From: Davidlohr Bueso <dave@xxxxxxx>
This is a relatively dumb patch, but I actually did see a user trigger it. It simply warns the user about mounting the proc filesystem.
If not found, it aborts the program immediately.
Signed-off-by: Davidlohr Bueso <dave@xxxxxxx>
---
sys-utils/lscpu.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/sys-utils/lscpu.c b/sys-utils/lscpu.c
index 66f6126..b063fa7 100644
--- a/sys-utils/lscpu.c
+++ b/sys-utils/lscpu.c
@@ -32,6 +32,8 @@
#include <unistd.h>
#include <stdarg.h>
#include <bitops.h>
+#include <sys/types.h>
+#include <sys/stat.h>
#include "cpuset.h"
#include "nls.h"
@@ -925,6 +927,13 @@ void usage(int rc)
exit(rc);
}
+void has_procfs(void)
+{
+ struct stat sb;
+ if (stat(_PATH_PROC_CPUINFO, &sb) < 0)
+ errx(EXIT_FAILURE, _("error: mount procfs and rerun"));
+}
+
int main(int argc, char *argv[])
{
struct lscpu_desc _desc, *desc = &_desc;
@@ -938,6 +947,8 @@ int main(int argc, char *argv[])
{ NULL, 0, 0, 0 }
};
+ has_procfs();
+
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
--
1.7.1
--
To unsubscribe from this list: send the line "unsubscribe util-linux" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
