44 | * helper function to handle USB connected events coming from |
45 | * button_get() | ||
46 | * | ||
47 | * it will exit the plugin if usb is detected, but it will call the atexit func | ||
48 | * before actually showing the usb screen | ||
49 | * | ||
50 | * it additionally handles power off as well, with the same behavior | ||
51 | */ | ||
52 | extern void exit_on_usb(int button); | ||
51 | 53 | ||
52 | #endif /* __PLUGINLIB_EXIT_H__ */ | 54 | #endif /* __PLUGINLIB_EXIT_H__ */ |