From 5f318d809226e741f04f48a9974fe007d1fc8ecc Mon Sep 17 00:00:00 2001
From: Torsten Merz <tm@moon-ph.visitor.csiro.au>
Date: Thu, 22 Nov 2018 13:13:28 +1000
Subject: [PATCH] added sig_atomic_t type size check
---
smi/src/nrt_system.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/smi/src/nrt_system.c b/smi/src/nrt_system.c
index 7e8d71c..7edfab3 100644
--- a/smi/src/nrt_system.c
+++ b/smi/src/nrt_system.c
@@ -7,6 +7,8 @@
#include <stdlib.h>
#include <sys/io.h>
#include <sys/resource.h>
+#include <limits.h>
+#include <signal.h>
// UDP socket related
#include <netdb.h>
@@ -375,6 +377,14 @@ int nrtSmi(char *esmFile, char *tssFile, char *tdeFile, char *cfgFile) {
printf("[nrtSmi] data type mismatch\n");
goto exit;
}
+
+ /* check size of sig_atomic_t type */
+ if (sizeof(sig_atomic_t)*CHAR_BIT<4*8)
+ {
+ error=4;
+ printf("[nrtSmi] atomic type size too small\n");
+ goto exit;
+ }
printf("[nrtSmi] allocating system shared memory\n");
if (initShm(&shm_fd,sizeof(shm_struct),(void *) &shm,SHM_FILE)!=0) {
--
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