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Don't increment module reference counts due to symbol resolving.

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This commit is contained in:
Mike Pall 2011-11-27 11:45:55 +01:00
parent e3c7476533
commit 0a31c6373c
2 changed files with 6 additions and 4 deletions
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3
src/lib_package.c
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@ -75,6 +75,7 @@ static const char *ll_bcsym(void *lib, const char *sym)
#ifndef GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
#define GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS 4
#define GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT 2
BOOL WINAPI GetModuleHandleExA(DWORD, LPCSTR, HMODULE*);
#endif
@ -132,7 +133,7 @@ static const char *ll_bcsym(void *lib, const char *sym)
} else {
HINSTANCE h = GetModuleHandleA(NULL);
const char *p = (const char *)GetProcAddress(h, sym);
if (p == NULL && GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
if (p == NULL && GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS|GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
(const char *)ll_bcsym, &h))
p = (const char *)GetProcAddress(h, sym);
return p;

7
src/lj_clib.c
View File

@ -134,6 +134,7 @@ static void *clib_getsym(CLibrary *cl, const char *name)
#ifndef GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
#define GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS 4
#define GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT 2
BOOL WINAPI GetModuleHandleExA(DWORD, LPCSTR, HMODULE*);
#endif
@ -217,13 +218,13 @@ static void *clib_getsym(CLibrary *cl, const char *name)
HINSTANCE h = (HINSTANCE)clib_def_handle[i];
if (!(void *)h) { /* Resolve default library handles (once). */
switch (i) {
case CLIB_HANDLE_EXE: GetModuleHandleExA(0, NULL, &h); break;
case CLIB_HANDLE_EXE: GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, NULL, &h); break;
case CLIB_HANDLE_DLL:
GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS|GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
(const char *)clib_def_handle, &h);
break;
case CLIB_HANDLE_CRT:
GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS|GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
(const char *)&_fmode, &h);
break;
case CLIB_HANDLE_KERNEL32: h = LoadLibraryA("kernel32.dll"); break;