diff options
Diffstat (limited to 'win32/win32.c')
-rw-r--r-- | win32/win32.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/win32/win32.c b/win32/win32.c index 8d1f3e483f..1b878c450e 100644 --- a/win32/win32.c +++ b/win32/win32.c @@ -3627,56 +3627,6 @@ rb_w32_times(struct tms *tmbuf) #define yield_once() Sleep(0) #define yield_until(condition) do yield_once(); while (!(condition)) -static CRITICAL_SECTION * -system_state(void) -{ - static int initialized = 0; - static CRITICAL_SECTION syssect; - - if (!initialized) { - InitializeCriticalSection(&syssect); - initialized = 1; - } - return &syssect; -} - -static LONG flag_interrupt = -1; -static volatile DWORD tlsi_interrupt = TLS_OUT_OF_INDEXES; - -void -rb_w32_enter_critical(void) -{ - if (IsWinNT()) { - EnterCriticalSection(system_state()); - return; - } - - if (tlsi_interrupt == TLS_OUT_OF_INDEXES) { - tlsi_interrupt = TlsAlloc(); - } - - { - DWORD ti = (DWORD)TlsGetValue(tlsi_interrupt); - while (InterlockedIncrement(&flag_interrupt) > 0 && !ti) { - InterlockedDecrement(&flag_interrupt); - Sleep(1); - } - TlsSetValue(tlsi_interrupt, (PVOID)++ti); - } -} - -void -rb_w32_leave_critical(void) -{ - if (IsWinNT()) { - LeaveCriticalSection(system_state()); - return; - } - - InterlockedDecrement(&flag_interrupt); - TlsSetValue(tlsi_interrupt, (PVOID)((DWORD)TlsGetValue(tlsi_interrupt) - 1)); -} - struct handler_arg_t { void (*handler)(int); int arg; |