From: Heng Li <lh3@live.co.uk>
Date: Thu, 18 Nov 2010 16:26:09 +0000 (+0000)
Subject: Apply a patch by Rob Davis, which improves fault detection.
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=4ec3d44869c8aac4db819d48a230b00e05691a57;p=samtools.git

Apply a patch by Rob Davis, which improves fault detection.
---

diff --git a/knetfile.c b/knetfile.c
index e1be4d6..1e2c042 100644
--- a/knetfile.c
+++ b/knetfile.c
@@ -517,7 +517,10 @@ off_t knet_read(knetFile *fp, void *buf, off_t len)
 	if (fp->type == KNF_TYPE_LOCAL) { // on Windows, the following block is necessary; not on UNIX
 		off_t rest = len, curr;
 		while (rest) {
-			curr = read(fp->fd, buf + l, rest);
+			do {
+				curr = read(fp->fd, buf + l, rest);
+			} while (curr < 0 && EINTR == errno);
+			if (curr < 0) return -1;
 			if (curr == 0) break;
 			l += curr; rest -= curr;
 		}