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OPTIM/MEDIUM: lua: executes the garbage collector only when using cosocket

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The garbage collector is a little bit heavy to run, and it was added
only for cosockets. This patch prevent useless executions when no
cosockets are used.
This commit is contained in:
Thierry FOURNIER 2015-09-27 22:53:33 +02:00 committed by Willy Tarreau
parent 6ab4d8ec0e
commit 7c39ab4ac2
2 changed files with 10 additions and 4 deletions
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1
include/types/hlua.h
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@ -25,6 +25,7 @@ struct stream;
#define HLUA_WAKERESWR 0x00000004
#define HLUA_WAKEREQWR 0x00000008
#define HLUA_EXIT 0x00000010
#define HLUA_MUST_GC 0x00000020
enum hlua_exec {
HLUA_E_OK = 0,

13
src/hlua.c
View File

@ -923,9 +923,11 @@ void hlua_ctx_destroy(struct hlua *lua)
* NOTE: maybe this action locks all the Lua threads untiml the en of
* the garbage collection.
*/
lua_gc(lua->T, LUA_GCCOLLECT, 0);
if (lua_status(lua->T) != LUA_OK)
lua_gc(gL.T, LUA_GCCOLLECT, 0);
if (lua->flags & HLUA_MUST_GC) {
lua_gc(lua->T, LUA_GCCOLLECT, 0);
if (lua_status(lua->T) != LUA_OK)
lua_gc(gL.T, LUA_GCCOLLECT, 0);
}
lua->T = NULL;
}
@ -1166,7 +1168,8 @@ timeout_reached:
}
/* This GC permits to destroy some object when a Lua timeout strikes. */
if (ret != HLUA_E_AGAIN)
if (lua->flags & HLUA_MUST_GC &&
ret != HLUA_E_AGAIN)
lua_gc(lua->T, LUA_GCCOLLECT, 0);
switch (ret) {
@ -2253,6 +2256,8 @@ __LJMP static int hlua_socket_connect(struct lua_State *L)
si_applet_cant_put(&socket->s->si[0]);
appctx_wakeup(appctx);
hlua->flags |= HLUA_MUST_GC;
if (!hlua_com_new(hlua, &appctx->ctx.hlua.wake_on_write))
WILL_LJMP(luaL_error(L, "out of memory"));
WILL_LJMP(hlua_yieldk(L, 0, 0, hlua_socket_connect_yield, TICK_ETERNITY, 0));