From: Jann Horn <jann@thejh.net>
Date: Mon, 19 Aug 2013 21:15:29 +0000 (+0200)
Subject: io: retry read/write on EINTR
X-Git-Url: http://git.thejh.net/?p=libjh.git;a=commitdiff_plain;h=9e73c19b7eb834507b9e62cb84b07ca53ad7a914

io: retry read/write on EINTR
---

diff --git a/io.c b/io.c
index 3c0a8eb..2173478 100644
--- a/io.c
+++ b/io.c
@@ -24,6 +24,7 @@ PUBLIC_FN ssize_t read_nointr(int fd, void *buf, size_t count, int *last_res) {
   size_t done = 0;
   while (done < count) {
     ssize_t part_res = read(fd, buf+done, count-done);
+    if (part_res == -1 && errno == EINTR) continue;
     if (part_res <= 0) {
       if (last_res) *last_res = part_res;
       if (done) return done;
@@ -47,6 +48,7 @@ PUBLIC_FN ssize_t write_nointr(int fd, void *buf, size_t count, int *last_res) {
   size_t done = 0;
   while (done < count) {
     ssize_t part_res = write(fd, buf+done, count-done);
+    if (part_res == -1 && errno == EINTR) continue;
     if (part_res <= 0) {
       if (last_res) *last_res = part_res;
       if (done) return done;