[PATCH v9 4/4] server: Check wineserver privileges on init with -20 niceness.

[Rémi Bernon]

From: Rémi Bernon

---
 server/thread.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/server/thread.c b/server/thread.c
index 4fe2ad63d9a..86807785062 100644
--- a/server/thread.c
+++ b/server/thread.c
@@ -227,7 +227,14 @@ void init_threading(void)
 #ifdef __linux__
 #ifdef RLIMIT_NICE
     struct rlimit rlimit;
-    if (!getrlimit( RLIMIT_NICE, &rlimit ))
+#endif
+#ifdef HAVE_SETPRIORITY
+    /* if wineserver has cap_sys_nice we are unlimited, but leave -20 to the user */
+    if (!setpriority( PRIO_PROCESS, getpid(), -20 )) nice_limit = -19;
+    setpriority( PRIO_PROCESS, getpid(), 0 );
+#endif
+#ifdef RLIMIT_NICE
+    if (!nice_limit && !getrlimit( RLIMIT_NICE, &rlimit ))
     {
         rlimit.rlim_cur = rlimit.rlim_max;
         setrlimit( RLIMIT_NICE, &rlimit );