parallel-fetch, baby.

svn path=/main/trunk/; revision=2396

3 files changed, 38 insertions, 11 deletions

diff --git a/bin/emerge b/bin/emerge
index 7b4e7cd36..89dc9089f 100755
--- a/bin/emerge
+++ b/bin/emerge
@@ -1877,6 +1877,41 @@ class depgraph:
 
 		self.pkgsettings["FEATURES"]=string.join(myfeat)
 
+		if "parallel-fetch" in myfeat and not ("--ask" in myopts or "--pretend" in myopts or "--fetchonly" in myopts):
+			if "distlocks" not in myfeat:
+				print red("!!!")
+				print red("!!!")+" parallel-fetching requires the distlocks feature enabled"
+				print red("!!!")+" you have it disabled, thus parallel-fetching is being disabled"
+				print red("!!!")
+			elif len(mymergelist) > 1:
+				print ">>> starting parallel fetching"
+				pid = os.fork()
+				if not pid:
+					sys.stdin.close()
+					sys.stdout.close()
+					sys.stderr.close()
+					sys.stdout = open("/dev/null","w")
+					sys.stderr = open("/dev/null","w")
+					os.dup2(sys.stdout.fileno(), 1)
+					os.dup2(sys.stdout.fileno(), 2)
+					for x in ("autoaddcvs", "cvs"):
+						try:	myfeat.remove(x)
+						except ValueError: pass
+					self.pkgsettings["FEATURES"] = " ".join(myfeat)
+					ret = 0
+					for x in mymergelist:
+						if x[0] != "ebuild":
+							continue
+						try:
+							ret = portage.doebuild(portage.portdb.findname(x[2]), "fetch", x[1], self.pkgsettings,
+								cleanup=0, fetchonly=True, tree="porttree")
+						except SystemExit:
+							raise
+						except Exception:
+							ret = 1
+					sys.exit(0)
+				portage.portage_exec.spawned_pids.append(pid)
+
 		mergecount=0
 		for x in mymergelist:
 			mergecount+=1
diff --git a/man/make.conf.5 b/man/make.conf.5
index 220077b80..5f5a4b704 100644
--- a/man/make.conf.5
+++ b/man/make.conf.5
@@ -192,6 +192,9 @@ Prevents the stripping of binaries that are merged to the live filesystem.
 .B notitles
 Disables xterm titlebar updates (which contains status info).
 .TP
+.B parallel-fetch
+Fetch in the background while compiling.
+.TP
 .B sandbox
 Enable sandbox\-ing when running \fBemerge\fR(1) and \fBebuild(1)\fR.
 .TP
diff --git a/pym/portage.py b/pym/portage.py
index bfaa1dee2..7875585e5 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -130,9 +130,6 @@ def exithandler(signum,frame):
 	signal.signal(signal.SIGTERM, signal.SIG_IGN)
 
 	# 0=send to *everybody* in process group
-	portageexit()
-	print "Exiting due to signal"
-	os.kill(0,signum)
 	sys.exit(1)
 
 signal.signal(signal.SIGCHLD, signal.SIG_DFL)
@@ -6987,14 +6984,6 @@ def do_upgrade(mykey):
 def portageexit():
 	global uid,portage_gid,portdb,db
 	if secpass and not os.environ.has_key("SANDBOX_ACTIVE"):
-		# wait child process death
-		try:
-			while True:
-				os.wait()
-		except OSError:
-			#writemsg(">>> All child process are now dead.")
-			pass
-
 		close_portdbapi_caches()
 
 		if mtimedb: