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authorLoïc Guilloux <glx22@users.noreply.github.com>2021-02-09 21:21:57 +0100
committerGitHub <noreply@github.com>2021-02-09 21:21:57 +0100
commitf1f281b318dc562d5741b55ff25198f3f1602312 (patch)
treed8b437c76b988b1db9dee3b95ac7c6fa1927134c /src/os/windows
parent395e015282279e95910128ebcd221879a22f9421 (diff)
downloadopenttd-f1f281b318dc562d5741b55ff25198f3f1602312.tar.xz
Fix: [Win32] Set minimum resolution for timers to 1ms. (#8660)
Diffstat (limited to 'src/os/windows')
-rw-r--r--src/os/windows/crashlog_win.cpp4
-rw-r--r--src/os/windows/win32.cpp8
2 files changed, 12 insertions, 0 deletions
diff --git a/src/os/windows/crashlog_win.cpp b/src/os/windows/crashlog_win.cpp
index 872e472d5..b5916dd26 100644
--- a/src/os/windows/crashlog_win.cpp
+++ b/src/os/windows/crashlog_win.cpp
@@ -21,6 +21,7 @@
#include <windows.h>
#include <signal.h>
+#include <timeapi.h>
#include "../../safeguards.h"
@@ -540,6 +541,9 @@ void *_safe_esp = nullptr;
static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)
{
+ /* Restore system timer resolution. */
+ timeEndPeriod(1);
+
/* Disable our event loop. */
SetWindowLongPtr(GetActiveWindow(), GWLP_WNDPROC, (LONG_PTR)&DefWindowProc);
diff --git a/src/os/windows/win32.cpp b/src/os/windows/win32.cpp
index 6576ea20d..8783b3762 100644
--- a/src/os/windows/win32.cpp
+++ b/src/os/windows/win32.cpp
@@ -18,6 +18,7 @@
#define NO_SHOBJIDL_SORTDIRECTION // Avoid multiple definition of SORT_ASCENDING
#include <shlobj.h> /* SHGetFolderPath */
#include <shellapi.h>
+#include <timeapi.h>
#include "win32.h"
#include "../../fios.h"
#include "../../core/alloc_func.hpp"
@@ -413,6 +414,9 @@ int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLi
int argc;
char *argv[64]; // max 64 command line arguments
+ /* Set system timer resolution to 1ms. */
+ timeBeginPeriod(1);
+
CrashLog::InitialiseCrashLog();
#if defined(UNICODE)
@@ -440,6 +444,10 @@ int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLi
for (int i = 0; i < argc; i++) ValidateString(argv[i]);
openttd_main(argc, argv);
+
+ /* Restore system timer resolution. */
+ timeEndPeriod(1);
+
free(cmdline);
return 0;
}