forked from 0ad/0ad
janwas
5919fc7877
. allocators: add static_calloc. also: documention was duplicated in header; merge it. . wdir_watch: fix last remaining static object init issues . add rationale and explanations to lib_errors, wsdl, qpc, whrt. . cpu/ia32: remove throttling detection (hacky); will be taken care of by tsc. . ia32: expose vendor . wdbg_sym: add its own critical section (safer, less contention) This was SVN commit r5114.
114 lines
2.2 KiB
C
114 lines
2.2 KiB
C
/**
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* =========================================================================
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* File : wutil.h
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* Project : 0 A.D.
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* Description : various Windows-specific utilities
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* =========================================================================
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*/
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// license: GPL; see lib/license.txt
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#ifndef INCLUDED_WUTIL
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#define INCLUDED_WUTIL
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#if !OS_WIN
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#error "wutil.h: do not include if not compiling for Windows"
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#endif
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#include "win.h"
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//
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// safe allocator
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//
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extern void* win_alloc(size_t size);
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extern void win_free(void* p);
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//
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// locks
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//
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// critical sections used by win-specific code
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enum
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{
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ONCE_CS,
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WAIO_CS,
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WDBG_CS,
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WDBG_SYM_CS,
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NUM_CS
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};
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extern void win_lock(uint idx);
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extern void win_unlock(uint idx);
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// used in a desperate attempt to avoid deadlock in wdbg_exception_handler.
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extern int win_is_locked(uint idx);
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// thread safe, usable in constructors
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#define WIN_ONCE(code)\
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{\
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win_lock(ONCE_CS);\
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static bool ONCE_init_; /* avoid name conflict */\
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if(!ONCE_init_)\
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{\
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ONCE_init_ = true;\
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code;\
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}\
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win_unlock(ONCE_CS);\
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}
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//
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// error codes
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//
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#define WIN_SAVE_LAST_ERROR DWORD last_err__ = GetLastError();
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#define WIN_RESTORE_LAST_ERROR STMT(if(last_err__ != 0 && GetLastError() == 0) SetLastError(last_err__););
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/**
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* @return the LibError equivalent of GetLastError(), or ERR::FAIL if
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* there's no equivalent.
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* you should SetLastError(0) before calling whatever will set ret
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* to make sure we do not report any stale errors.
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*
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* @param warn_if_failed if set, raises an error dialog that reports
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* the LibError.
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**/
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LibError LibError_from_GLE(bool warn_if_failed = true);
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#define WARN_WIN32_ERR (void)LibError_from_GLE(true)
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/// if ret is false, returns LibError_from_GLE.
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extern LibError LibError_from_win32(DWORD ret, bool warn_if_failed = true);
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//
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// directories
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//
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extern char win_sys_dir[MAX_PATH+1];
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extern char win_exe_dir[MAX_PATH+1];
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//
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// version
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//
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extern const char* wutil_WindowsVersionString();
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extern bool wutil_IsVista();
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//
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// Wow64
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//
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extern bool wutil_IsWow64();
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extern void wutil_DisableWow64Redirection(void*& wasRedirectionEnabled);
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extern void wutil_RevertWow64Redirection(void* wasRedirectionEnabled);
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#endif // #ifndef INCLUDED_WUTIL
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