[PATCH] smemcap: keep outputting by ignoring transient processes

[Andre Goddard Rosa]

Signed-off-by: Andre Goddard Rosa <andre.rosa at lge.com>
---
 procps/smemcap.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/procps/smemcap.c b/procps/smemcap.c
index 81f4cafad..1fa27a6c4 100644
--- a/procps/smemcap.c
+++ b/procps/smemcap.c
@@ -65,14 +65,22 @@ static void archivefile(const char *path)
 	struct stat s;
 
 	/* buffer the file */
-	fd = xopen(path, O_RDONLY);
+	fd = open(path, O_RDONLY);
+	if (fd == -1) {
+		// Skip vanished processes between dir listing and traversal
+		return;
+	}
 	do {
 		cur = xzalloc(sizeof(*cur));
 		*prev = cur;
 		prev = &cur->next;
 		r = full_read(fd, cur->data, TAR_BLOCK_SIZE);
-		if (r > 0)
+		if (r > 0) {
 			size += r;
+		} else if (r == -1) {
+			close(fd);
+			return;
+		}
 	} while (r == TAR_BLOCK_SIZE);
 
 	/* write archive header */
-- 
2.19.0.rc0.2.g29d9e3e2c4