deps: upgrade libuv to 1.14.1

Fixes: https://github.com/nodejs/node/issues/12737
Fixes: https://github.com/nodejs/node/issues/13581
Fixes: https://github.com/nodejs/node/issues/15117
PR-URL: https://github.com/nodejs/node/pull/14866
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 30 insertions, 8 deletions

diff --git a/deps/uv/src/unix/os390.c b/deps/uv/src/unix/os390.c
index de7df91169..559970de2c 100644
--- a/deps/uv/src/unix/os390.c
+++ b/deps/uv/src/unix/os390.c
@@ -33,6 +33,7 @@
 #endif
 
 #define CVT_PTR           0x10
+#define PSA_PTR           0x00
 #define CSD_OFFSET        0x294
 
 /*
@@ -70,6 +71,18 @@
 /* CPC model length from the CSRSI Service. */
 #define CPCMODEL_LENGTH   16
 
+/* Pointer to the home (current) ASCB. */
+#define PSAAOLD           0x224
+
+/* Pointer to rsm address space block extension. */
+#define ASCBRSME          0x16C
+
+/*
+    NUMBER OF FRAMES CURRENTLY IN USE BY THIS ADDRESS SPACE.
+    It does not include 2G frames.
+*/
+#define RAXFMCT           0x2C
+
 /* Thread Entry constants */
 #define PGTH_CURRENT  1
 #define PGTH_LEN      26
@@ -77,6 +90,9 @@
 #pragma linkage(BPX4GTH, OS)
 #pragma linkage(BPX1GTH, OS)
 
+/* TOD Clock resolution in nanoseconds */
+#define TOD_RES 4.096
+
 typedef unsigned data_area_ptr_assign_type;
 
 typedef union {
@@ -122,7 +138,7 @@ uint64_t uv__hrtime(uv_clocktype_t type) {
   unsigned long long timestamp;
   __stckf(&timestamp);
   /* Convert to nanoseconds */
-  return timestamp / 10;
+  return timestamp / TOD_RES;
 }
 
 
@@ -339,13 +355,17 @@ uint64_t uv_get_total_memory(void) {
 
 
 int uv_resident_set_memory(size_t* rss) {
-  W_PSPROC buf;
+  char* psa;
+  char* ascb;
+  char* rax;
+  size_t nframes;
 
-  memset(&buf, 0, sizeof(buf));
-  if (w_getpsent(0, &buf, sizeof(W_PSPROC)) == -1)
-    return -EINVAL;
+  psa = PSA_PTR;
+  ascb  = *(char* __ptr32 *)(psa + PSAAOLD);
+  rax = *(char* __ptr32 *)(ascb + ASCBRSME);
+  nframes = *(unsigned int*)(rax + RAXFMCT);
 
-  *rss = buf.ps_size;
+  *rss = nframes * sysconf(_SC_PAGESIZE);
   return 0;
 }
 
@@ -747,9 +767,11 @@ void uv__io_poll(uv_loop_t* loop, int timeout) {
     SAVE_ERRNO(uv__update_time(loop));
     if (nfds == 0) {
       assert(timeout != -1);
-      timeout = real_timeout - timeout;
-      if (timeout > 0)
+
+      if (timeout > 0) {
+        timeout = real_timeout - timeout;
         continue;
+      }
 
       return;
     }