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d61bf45c3c
- fixes reload issue with hanging process Signed-off-by: Thomas Heil <heil@terminal-consulting.de>
60 lines
1.7 KiB
Diff
60 lines
1.7 KiB
Diff
From 49d319a677432b69c6a69ef5331ae2ed592075c9 Mon Sep 17 00:00:00 2001
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From: Thierry FOURNIER <thierry.fournier@ozon.io>
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Date: Wed, 12 Jul 2017 13:41:33 +0200
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Subject: [PATCH 03/18] BUG/MINOR: lua: executes the function destroying the
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Lua session in safe mode
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When we destroy the Lua session, we manipulates Lua stack,
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so errors can raises. It will be better to catch these errors.
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This patch should be backported in 1.6 and 1.7
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(cherry picked from commit 75d0208009c3189b5d10793e08f27dd62a76c3ae)
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Signed-off-by: Willy Tarreau <w@1wt.eu>
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---
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src/hlua.c | 17 +++++++++++++++--
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1 file changed, 15 insertions(+), 2 deletions(-)
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diff --git a/src/hlua.c b/src/hlua.c
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index 4c1c2d21..2d312804 100644
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--- a/src/hlua.c
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+++ b/src/hlua.c
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@@ -876,9 +876,15 @@ void hlua_ctx_destroy(struct hlua *lua)
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/* Purge all the pending signals. */
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hlua_com_purge(lua);
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+ if (!SET_SAFE_LJMP(lua->T))
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+ return;
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luaL_unref(lua->T, LUA_REGISTRYINDEX, lua->Mref);
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- luaL_unref(gL.T, LUA_REGISTRYINDEX, lua->Tref);
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+ RESET_SAFE_LJMP(lua->T);
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+ if (!SET_SAFE_LJMP(gL.T))
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+ return;
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+ luaL_unref(gL.T, LUA_REGISTRYINDEX, lua->Tref);
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+ RESET_SAFE_LJMP(gL.T);
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/* Forces a garbage collecting process. If the Lua program is finished
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* without error, we run the GC on the thread pointer. Its freed all
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* the unused memory.
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@@ -889,9 +895,16 @@ void hlua_ctx_destroy(struct hlua *lua)
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* the garbage collection.
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*/
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if (lua->flags & HLUA_MUST_GC) {
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+ if (!SET_SAFE_LJMP(lua->T))
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+ return;
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lua_gc(lua->T, LUA_GCCOLLECT, 0);
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- if (lua_status(lua->T) != LUA_OK)
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+ RESET_SAFE_LJMP(lua->T);
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+ if (lua_status(lua->T) != LUA_OK) {
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+ if (!SET_SAFE_LJMP(gL.T))
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+ return;
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lua_gc(gL.T, LUA_GCCOLLECT, 0);
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+ RESET_SAFE_LJMP(gL.T);
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+ }
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}
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lua->T = NULL;
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--
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2.13.0
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