[upstream_utils] Revert removal of uv_clock_gettime()

GetSystemTimePreciseAsFileTime() is supposed to be available, and
wpiutil already uses it.

upstream_utils/libuv_patches/0010-Add-pragmas-for-missing-libraries-and-set-_WIN32_WIN.patch

@@ -0,0 +1,40 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Tyler Veness <[email protected]>
+Date: Fri, 14 Jul 2023 16:40:18 -0700
+Subject: [PATCH 10/10] Add pragmas for missing libraries and set _WIN32_WINNT
+ to Windows 10
+
+See
+https://learn.microsoft.com/en-us/cpp/porting/modifying-winver-and-win32-winnt.
+---
+ include/uv/win.h | 2 +-
+ src/win/util.c   | 2 ++
+ 2 files changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/include/uv/win.h b/include/uv/win.h
+index 6d0afe69e7dd4caf4c9459e548fe75cf0c51b501..613065df435d813cd517efbc138b13ee46f01f2d 100644
+--- a/include/uv/win.h
++++ b/include/uv/win.h
+@@ -20,7 +20,7 @@
+  */
+
+ #ifndef _WIN32_WINNT
+-# define _WIN32_WINNT   0x0600
++# define _WIN32_WINNT   0x0A00
+ #endif
+
+ #if !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED)
+diff --git a/src/win/util.c b/src/win/util.c
+index 9324992ec521cc3496e3e9304e600963a3f20897..4b76417fcbac2480725471740c037deb859e17ca 100644
+--- a/src/win/util.c
++++ b/src/win/util.c
+@@ -73,7 +73,9 @@ static char *process_title;
+ static CRITICAL_SECTION process_title_lock;
+
+ #pragma comment(lib, "Advapi32.lib")
++#pragma comment(lib, "Dbghelp.lib")
+ #pragma comment(lib, "IPHLPAPI.lib")
++#pragma comment(lib, "Ole32.lib")
+ #pragma comment(lib, "Psapi.lib")
+ #pragma comment(lib, "Userenv.lib")
+ #pragma comment(lib, "kernel32.lib")

upstream_utils/update_libuv.py

@@ -29,7 +29,7 @@ def main():
         "0007-Fix-Win32-warning-suppression-pragma.patch",
         "0008-Use-C-atomics.patch",
         "0009-Remove-static-from-array-indices.patch",
-        "0010-Remove-uv_clock_gettime-and-add-pragmas-for-missing-.patch",
+        "0010-Add-pragmas-for-missing-libraries-and-set-_WIN32_WIN.patch",
     ]:
         git_am(os.path.join(wpilib_root, "upstream_utils/libuv_patches", f))
 

wpinet/src/main/native/thirdparty/libuv/include/uv.h

@@ -1755,6 +1755,7 @@ UV_EXTERN uint64_t uv_get_total_memory(void);
 UV_EXTERN uint64_t uv_get_constrained_memory(void);
 UV_EXTERN uint64_t uv_get_available_memory(void);
 
+UV_EXTERN int uv_clock_gettime(uv_clock_id clock_id, uv_timespec64_t* ts);
 UV_EXTERN uint64_t uv_hrtime(void);
 UV_EXTERN void uv_sleep(unsigned int msec);
 

wpinet/src/main/native/thirdparty/libuv/include/uv/win.h

@@ -20,7 +20,7 @@
  */
 
 #ifndef _WIN32_WINNT
-# define _WIN32_WINNT   0x0600
+# define _WIN32_WINNT   0x0A00
 #endif
 
 #if !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED)

wpinet/src/main/native/thirdparty/libuv/src/win/util.cpp

@@ -515,6 +515,37 @@ int uv_get_process_title(char* buffer, size_t size) {
 }
 
 
+/* https://github.com/libuv/libuv/issues/1674 */
+int uv_clock_gettime(uv_clock_id clock_id, uv_timespec64_t* ts) {
+  FILETIME ft;
+  int64_t t;
+
+  if (ts == NULL)
+    return UV_EFAULT;
+
+  switch (clock_id) {
+    case UV_CLOCK_MONOTONIC:
+      uv__once_init();
+      t = uv__hrtime(UV__NANOSEC);
+      ts->tv_sec = t / 1000000000;
+      ts->tv_nsec = t % 1000000000;
+      return 0;
+    case UV_CLOCK_REALTIME:
+      GetSystemTimePreciseAsFileTime(&ft);
+      /* In 100-nanosecond increments from 1601-01-01 UTC because why not? */
+      t = (int64_t) ft.dwHighDateTime << 32 | ft.dwLowDateTime;
+      /* Convert to UNIX epoch, 1970-01-01. Still in 100 ns increments. */
+      t -= 116444736000000000ll;
+      /* Now convert to seconds and nanoseconds. */
+      ts->tv_sec = t / 10000000;
+      ts->tv_nsec = t % 10000000 * 100;
+      return 0;
+  }
+
+  return UV_EINVAL;
+}
+
+
 uint64_t uv_hrtime(void) {
   uv__once_init();
   return uv__hrtime(UV__NANOSEC);