feat: add some condition for mman

Author: richerfu

src/sys/mman.rs

@@ -26,10 +26,10 @@ libc_bitflags! {
         /// Pages can be executed
         PROT_EXEC;
         /// Apply protection up to the end of a mapping that grows upwards.
-        #[cfg(linux_android)]
+        #[cfg(any(linux_android, target_env="ohos"))]
         PROT_GROWSDOWN;
         /// Apply protection down to the beginning of a mapping that grows downwards.
-        #[cfg(linux_android)]
+        #[cfg(any(linux_android, target_env="ohos"))]
         PROT_GROWSUP;
     }
 }
@@ -68,30 +68,30 @@ libc_bitflags! {
                   all(target_os = "freebsd", target_pointer_width = "64")))]
         MAP_32BIT;
         /// Used for stacks; indicates to the kernel that the mapping should extend downward in memory.
-        #[cfg(linux_android)]
+        #[cfg(any(linux_android, target_env="ohos"))]
         MAP_GROWSDOWN;
         /// Compatibility flag. Ignored.
-        #[cfg(linux_android)]
+        #[cfg(any(linux_android, target_env="ohos"))]
         MAP_DENYWRITE;
         /// Compatibility flag. Ignored.
-        #[cfg(linux_android)]
+        #[cfg(any(linux_android, target_env="ohos"))]
         MAP_EXECUTABLE;
         /// Mark the mmaped region to be locked in the same way as `mlock(2)`.
-        #[cfg(linux_android)]
+        #[cfg(any(linux_android, target_env="ohos"))]
         MAP_LOCKED;
         /// Do not reserve swap space for this mapping.
         ///
         /// This was removed in FreeBSD 11 and is unused in DragonFlyBSD.
         #[cfg(not(any(freebsdlike, target_os = "aix", target_os = "hurd")))]
         MAP_NORESERVE;
         /// Populate page tables for a mapping.
-        #[cfg(linux_android)]
+        #[cfg(any(linux_android, target_env="ohos"))]
         MAP_POPULATE;
         /// Only meaningful when used with `MAP_POPULATE`. Don't perform read-ahead.
-        #[cfg(linux_android)]
+        #[cfg(any(linux_android, target_env="ohos"))]
         MAP_NONBLOCK;
         /// Allocate the mapping using "huge pages."
-        #[cfg(linux_android)]
+        #[cfg(any(linux_android, target_env="ohos"))]
         MAP_HUGETLB;
         /// Make use of 64KB huge page (must be supported by the system)
         #[cfg(target_os = "linux")]
@@ -145,7 +145,7 @@ libc_bitflags! {
         #[cfg(any(freebsdlike, netbsdlike))]
         MAP_HASSEMAPHORE;
         /// Region grows down, like a stack.
-        #[cfg(any(linux_android, freebsdlike, netbsdlike))]
+        #[cfg(any(linux_android, freebsdlike, netbsdlike, target_env="ohos"))]
         MAP_STACK;
         /// Do not write through the page caches, write directly to the file. Used for Direct Access (DAX) enabled file systems.
         // Available on Linux glibc and musl, MIPS* target excluded.