Merge pull request #3753 from jschwe/jschwender/backport_ohos

Backport #3735: ohos: Add `shm_open` and `shm_unlink`

Author: JohnTitor

src/unix/linux_like/linux/mod.rs

@@ -4924,9 +4924,6 @@ cfg_if! {
                 spbufp: *mut *mut spwd,
             ) -> ::c_int;
 
-            pub fn shm_open(name: *const c_char, oflag: ::c_int, mode: mode_t) -> ::c_int;
-            pub fn shm_unlink(name: *const ::c_char) -> ::c_int;
-
             pub fn mq_open(name: *const ::c_char, oflag: ::c_int, ...) -> ::mqd_t;
             pub fn mq_close(mqd: ::mqd_t) -> ::c_int;
             pub fn mq_unlink(name: *const ::c_char) -> ::c_int;
@@ -5013,6 +5010,9 @@ extern "C" {
 
     pub fn getspnam(name: *const ::c_char) -> *mut spwd;
 
+    pub fn shm_open(name: *const c_char, oflag: ::c_int, mode: mode_t) -> ::c_int;
+    pub fn shm_unlink(name: *const ::c_char) -> ::c_int;
+
     // System V IPC
     pub fn shmget(key: ::key_t, size: ::size_t, shmflg: ::c_int) -> ::c_int;
     pub fn shmat(shmid: ::c_int, shmaddr: *const ::c_void, shmflg: ::c_int) -> *mut ::c_void;