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-rw-r--r--nscd/connections.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/nscd/connections.c b/nscd/connections.c
index 0a1ca77..a6d2a55 100644
--- a/nscd/connections.c
+++ b/nscd/connections.c
@@ -204,6 +204,26 @@ writeall (int fd, const void *buf, size_t len)
}
+#ifdef HAVE_SENDFILE
+ssize_t
+sendfileall (int tofd, int fromfd, off_t off, size_t len)
+{
+ ssize_t n = len;
+ ssize_t ret;
+
+ do
+ {
+ ret = TEMP_FAILURE_RETRY (sendfile (tofd, fromfd, &off, n));
+ if (ret <= 0)
+ break;
+ n -= ret;
+ }
+ while (n > 0);
+ return ret < 0 ? ret : len - n;
+}
+#endif
+
+
enum usekey
{
use_not = 0,
@@ -957,8 +977,9 @@ cannot handle old request version %d; current version is %d"),
<= (sizeof (struct database_pers_head)
+ db->head->module * sizeof (ref_t)
+ db->head->data_size));
- off_t off = (char *) cached->data - (char *) db->head;
- nwritten = sendfile (fd, db->wr_fd, &off, cached->recsize);
+ nwritten = sendfileall (fd, db->wr_fd,
+ (char *) cached->data
+ - (char *) db->head, cached->recsize);
# ifndef __ASSUME_SENDFILE
if (nwritten == -1 && errno == ENOSYS)
goto use_write;