[LTP] [PATCH v2 1/4] Add SAFE_SYSINFO() macro

[Martin Doucha]

Signed-off-by: Martin Doucha <mdoucha@suse.cz>
---

Changes since v1: New patch

 include/tst_safe_macros.h |  5 +++++
 lib/safe_macros.c         | 20 ++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/include/tst_safe_macros.h b/include/tst_safe_macros.h
index 000381c4f..053c3bcf9 100644
--- a/include/tst_safe_macros.h
+++ b/include/tst_safe_macros.h
@@ -12,6 +12,7 @@
 #include <sys/resource.h>
 #include <sys/stat.h>
 #include <sys/vfs.h>
+#include <sys/sysinfo.h>
 #include <fcntl.h>
 #include <libgen.h>
 #include <signal.h>
@@ -598,4 +599,8 @@ long tst_safe_ptrace(const char *file, const int lineno, int req, pid_t pid,
 #define SAFE_PTRACE(req, pid, addr, data) \
 	tst_safe_ptrace(__FILE__, __LINE__, req, pid, addr, data)
 
+int safe_sysinfo(const char *file, const int lineno, struct sysinfo *info);
+#define SAFE_SYSINFO(info) \
+	safe_sysinfo(__FILE__, __LINE__, (info))
+
 #endif /* SAFE_MACROS_H__ */
diff --git a/lib/safe_macros.c b/lib/safe_macros.c
index dde9b7b5e..5ef9ee1c5 100644
--- a/lib/safe_macros.c
+++ b/lib/safe_macros.c
@@ -11,6 +11,7 @@
 #include <sys/wait.h>
 #include <sys/mount.h>
 #include <sys/xattr.h>
+#include <sys/sysinfo.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <libgen.h>
@@ -1088,3 +1089,22 @@ int safe_mincore(const char *file, const int lineno, void *start,
 
 	return rval;
 }
+
+int safe_sysinfo(const char *file, const int lineno, struct sysinfo *info)
+{
+	int ret;
+
+	errno = 0;
+	ret = sysinfo(info);
+
+	if (ret == -1) {
+		tst_brkm_(file, lineno, TBROK | TERRNO, NULL,
+			"sysinfo() failed");
+	} else if (ret) {
+		tst_brkm_(file, lineno, TBROK | TERRNO, NULL,
+			"Invalid sysinfo() return value %d", ret);
+
+	}
+
+	return ret;
+}
-- 
2.28.0