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massively reduce the number of forks that busybox ash has to do while processing our scripts

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this is accomplished simply by changing the order in which it looks for builtins and applets


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7815 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
Felix Fietkau
2007-07-01 03:42:49 +00:00
parent 843b857799
commit 08d6217b42
1 changed files with 30 additions and 0 deletions
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30
package/busybox/patches/270-ash_performance.patch Normal file
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@@ -0,0 +1,30 @@
Index: busybox-1.4.2/shell/ash.c
===================================================================
--- busybox-1.4.2.orig/shell/ash.c 2007-07-01 05:33:08.371737750 +0200
+++ busybox-1.4.2/shell/ash.c 2007-07-01 05:33:11.703946000 +0200
@@ -3957,12 +3957,6 @@
}
#endif
- if (is_safe_applet(name)) {
- entry->cmdtype = CMDNORMAL;
- entry->u.index = -1;
- return;
- }
-
updatetbl = (path == pathval());
if (!updatetbl) {
act |= DO_ALTPATH;
@@ -4074,6 +4068,12 @@
goto success;
}
+ if (is_safe_applet(name)) {
+ entry->cmdtype = CMDNORMAL;
+ entry->u.index = -1;
+ return;
+ }
+
/* We failed. If there was an entry for this command, delete it */
if (cmdp && updatetbl)
delete_cmd_entry();