Merge branch 'v1.7.x' of https://github.com/grpc/grpc
diff --git a/grpc.gyp b/grpc.gyp
index fb15391..866a180 100644
--- a/grpc.gyp
+++ b/grpc.gyp
@@ -175,6 +175,7 @@
         'src/core/lib/support/env_linux.cc',
         'src/core/lib/support/env_posix.cc',
         'src/core/lib/support/env_windows.cc',
+        'src/core/lib/support/fork.cc',
         'src/core/lib/support/histogram.cc',
         'src/core/lib/support/host_port.cc',
         'src/core/lib/support/log.cc',
@@ -259,6 +260,8 @@
         'src/core/lib/iomgr/ev_windows.cc',
         'src/core/lib/iomgr/exec_ctx.cc',
         'src/core/lib/iomgr/executor.cc',
+        'src/core/lib/iomgr/fork_posix.cc',
+        'src/core/lib/iomgr/fork_windows.cc',
         'src/core/lib/iomgr/gethostname_fallback.cc',
         'src/core/lib/iomgr/gethostname_host_name_max.cc',
         'src/core/lib/iomgr/gethostname_sysconf.cc',
@@ -549,6 +552,8 @@
         'src/core/lib/iomgr/ev_windows.cc',
         'src/core/lib/iomgr/exec_ctx.cc',
         'src/core/lib/iomgr/executor.cc',
+        'src/core/lib/iomgr/fork_posix.cc',
+        'src/core/lib/iomgr/fork_windows.cc',
         'src/core/lib/iomgr/gethostname_fallback.cc',
         'src/core/lib/iomgr/gethostname_host_name_max.cc',
         'src/core/lib/iomgr/gethostname_sysconf.cc',
@@ -757,6 +762,8 @@
         'src/core/lib/iomgr/ev_windows.cc',
         'src/core/lib/iomgr/exec_ctx.cc',
         'src/core/lib/iomgr/executor.cc',
+        'src/core/lib/iomgr/fork_posix.cc',
+        'src/core/lib/iomgr/fork_windows.cc',
         'src/core/lib/iomgr/gethostname_fallback.cc',
         'src/core/lib/iomgr/gethostname_host_name_max.cc',
         'src/core/lib/iomgr/gethostname_sysconf.cc',
@@ -949,6 +956,8 @@
         'src/core/lib/iomgr/ev_windows.cc',
         'src/core/lib/iomgr/exec_ctx.cc',
         'src/core/lib/iomgr/executor.cc',
+        'src/core/lib/iomgr/fork_posix.cc',
+        'src/core/lib/iomgr/fork_windows.cc',
         'src/core/lib/iomgr/gethostname_fallback.cc',
         'src/core/lib/iomgr/gethostname_host_name_max.cc',
         'src/core/lib/iomgr/gethostname_sysconf.cc',