Merge branch 'upstream-libuv' into update-libuv

* upstream-libuv:
  libuv 2017-05-09 (e11dcd43)

Fixes: #16878

1 files changed, 34 insertions, 19 deletions

diff --git a/Utilities/cmlibuv/src/unix/linux-core.c b/Utilities/cmlibuv/src/unix/linux-core.c
index 58dd813ddf..646be4fb1e 100644
--- a/Utilities/cmlibuv/src/unix/linux-core.c
+++ b/Utilities/cmlibuv/src/unix/linux-core.c
@@ -107,6 +107,24 @@ int uv__platform_loop_init(uv_loop_t* loop) {
 }
 
 
+int uv__io_fork(uv_loop_t* loop) {
+  int err;
+  void* old_watchers;
+
+  old_watchers = loop->inotify_watchers;
+
+  uv__close(loop->backend_fd);
+  loop->backend_fd = -1;
+  uv__platform_loop_delete(loop);
+
+  err = uv__platform_loop_init(loop);
+  if (err)
+    return err;
+
+  return uv__inotify_fork(loop, old_watchers);
+}
+
+
 void uv__platform_loop_delete(uv_loop_t* loop) {
   if (loop->inotify_fd == -1) return;
   uv__io_stop(loop, &loop->inotify_read_watcher, POLLIN);
@@ -868,6 +886,19 @@ void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) {
   uv__free(cpu_infos);
 }
 
+static int uv__ifaddr_exclude(struct ifaddrs *ent) {
+  if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)))
+    return 1;
+  if (ent->ifa_addr == NULL)
+    return 1;
+  /*
+   * On Linux getifaddrs returns information related to the raw underlying
+   * devices. We're not interested in this information yet.
+   */
+  if (ent->ifa_addr->sa_family == PF_PACKET)
+    return 1;
+  return 0;
+}
 
 int uv_interface_addresses(uv_interface_address_t** addresses,
   int* count) {
@@ -887,11 +918,8 @@ int uv_interface_addresses(uv_interface_address_t** addresses,
 
   /* Count the number of interfaces */
   for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
-    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
-        (ent->ifa_addr == NULL) ||
-        (ent->ifa_addr->sa_family == PF_PACKET)) {
+    if (uv__ifaddr_exclude(ent))
       continue;
-    }
 
     (*count)++;
   }
@@ -908,17 +936,7 @@ int uv_interface_addresses(uv_interface_address_t** addresses,
   address = *addresses;
 
   for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
-    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)))
-      continue;
-
-    if (ent->ifa_addr == NULL)
-      continue;
-
-    /*
-     * On Linux getifaddrs returns information related to the raw underlying
-     * devices. We're not interested in this information yet.
-     */
-    if (ent->ifa_addr->sa_family == PF_PACKET)
+    if (uv__ifaddr_exclude(ent))
       continue;
 
     address->name = uv__strdup(ent->ifa_name);
@@ -942,11 +960,8 @@ int uv_interface_addresses(uv_interface_address_t** addresses,
 
   /* Fill in physical addresses for each interface */
   for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
-    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
-        (ent->ifa_addr == NULL) ||
-        (ent->ifa_addr->sa_family != PF_PACKET)) {
+    if (uv__ifaddr_exclude(ent))
       continue;
-    }
 
     address = *addresses;