bsd-user: Implement mlock(2), munlock(2), mlockall(2), munlockall(2), minherit(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-16-kariem.taha2.7@gmail.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h
index 5e885823a7..16c22593bf 100644
--- a/bsd-user/bsd-mem.h
+++ b/bsd-user/bsd-mem.h
@@ -99,4 +99,41 @@ static inline abi_long do_bsd_msync(abi_long addr, abi_long len, abi_long flags)
     return get_errno(msync(g2h_untagged(addr), len, flags));
 }
 
+/* mlock(2) */
+static inline abi_long do_bsd_mlock(abi_long arg1, abi_long arg2)
+{
+    if (!guest_range_valid_untagged(arg1, arg2)) {
+        return -TARGET_EINVAL;
+    }
+    return get_errno(mlock(g2h_untagged(arg1), arg2));
+}
+
+/* munlock(2) */
+static inline abi_long do_bsd_munlock(abi_long arg1, abi_long arg2)
+{
+    if (!guest_range_valid_untagged(arg1, arg2)) {
+        return -TARGET_EINVAL;
+    }
+    return get_errno(munlock(g2h_untagged(arg1), arg2));
+}
+
+/* mlockall(2) */
+static inline abi_long do_bsd_mlockall(abi_long arg1)
+{
+    return get_errno(mlockall(arg1));
+}
+
+/* munlockall(2) */
+static inline abi_long do_bsd_munlockall(void)
+{
+    return get_errno(munlockall());
+}
+
+/* minherit(2) */
+static inline abi_long do_bsd_minherit(abi_long addr, abi_long len,
+        abi_long inherit)
+{
+    return get_errno(minherit(g2h_untagged(addr), len, inherit));
+}
+
 #endif /* BSD_USER_BSD_MEM_H */