Re: [PATCH v3 22/23] bsd-user: Implement shmat(2) and shmdt(2)

[Richard Henderson]

On 9/9/23 12:37, Karim Taha wrote:

+static inline abi_long do_bsd_shmdt(abi_ulong shmaddr)
+{
+    int i;
+
+    for (i = 0; i < N_BSD_SHM_REGIONS; ++i) {
+        if (bsd_shm_regions[i].start == shmaddr) {
+            bsd_shm_regions[i].start = 0;
+            page_set_flags(shmaddr,
+                shmaddr + bsd_shm_regions[i].size, 0);
+            break;
+        }
+    }
+
+    return get_errno(shmdt(g2h_untagged(shmaddr)));
+}

On success, this needs to mmap_reserve the region for reserved_va.


r~