Merge pull request #4908 from xmake-io/signal

Add signal module

2 files changed, 46 insertions, 9 deletions

diff --git a/xmake/core/base/os.lua b/xmake/core/base/os.lua
index 836a8991f..2d7023ac4 100644
--- a/xmake/core/base/os.lua
+++ b/xmake/core/base/os.lua
@@ -45,7 +45,6 @@ os._getenvs  = os._getenvs or os.getenvs
 os._cpuinfo  = os._cpuinfo or os.cpuinfo
 os._meminfo  = os._meminfo or os.meminfo
 os._readlink = os._readlink or os.readlink
-os._signal   = os._signal or os.signal
 
 -- syserror code
 os.SYSERR_UNKNOWN     = -1
@@ -54,9 +53,6 @@ os.SYSERR_NOT_PERM    = 1
 os.SYSERR_NOT_FILEDIR = 2
 os.SYSERR_NOT_ACCESS  = 3
 
--- signal code
-os.SIGINT = 1
-
 -- copy single file or directory
 function os._cp(src, dst, rootdir, opt)
     opt = opt or {}
@@ -1419,11 +1415,6 @@ function os.readlink(symlink)
     return os._readlink(path.absolute(symlink))
 end
 
--- register signal handler
-function os.signal(signo, handler)
-    os._signal(signo, handler)
-end
-
 -- get the program directory
 function os.programdir()
     return xmake._PROGRAM_DIR
diff --git a/xmake/core/base/signal.lua b/xmake/core/base/signal.lua
new file mode 100644
index 000000000..e281bb1f4
--- /dev/null
+++ b/xmake/core/base/signal.lua
@@ -0,0 +1,46 @@
+--!A cross-platform build utility based on Lua
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+-- Copyright (C) 2015-present, TBOOX Open Source Group.
+--
+-- @author      ruki
+-- @file        signal.lua
+--
+
+-- define module: signal
+local signal = signal or {}
+
+-- load modules
+local os = require("base/os")
+
+-- signal code
+signal.SIGINT = 2
+
+-- register signal handler
+function signal.register(signo, handler)
+    os.signal(signo, handler)
+end
+
+-- reset signal, SIGDFL
+function signal.reset(signo)
+    os.signal(signo, 1)
+end
+
+-- ignore signal, SIGIGN
+function signal.ignore(signo)
+    os.signal(signo, 2)
+end
+
+-- return module: signal
+return signal