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			101 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // Copyright (c) 2022 Marshall A. Greenblatt. All rights reserved.
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| //
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| // Redistribution and use in source and binary forms, with or without
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| // modification, are permitted provided that the following conditions are
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| // met:
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| //
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| //    * Redistributions of source code must retain the above copyright
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| // notice, this list of conditions and the following disclaimer.
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| //    * Redistributions in binary form must reproduce the above
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| // copyright notice, this list of conditions and the following disclaimer
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| // in the documentation and/or other materials provided with the
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| // distribution.
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| //    * Neither the name of Google Inc. nor the name Chromium Embedded
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| // Framework nor the names of its contributors may be used to endorse
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| // or promote products derived from this software without specific prior
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| // written permission.
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| //
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| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 
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| #ifndef CEF_INCLUDE_INTERNAL_CEF_APP_WIN_H_
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| #define CEF_INCLUDE_INTERNAL_CEF_APP_WIN_H_
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| #pragma once
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| 
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| #include "include/base/cef_build.h"
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| 
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| #if defined(OS_WIN)
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| 
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| #if defined(ARCH_CPU_32_BITS)
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| #include <windows.h>
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| #endif
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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| #if defined(ARCH_CPU_32_BITS)
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| typedef int(APIENTRY* wWinMainPtr)(HINSTANCE hInstance,
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|                                    HINSTANCE hPrevInstance,
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|                                    LPWSTR lpCmdLine,
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|                                    int nCmdShow);
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| typedef int (*mainPtr)(int argc, char* argv[]);
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| 
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| ///
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| /// Run the main thread on 32-bit Windows using a fiber with the preferred 4MiB
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| /// stack size. This function must be called at the top of the executable entry
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| /// point function (`main()` or `wWinMain()`). It is used in combination with
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| /// the initial stack size of 0.5MiB configured via the `/STACK:0x80000` linker
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| /// flag on executable targets. This saves significant memory on threads (like
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| /// those in the Windows thread pool, and others) whose stack size can only be
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| /// controlled via the linker flag.
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| ///
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| /// CEF's main thread needs at least a 1.5 MiB stack size in order to avoid
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| /// stack overflow crashes. However, if this is set in the PE file then other
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| /// threads get this size as well, leading to address-space exhaustion in 32-bit
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| /// CEF. This function uses fibers to switch the main thread to a 4 MiB stack
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| /// (roughly the same effective size as the 64-bit build's 8 MiB stack) before
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| /// running any other code.
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| ///
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| /// Choose the function variant that matches the entry point function type used
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| /// by the executable. Reusing the entry point minimizes confusion when
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| /// examining call stacks in crash reports.
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| ///
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| /// If this function is already running on the fiber it will return -1
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| /// immediately, meaning that execution should proceed with the remainder of the
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| /// entry point function. Otherwise, this function will block until the entry
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| /// point function has completed execution on the fiber and then return a result
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| /// >= 0, meaning that the entry point function should return the result
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| /// immediately without proceeding with execution.
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| ///
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| CEF_EXPORT int cef_run_winmain_with_preferred_stack_size(wWinMainPtr wWinMain,
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|                                                          HINSTANCE hInstance,
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|                                                          LPWSTR lpCmdLine,
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|                                                          int nCmdShow);
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| CEF_EXPORT int cef_run_main_with_preferred_stack_size(mainPtr main,
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|                                                       int argc,
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|                                                       char* argv[]);
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| #endif  // defined(ARCH_CPU_32_BITS)
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| 
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| ///
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| /// Set to true (1) before calling Windows APIs like TrackPopupMenu that enter a
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| /// modal message loop. Set to false (0) after exiting the modal message loop.
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| ///
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| CEF_EXPORT void cef_set_osmodal_loop(int osModalLoop);
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| 
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| #ifdef __cplusplus
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| }
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| #endif
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| 
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| #endif  // defined(OS_WIN)
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| #endif  // CEF_INCLUDE_INTERNAL_CEF_APP_WIN_H_
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