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Second try: Introduce plugin_crt0.c that every plugin links.

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It handles exit() properly, calling the handler also when the plugin returns
normally (also make exit() more standard compliant while at it).
It also holds PLUGIN_HEADER, so that it doesn't need to be in each plugin anymore.

To work better together with callbacks passed to rb->default_event_handler_ex() introduce exit_on_usb() which will call the exit handler before showing the usb screen and exit() after it.
In most cases rb->default_event_handler_ex() was passed a callback which was manually called at all other return points. This can now be done via atexit().

In future plugin_crt0.c could also handle clearing bss, initializing iram and more.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27873 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2010-08-24 14:30:46 +00:00
parent 3478bc5d6d
commit cae4ae2c71
142 changed files with 372 additions and 341 deletions
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4
apps/plugins/frotz/frotz.c
View file

@ -23,7 +23,7 @@
#include "lib/pluginlib_exit.h"
#include "lib/pluginlib_actions.h"
PLUGIN_HEADER
extern int frotz_main(void);
extern bool hot_key_quit(void);
@ -41,7 +41,7 @@ enum plugin_status plugin_start(const void* parameter)
int i;
char* ext;
PLUGINLIB_EXIT_INIT_ATEXIT(atexit_cleanup);
atexit(atexit_cleanup);
if (!parameter)
return PLUGIN_ERROR;