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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/capi/cef_app_capi.h
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@ -33,7 +33,7 @@
// by hand. See the translator.README.txt file in the tools directory for
// more information.
//
// $hash=7c6894aae3e508aaa42a376532328316d9bd509c$
// $hash=2f4bdc6adde5defdc86dbb5c998266d6372dd164$
//
#ifndef CEF_INCLUDE_CAPI_CEF_APP_CAPI_H_
@ -183,19 +183,6 @@ CEF_EXPORT void cef_run_message_loop(void);
///
CEF_EXPORT void cef_quit_message_loop(void);
///
/// Set to true (1) before calling Windows APIs like TrackPopupMenu that enter a
/// modal message loop. Set to false (0) after exiting the modal message loop.
///
CEF_EXPORT void cef_set_osmodal_loop(int 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_EXPORT void cef_enable_highdpi_support(void);
#ifdef __cplusplus
}
#endif