minios: Implement some extra lib functions for ocaml xenstored stubdom

We could stub them out as unsupported, but we may as well implement
them as they are very simple.

Signed-off-by: Alex Zeffertt <alex.zeffertt@eu.citrix.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/extras/mini-os/lib/sys.c b/extras/mini-os/lib/sys.c
index 876443cf19..d0bc76a659 100644
--- a/extras/mini-os/lib/sys.c
+++ b/extras/mini-os/lib/sys.c
@@ -1185,6 +1185,32 @@ int clock_gettime(clockid_t clk_id, struct timespec *tp)
     return 0;
 }
 
+uid_t getuid(void)
+{
+	return 0;
+}
+
+uid_t geteuid(void)
+{
+	return 0;
+}
+
+gid_t getgid(void)
+{
+	return 0;
+}
+
+gid_t getegid(void)
+{
+	return 0;
+}
+
+int gethostname(char *name, size_t namelen)
+{
+	strncpy(name, "mini-os", namelen);
+	return 0;
+}
+
 size_t getpagesize(void)
 {
     return PAGE_SIZE;
@@ -1255,6 +1281,12 @@ void sparse(unsigned long data, size_t size)
     do_map_zero(data, n);
 }
 
+int nice(int inc)
+{
+    printk("nice() stub called with inc=%d\n", inc);
+    return 0;
+}
+
 
 /* Not supported by FS yet.  */
 unsupported_function_crash(link);