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| author | Jo-Philipp Wich <jow@openwrt.org> | 2009-07-26 15:06:43 +0000 |
|---|---|---|
| committer | Jo-Philipp Wich <jow@openwrt.org> | 2009-07-26 15:06:43 +0000 |
| commit | b18a60e1accf47ea1bd2567f7ee0988f0750ddcd (patch) | |
| tree | 1ea9ae390b31ea22bb9409cff64b32b96380fba3 /package/lua | |
| parent | 3fee02f1a927d9c88886e1c981a031076b963b42 (diff) | |
| download | master-31e0f0ae-b18a60e1accf47ea1bd2567f7ee0988f0750ddcd.tar.gz master-31e0f0ae-b18a60e1accf47ea1bd2567f7ee0988f0750ddcd.tar.bz2 master-31e0f0ae-b18a60e1accf47ea1bd2567f7ee0988f0750ddcd.zip | |
lua: introduce soft memory limits that trigger a gc run but do not result in an oom error
SVN-Revision: 17016
Diffstat (limited to 'package/lua')
| -rw-r--r-- | package/lua/Makefile | 2 | ||||
| -rw-r--r-- | package/lua/patches/040-memory-limits.patch | 32 |
2 files changed, 23 insertions, 11 deletions
diff --git a/package/lua/Makefile b/package/lua/Makefile index f5fca7b8f8..b418b303ef 100644 --- a/package/lua/Makefile +++ b/package/lua/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk PKG_NAME:=lua PKG_VERSION:=5.1.4 -PKG_RELEASE:=4 +PKG_RELEASE:=5 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz PKG_SOURCE_URL:=http://www.lua.org/ftp/ \ diff --git a/package/lua/patches/040-memory-limits.patch b/package/lua/patches/040-memory-limits.patch index 52bae6ae85..bc6526b3f7 100644 --- a/package/lua/patches/040-memory-limits.patch +++ b/package/lua/patches/040-memory-limits.patch @@ -147,7 +147,7 @@ last -= n-1; --- a/src/lua.c +++ b/src/lua.c -@@ -19,6 +19,82 @@ +@@ -19,6 +19,94 @@ #include "llimits.h" @@ -156,6 +156,7 @@ + lua_State *L; + size_t memused; + size_t peak_memused; ++ size_t gc_memused; + size_t max_memused; + int collecting; +} script_info_t; @@ -172,7 +173,8 @@ + return NULL; + } + info->memused += nsize; -+ if(info->max_memused > 0 && nsize > osize && info->memused >= info->max_memused) { ++ if(info->max_memused > 0 && nsize > osize && ++ (info->memused >= info->max_memused || info->memused >= info->gc_memused)) { +#ifdef LOW_MEM_DEBUG + printf("LOW MEM: 1 osize=%zd, nsize=%zd, used=%zu, peak=%zu, need=%zd\n", osize, nsize, + info->memused, info->peak_memused, (info->memused - info->max_memused)); @@ -207,15 +209,24 @@ + +static int set_memory_limit(lua_State *L) +{ -+ int limit = luaL_checknumber(L, 1); ++ int hardlimit = luaL_checknumber(L, 1); ++ int softlimit = luaL_optnumber(L, 2, 0); ++ + script_info_t *info; + lua_getallocf(L, (void *)(&info)); + -+ if( limit >= 0 ) -+ info->max_memused = limit; ++ if( hardlimit >= 0 ) ++ { ++ if( softlimit <= 0 ) ++ softlimit = (int)((float)hardlimit * 0.75); ++ ++ info->max_memused = hardlimit; ++ info->gc_memused = softlimit; ++ } + -+ lua_pushnumber(L, limit); -+ return 1; ++ lua_pushnumber(L, hardlimit); ++ lua_pushnumber(L, softlimit); ++ return 2; +} + +static int get_memory_limit(lua_State *L) @@ -223,14 +234,15 @@ + script_info_t *info; + lua_getallocf(L, (void *)(&info)); + lua_pushnumber(L, info->max_memused); -+ return 1; ++ lua_pushnumber(L, info->gc_memused); ++ return 2; +} + + static lua_State *globalL = NULL; static const char *progname = LUA_PROGNAME; -@@ -377,11 +453,28 @@ +@@ -377,11 +465,28 @@ int main (int argc, char **argv) { int status; struct Smain s; @@ -260,7 +272,7 @@ /* Checking 'sizeof(lua_Integer)' cannot be made in preprocessor on all compilers. */ #ifdef LNUM_INT16 -@@ -396,6 +489,14 @@ +@@ -396,6 +501,14 @@ status = lua_cpcall(L, &pmain, &s); report(L, status); lua_close(L); |