TryAcquireSRWLock workaround

Author: K4sum1

library/std/src/sys/pal/windows/c.rs

@@ -12,6 +12,9 @@ mod windows_sys;
 pub use windows_sys::*;
 
 pub type WCHAR = u16;
+pub type BOOLEAN = i32;
+pub const TRUE: BOOLEAN = 1;
+pub const FALSE: BOOLEAN = 0;
 
 pub const INVALID_HANDLE_VALUE: HANDLE = ::core::ptr::without_provenance_mut(-1i32 as _);
 
@@ -106,6 +109,17 @@ if #[cfg(not(target_vendor = "uwp"))] {
 }
 }
 
+pub unsafe fn TryAcquireSRWLockExclusive(srwlock: *mut SRWLOCK) -> BOOLEAN {
+    unsafe {AcquireSRWLockExclusive(srwlock)};
+    TRUE  // Always return TRUE for blocking lock
+}
+
+#[allow(dead_code)]
+pub unsafe fn TryAcquireSRWLockShared(srwlock: *mut SRWLOCK) -> BOOLEAN {
+    unsafe {AcquireSRWLockShared(srwlock)};
+    TRUE  // Always return TRUE for blocking lock
+}
+
 // Use raw-dylib to import ProcessPrng as we can't rely on there being an import library.
 // Functions that aren't available on every version of Windows that we support,
 // but we still use them and just provide some form of a fallback implementation.

library/std/src/sys/pal/windows/c/windows_sys.rs

@@ -96,8 +96,6 @@ windows_targets::link!("kernel32.dll" "system" fn TlsAlloc() -> u32);
 windows_targets::link!("kernel32.dll" "system" fn TlsFree(dwtlsindex : u32) -> BOOL);
 windows_targets::link!("kernel32.dll" "system" fn TlsGetValue(dwtlsindex : u32) -> *mut core::ffi::c_void);
 windows_targets::link!("kernel32.dll" "system" fn TlsSetValue(dwtlsindex : u32, lptlsvalue : *const core::ffi::c_void) -> BOOL);
-windows_targets::link!("kernel32.dll" "system" fn TryAcquireSRWLockExclusive(srwlock : *mut SRWLOCK) -> BOOLEAN);
-windows_targets::link!("kernel32.dll" "system" fn TryAcquireSRWLockShared(srwlock : *mut SRWLOCK) -> BOOLEAN);
 windows_targets::link!("kernel32.dll" "system" fn UnlockFile(hfile : HANDLE, dwfileoffsetlow : u32, dwfileoffsethigh : u32, nnumberofbytestounlocklow : u32, nnumberofbytestounlockhigh : u32) -> BOOL);
 windows_targets::link!("kernel32.dll" "system" fn UpdateProcThreadAttribute(lpattributelist : LPPROC_THREAD_ATTRIBUTE_LIST, dwflags : u32, attribute : usize, lpvalue : *const core::ffi::c_void, cbsize : usize, lppreviousvalue : *mut core::ffi::c_void, lpreturnsize : *const usize) -> BOOL);
 windows_targets::link!("kernel32.dll" "system" fn WaitForMultipleObjects(ncount : u32, lphandles : *const HANDLE, bwaitall : BOOL, dwmilliseconds : u32) -> WAIT_EVENT);