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Suppress maybe-uninitialized warning by mingw gcc 11

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This commit is contained in:
Nobuyoshi Nakada 2021-05-04 10:08:23 +09:00
parent 7a3dd05e21
commit ef406a6c21
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GPG Key ID: 7CD2805BFA3770C6
1 changed files with 12 additions and 1 deletions
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13
thread_win32.c
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@ -546,6 +546,17 @@ ruby_init_stack(volatile VALUE *addr)
#define CHECK_ERR(expr) \ #define CHECK_ERR(expr) \
{if (!(expr)) {rb_bug("err: %lu - %s", GetLastError(), #expr);}} {if (!(expr)) {rb_bug("err: %lu - %s", GetLastError(), #expr);}}
COMPILER_WARNING_PUSH
#if defined(__GNUC__)
COMPILER_WARNING_IGNORED(-Wmaybe-uninitialized)
#endif
static inline SIZE_T
query_memory_basic_info(PMEMORY_BASIC_INFORMATION mi)
{
return VirtualQuery(mi, mi, sizeof(*mi));
}
COMPILER_WARNING_POP
static void static void
native_thread_init_stack(rb_thread_t *th) native_thread_init_stack(rb_thread_t *th)
{ {
@ -553,7 +564,7 @@ native_thread_init_stack(rb_thread_t *th)
char *base, *end; char *base, *end;
DWORD size, space; DWORD size, space;
CHECK_ERR(VirtualQuery(&mi, &mi, sizeof(mi))); CHECK_ERR(query_memory_basic_info(&mi));
base = mi.AllocationBase; base = mi.AllocationBase;
end = mi.BaseAddress; end = mi.BaseAddress;
end += mi.RegionSize; end += mi.RegionSize;