From 93cb949372630d807615f53a8a6379937ed6819f Mon Sep 17 00:00:00 2001 From: Thomas Martitz Date: Mon, 23 Aug 2010 17:12:26 +0000 Subject: Revert "Introduce plugin_crt0.c that every plugin links." Too much errors and no time to fix them now. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27863 a1c6a512-1295-4272-9138-f99709370657 --- apps/plugins/lib/pluginlib_exit.h | 52 ++++++++++++++++++++------------------- 1 file changed, 27 insertions(+), 25 deletions(-) (limited to 'apps/plugins/lib/pluginlib_exit.h') 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 @@ #ifndef __PLUGINLIB_EXIT_H__ #define __PLUGINLIB_EXIT_H__ -/* make sure we are in sync with the real definitions, especially on - * hosted systems */ -#include -#include "gcc_extensions.h" - -/* these are actually implemented in plugin_crt0.c which all plugins link */ -extern int atexit(void (*func)(void)); -extern void exit(int status) NORETURN_ATTR; -/* these don't call the exit handlers */ -extern void _exit(int status) NORETURN_ATTR; -/* C99 version */ -#define _Exit _exit - -#ifndef EXIT_SUCCESS -#define EXIT_SUCCESS 0 -#define EXIT_FAILURE 1 +#include "config.h" +#if (CONFIG_PLATFORM & PLATFORM_NATIVE) +#include "../../codecs/lib/setjmp.h" +#else +#include #endif -/** - * helper function to handle USB connected events coming from - * button_get() - * - * it will exit the plugin if usb is detected, but it will call the atexit func - * before actually showing the usb screen - * - * it additionally handles power off as well, with the same behavior +#define _PLUGINLIB_EXIT_INIT(atexit) switch(setjmp(__exit_env)) \ + { \ + case 1: \ + atexit \ + return PLUGIN_OK; \ + case 2: \ + atexit \ + return PLUGIN_ERROR; \ + case 0: \ + default: \ + break; \ + } + +/* Either PLUGINLIB_EXIT_INIT or PLUGINLIB_EXIT_INIT_ATEXIT needs to be placed + * as the first line in plugin_start. The _ATEXIT version will call the named + * no-argument function when exit() is called before exiting the plugin, to + * allow for cleanup. */ -extern void exit_on_usb(int button); +#define PLUGINLIB_EXIT_INIT _PLUGINLIB_EXIT_INIT() +#define PLUGINLIB_EXIT_INIT_ATEXIT(atexit) _PLUGINLIB_EXIT_INIT(atexit();) + +extern jmp_buf __exit_env; +#define exit(status) longjmp(__exit_env, status != 0 ? 2 : 1) #endif /* __PLUGINLIB_EXIT_H__ */ -- cgit v1.2.3