refactor: remove macOS MAP_ANONYMOUS work around

fanquake · fanquake · commit 112a7ab9a8e4 · 2022-04-03T13:04:29.000+01:00
This was added to support compilation on macOS 10.10, our minimum required macOS is now 10.15. macOS has also supported it since 10.11. See bitcoin/bitcoin#9063.
diff --git a/src/support/lockedpool.cpp b/src/support/lockedpool.cpp
@@ -235,12 +235,6 @@ PosixLockedPageAllocator::PosixLockedPageAllocator()
 #endif
 }
 
-// Some systems (at least OS X) do not define MAP_ANONYMOUS yet and define
-// MAP_ANON which is deprecated
-#ifndef MAP_ANONYMOUS
-#define MAP_ANONYMOUS MAP_ANON
-#endif
-
 void *PosixLockedPageAllocator::AllocateLocked(size_t len, bool *lockingSuccess)
 {
     void *addr;

Original file line number	Diff line number	Diff line change
`@@ -235,12 +235,6 @@ PosixLockedPageAllocator::PosixLockedPageAllocator()`
`235`	`235`	`#endif`
`236`	`236`	`}`
`237`	`237`
`238`		`-// Some systems (at least OS X) do not define MAP_ANONYMOUS yet and define`
`239`		`-// MAP_ANON which is deprecated`
`240`		`-#ifndef MAP_ANONYMOUS`
`241`		`-#define MAP_ANONYMOUS MAP_ANON`
`242`		`-#endif`
`243`		`-`
`244`	`238`	`void PosixLockedPageAllocator::AllocateLocked(size_t len, bool lockingSuccess)`
`245`	`239`	`{`
`246`	`240`	`void *addr;`