1 files changed, 31 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index a62bd9bd6b..0e506cc137 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -3054,6 +3054,37 @@ static inline abi_long host_to_target_timespec(abi_ulong target_addr,
     unlock_user_struct(target_ts, target_addr, 1);
 }
 
+int get_osversion(void)
+{
+    static int osversion;
+    struct new_utsname buf;
+    const char *s;
+    int i, n, tmp;
+    if (osversion)
+        return osversion;
+    if (qemu_uname_release && *qemu_uname_release) {
+        s = qemu_uname_release;
+    } else {
+        if (sys_uname(&buf))
+            return 0;
+        s = buf.release;
+    }
+    tmp = 0;
+    for (i = 0; i < 3; i++) {
+        n = 0;
+        while (*s >= '0' && *s <= '9') {
+            n *= 10;
+            n += *s - '0';
+            s++;
+        }
+        tmp = (tmp << 8) + n;
+        if (*s == '.')
+            s++;
+    }
+    osversion = tmp;
+    return osversion;
+}
+
 /* do_syscall() should always have a single exit point at the end so
    that actions, such as logging of syscall results, can be performed.
    All errnos that do_syscall() returns must be -TARGET_<errcode>. */