impl multi-jobs for builder

1 files changed, 51 insertions, 1 deletions

diff --git a/xmake/core/base/os.lua b/xmake/core/base/os.lua
index a165e4b34..cdf8dcdfc 100644
--- a/xmake/core/base/os.lua
+++ b/xmake/core/base/os.lua
@@ -232,7 +232,7 @@ function os.cd(dir)
 end
 
 -- run shell
-function os.run(cmd, ...)
+function os.run(cmd)
 
     -- make temporary log file
     local log = path.join(os.tmpdir(), "xmake.os.run.log")
@@ -257,6 +257,56 @@ function os.run(cmd, ...)
     return true
 end
 
+-- run shell with coroutine
+function os.corun(cmd)
+
+    -- FIXME
+    -- make temporary log file
+    local log = path.join(os.tmpdir(), "xmake.os.corun.log")
+
+    -- open command
+    local p = process.open(cmd, log, log)
+    if nil == p then
+        return false, string.format("cannot run %s", cmd)
+    end
+
+    -- wait process
+    local waitok = -1
+    local status = -1 
+    repeat
+        
+        -- poll it
+        waitok, status = process.wait(p, 0)
+        if waitok == 0 then
+            coroutine.yield()
+        end
+
+    until waitok ~= 0
+
+    -- close process
+    process.close(p)
+
+    -- ok?
+    local ok = utils.ifelse(waitok > 0, status, -1)
+    if ok ~= 0 then
+
+        -- make errors
+        local errors = io.readall(log)
+
+        -- remove the temporary log file
+        os.rm(log)
+
+        -- failed
+        return false, errors
+    end
+
+    -- remove the temporary log file
+    os.rm(log)
+
+    -- ok
+    return true
+end
+
 -- raise an exception and abort the current script
 --
 -- the parent function will capture it if we uses pcall or xpcall