Merge pull request swiftlang#52 from neonichu/disable-signal-handling-test-on-linux

Disable signal handling tests on Linux

Author: ddunbar

tests/BuildSystem/Build/sigkill-escalation.llbuild

@@ -13,6 +13,9 @@
 #
 # CHECK: SIGNAL
 # CHECK: cancelling build.
+#
+# FIXME: Disabled on Linux for the time being, it doesn't always pass. See https://bugs.swift.org/browse/SR-3427
+# REQUIRES: platform=Darwin
 
 client:
   name: basic

tests/BuildSystem/Build/signal-handling.llbuild

@@ -12,6 +12,9 @@
 #
 # CHECK: SIGNAL
 # CHECK: cancelling build.
+#
+# FIXME: Disabled on Linux for the time being, it doesn't always pass. See https://bugs.swift.org/browse/SR-3427
+# REQUIRES: platform=Darwin
 
 client:
   name: basic

tests/Ninja/Build/signal-handling.ninja

@@ -12,6 +12,9 @@
 #
 # CHECK: [1/{{.*}}] SIGNAL PARENT LLBUILD PROCESS
 # CHECK: cancelling build.
+#
+# FIXME: Disabled on Linux for the time being, it doesn't always pass. See https://bugs.swift.org/browse/SR-3427
+# REQUIRES: platform=Darwin
 
 rule CAT
   command = cat ${in} > ${out}