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authorDenys Vlasenko2015-10-09 16:42:57 +0200
committerDenys Vlasenko2015-10-09 16:42:57 +0200
commit550bf5b4a418378cd8f9fbbf5252fe57acdacb5a (patch)
tree7ed13e04cf415be6830363953220d7cffd4580b8 /libbb/xfunc_die.c
parent4cd99e7c6c1af77721b890ed5ae26d747796c4bd (diff)
downloadbusybox-550bf5b4a418378cd8f9fbbf5252fe57acdacb5a.zip
busybox-550bf5b4a418378cd8f9fbbf5252fe57acdacb5a.tar.gz
remove global "jmp_buf die_jmp" from !FEATURE_PREFER_APPLETS builds
function old new delta xfunc_has_died - 21 +21 sleep_much - 12 +12 sleep10 - 9 +9 die_func - 4 +4 fflush_stdout_and_exit 35 36 +1 builtin_type 121 119 -2 die_sleep 4 - -4 xfunc_die 60 24 -36 hush_main 1128 1011 -117 die_jmp 156 - -156 ------------------------------------------------------------------------------ (add/remove: 4/2 grow/shrink: 1/3 up/down: 47/-315) Total: -268 bytes text data bss dec hex filename 939992 992 17652 958636 ea0ac busybox_old 939880 992 17496 958368 e9fa0 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/xfunc_die.c')
-rw-r--r--libbb/xfunc_die.c26
1 files changed, 4 insertions, 22 deletions
diff --git a/libbb/xfunc_die.c b/libbb/xfunc_die.c
index 204e5e4..73f7998 100644
--- a/libbb/xfunc_die.c
+++ b/libbb/xfunc_die.c
@@ -7,34 +7,16 @@
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
-/* Keeping it separate allows to NOT suck in stdio for VERY small applets.
+/* Keeping it separate allows to NOT pull in stdio for VERY small applets.
* Try building busybox with only "true" enabled... */
#include "libbb.h"
-int die_sleep;
-#if ENABLE_FEATURE_PREFER_APPLETS || ENABLE_HUSH
-jmp_buf die_jmp;
-#endif
+void (*die_func)(void);
void FAST_FUNC xfunc_die(void)
{
- if (die_sleep) {
- if ((ENABLE_FEATURE_PREFER_APPLETS || ENABLE_HUSH)
- && die_sleep < 0
- ) {
- /* Special case. We arrive here if NOFORK applet
- * calls xfunc, which then decides to die.
- * We don't die, but jump instead back to caller.
- * NOFORK applets still cannot carelessly call xfuncs:
- * p = xmalloc(10);
- * q = xmalloc(10); // BUG! if this dies, we leak p!
- */
- /* -2222 means "zero" (longjmp can't pass 0)
- * run_nofork_applet() catches -2222. */
- longjmp(die_jmp, xfunc_error_retval ? xfunc_error_retval : -2222);
- }
- sleep(die_sleep);
- }
+ if (die_func)
+ die_func();
exit(xfunc_error_retval);
}