sharing: Large import of segment sharing code.

1 files changed, 29 insertions, 0 deletions

diff --git a/tests/testutils.c b/tests/testutils.c
index 1af1726..67cdb39 100644
--- a/tests/testutils.c
+++ b/tests/testutils.c
@@ -27,9 +27,11 @@
 #include <errno.h>
 #include <unistd.h>
 #include <signal.h>
+#include <sys/types.h>
 #include <sys/vfs.h>
 #include <sys/ipc.h>
 #include <sys/shm.h>
+#include <sys/stat.h>
 
 #include "hugetests.h"
 
@@ -151,6 +153,33 @@ int test_addr_huge(void *p)
 	return (sb.f_type == HUGETLBFS_MAGIC);
 }
 
+ino_t get_addr_inode(void *p)
+{
+	char name[256];
+	int ret;
+	struct stat sb;
+
+	ret = read_maps((unsigned long)p, name);
+	if (ret < 0)
+		return ret;
+	if (ret == 0) {
+		ERROR("Couldn't find address %p in /proc/self/maps\n", p);
+		return -1;
+	}
+
+	/* looks like a filename? */
+	if (name[0] != '/')
+		return 0;
+
+	/* Truncate the filename portion */
+
+	ret = stat(name, &sb);
+	if (ret < 0)
+		return -1;
+
+	return sb.st_ino;
+}
+
 int remove_shmid(int shmid)
 {
 	if (shmid >= 0) {