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path: root/community/sane/network.patch
blob: 4e422e28d2da4eef7f569f55ef696d203380c304 (plain) (blame)
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diff --git a/sanei/sanei_tcp.c b/sanei/sanei_tcp.c
index a57d7c7..d0a1e92 100644
--- a/sanei/sanei_tcp.c
+++ b/sanei/sanei_tcp.c
@@ -45,6 +45,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
@@ -123,14 +124,27 @@ sanei_tcp_write(int fd, const u_char * buf, int count)
 ssize_t
 sanei_tcp_read(int fd, u_char * buf, int count)
 {
-        ssize_t bytes_recv = 0, rc = 1;
+    ssize_t bytes_recv = 0, rc = 1;
+	int retry = 5;
 
 	while (bytes_recv < count && rc > 0)
 	{
 		rc = recv(fd, buf+bytes_recv, count-bytes_recv, 0);
+		DBG(1, "%s: bytes received %d\n", __FUNCTION__, rc);
 		if (rc > 0)
 		  bytes_recv += rc;
-
+		else {
+			if ( errno == EAGAIN && retry-- ) {
+				DBG(1, "%s: waiting  %d\n", __FUNCTION__, retry);
+				/* wait for max 1s */
+				struct timespec req;
+				struct timespec rem;
+				req.tv_sec = 0;
+				req.tv_nsec= 100000000;
+				nanosleep(&req, &rem);
+				rc = 1;
+			}
+		}
 	}
 	return bytes_recv;
 }