X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=dccp_send.c;h=f05e5bdd53e432b10c7e08dcf823619f08df0373;hp=9bfe65f68a7bc7634c5ba581589e95c96c434e18;hb=d830824b39d538a9311ed8a490b8265dc2caa73a;hpb=8cec3d1edb26b4861e2b5bdbb9f70241cdd7f03b

diff --git a/dccp_send.c b/dccp_send.c
index 9bfe65f6..f05e5bdd 100644
--- a/dccp_send.c
+++ b/dccp_send.c
@@ -31,8 +31,10 @@
 #include "dccp.h"
 #include "error.h"
 #include "string.h"
+#include "fd.h"
+#include "close_on_fork.h"
 #include "server.cmdline.h"
-extern struct gengetopt_args_info conf;
+
 /** the list of connected clients **/
 static struct list_head clients;
 static int listen_fd = -1;
@@ -75,6 +77,8 @@ static void dccp_post_select(fd_set *rfds, __a_unused fd_set *wfds)
 	PARA_NOTICE_LOG("connection from %s\n", inet_ntoa(dc->addr.sin_addr));
 	dc->fd = ret;
 	list_add(&dc->node, &clients);
+	add_close_on_fork_list(dc->fd);
+	mark_fd_nonblock(dc->fd);
 }
 
 static int dccp_open(void)
@@ -101,6 +105,8 @@ static int dccp_open(void)
 	if (ret < 0)
 		return -E_DCCP_LISTEN;
 	PARA_DEBUG_LOG("listening on fd %d\n", listen_fd);
+	add_close_on_fork_list(listen_fd);
+	mark_fd_nonblock(listen_fd);
 	return 1;
 }
 
@@ -109,19 +115,27 @@ static void dccp_shutdown_client(struct dccp_client *dc)
 	PARA_DEBUG_LOG("shutting down %s (fd %d)\n", inet_ntoa(dc->addr.sin_addr),
 		dc->fd);
 	close(dc->fd);
+	del_close_on_fork_list(dc->fd);
 	list_del(&dc->node);
 	free(dc);
 }
 
+#define DCCP_RETRIES 100
+
 static int dccp_write(int fd, const char *buf, size_t len)
 {
-	size_t send, written = 0;
-	int ret;
+	size_t size, written = 0;
+	int ret, retries = 0;
 again:
-	send = PARA_MIN(1024, len - written);
-	ret = write(fd, buf + written, send);
-	if (ret < 0)
-		goto err_out;
+	size = PARA_MIN(1024, len - written);
+	ret = write(fd, buf + written, size);
+	if (ret < 0) {
+		if (errno != EAGAIN || !retries++ > DCCP_RETRIES)
+			goto err_out;
+		PARA_DEBUG_LOG("EAGAIN #%zd@%zd/%d\n", retries, written, len);
+		goto again;
+	}
+	retries = 0;
 	written += ret;
 	if (written >= len)
 		return written;