Squashed 'src/deps/src/lua-resty-signal/' changes from d07163e8cf..737d8ccfaa

737d8ccfaa bumped version to 0.04.
183f47a846 bugfix: handle '?.so' in package.cpath.
7e5dd34359 tests: update nginx to 1.25.3.
7834226610 tests: upgrade nginx to 1.25.1.
ee4f0f3555 travis-ci: upgrade dist of travis-ci to ubuntu bionic. (#18)
7b247bd308 travis-ci: remove clang compiler mode from travis. (#17)
9a15eea470 travis-ci: bumped the NGINX core to 1.19.9.

git-subtree-dir: src/deps/src/lua-resty-signal
git-subtree-split: 737d8ccfaa59c08ad4d32a712611a856775a61c5

.travis.yml

@@ -1,5 +1,9 @@
 sudo: required
-dist: xenial
+dist: focal
+
+branches:
+  only:
+    - "master"
 
 os: linux
 
@@ -7,7 +11,6 @@ language: c
 
 compiler:
   - gcc
-  - clang
 
 env:
   global:
@@ -18,7 +21,7 @@ env:
     - LUAJIT_INC=$LUAJIT_PREFIX/include/luajit-2.1
     - LD_LIBRARY_PATH=$LUAJIT_LIB:$LD_LIBRARY_PATH
   matrix:
-    - NGINX_VERSION=1.19.3
+    - NGINX_VERSION=1.27.0
 
 install:
   - sudo apt-get install -qq -y cpanminus axel
@@ -40,7 +43,7 @@ script:
   - cd ..
   - export PATH=$PWD/work/nginx/sbin:$PWD/nginx-devel-utils:$PATH
   - export NGX_BUILD_CC=$CC
-  - ngx-build $NGINX_VERSION --with-http_realip_module --add-module=../ndk-nginx-module --add-module=../lua-nginx-module --with-debug > build.log 2>&1 || (cat build.log && exit 1)
+  - ngx-build $NGINX_VERSION --without-pcre2 --with-http_realip_module --add-module=../ndk-nginx-module --add-module=../lua-nginx-module --with-debug > build.log 2>&1 || (cat build.log && exit 1)
   - nginx -V
   - ldd `which nginx`|grep -E 'luajit|ssl|pcre'
-  - prove -r t
+  - prove -I. -r t

lib/resty/signal.lua

@@ -1,5 +1,5 @@
 local _M = {
-    version = 0.03
+    version = 0.04
 }
 
 
@@ -32,6 +32,10 @@ do
         local i = 1
 
         for k, _ in string_gmatch(cpath, "[^;]+") do
+            if k == "?.so" then
+                k = "./"
+            end
+
             local fpath = string_match(k, "(.*/)")
             fpath = fpath .. so_name
             -- Don't get me wrong, the only way to know if a file exist is