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windows: Configure stack size for executables (fixes issue #3250)

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Change the default stack size to 8 MiB for 64-bit and 0.5 MiB for 32-bit.

CEF's main thread needs at least a 1.5 MiB stack size in order to avoid
stack overflow crashes. However, if this is set in the PE file then other
threads get this size as well, leading to address-space exhaustion in 32-bit
CEF. A new CefRunWinMainWithPreferredStackSize function uses fibers to switch
the main thread to a 4 MiB stack (roughly the same effective size as the
64-bit build's 8 MiB stack) before running any other code.

This change additionally moves the existing Windows-only functions
CefSetOSModalLoop and CefEnableHighDPISupport from cef_app.h to cef_win.h.
This commit is contained in:
Marshall Greenblatt
2022-10-20 18:23:32 -04:00
parent dfd1917d9b
commit 07bf5dbacc
20 changed files with 482 additions and 92 deletions
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15
include/cef_app.h
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@ -123,21 +123,6 @@ void CefRunMessageLoop();
/*--cef()--*/
void CefQuitMessageLoop();
///
/// Set to true before calling Windows APIs like TrackPopupMenu that enter a
/// modal message loop. Set to false after exiting the modal message loop.
///
/*--cef()--*/
void CefSetOSModalLoop(bool osModalLoop);
///
/// Call during process startup to enable High-DPI support on Windows 7 or
/// newer. Older versions of Windows should be left DPI-unaware because they do
/// not support DirectWrite and GDI fonts are kerned very badly.
///
/*--cef(capi_name=cef_enable_highdpi_support)--*/
void CefEnableHighDPISupport();
///
/// Implement this interface to provide handler implementations. Methods will be
/// called by the process and/or thread indicated.