set memory limits

diff --git a/hostside/rtprio.c b/hostside/rtprio.c
index ac6b49e11817a2a31b6e36eefffc24bf1ec75b81..df3a2b7eaea83806ff5b650b68f5cd834e4bf077 100644 (file)
--- a/hostside/rtprio.c
+++ b/hostside/rtprio.c
@@ -13,11 +13,20 @@
 
 /*---------- !ALL(MEM): prevent us eating all RAM ----------*/
 
-static void rtf_limit_MEM(void) { }
+static void rtf_limit_MEM(void) {
+  int r;
+  struct rlimit64 rl;
+  r= getrlimit64(RLIMIT_MEMLOCK,&rl);  if (r) diee("getrlimit RLIMIT_MEMLOCK");
+  rl.rlim_cur= 4*1024*1024;
+  r= setrlimit64(RLIMIT_MEMLOCK,&rl);  if (r) diee("setrlimit RLIMIT_MEMLOCK");
+}
 
 /*---------- MEM: lock us into memory ----------*/
 
-static void rtf_acquire_MEM(void) { }
+static void rtf_acquire_MEM(void) {
+  int r;
+  r= mlockall(MCL_CURRENT|MCL_FUTURE);  if (r) diee("mlockall");
+}
 
 /*---------- !ALL(CPU): use SIGXCPU to detect us spinning ----------*/