stream: Use MSG_NOSIGNAL flag if available for send().

This avoids MPlayer quitting due to SIGPIPE at least for these cases.
Ignoring SIGPIPE in general would break window-closing with some
window-managers.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31566 b3059339-0415-0410-9bf9-f77b7e298cf2

stream/asf_streaming.c

@@ -727,7 +727,7 @@ static int asf_http_streaming_start( stream_t *stream, int *demuxer_type ) {
 		http_hdr = asf_http_request( stream->streaming_ctrl );
 		mp_msg(MSGT_NETWORK,MSGL_DBG2,"Request [%s]\n", http_hdr->buffer );
 		for(i=0; i < (int)http_hdr->buffer_size ; ) {
-			int r = send( fd, http_hdr->buffer+i, http_hdr->buffer_size-i, 0 );
+			int r = send( fd, http_hdr->buffer+i, http_hdr->buffer_size-i, DEFAULT_SEND_FLAGS );
 			if(r <0) {
 				mp_tmsg(MSGT_NETWORK,MSGL_ERR,"socket write error: %s\n",strerror(errno));
 				goto err_out;

stream/librtsp/rtsp.c

@@ -51,6 +51,7 @@
 #include "rtsp.h"
 #include "rtsp_session.h"
 #include "osdep/timer.h"
+#include "stream/network.h"
 
 /*
 #define LOG
@@ -67,7 +68,7 @@ static int write_stream(int s, const char *buf, int len) {
   while (total < len){
     int n;
 
-    n = send (s, &buf[total], len - total, 0);
+    n = send (s, &buf[total], len - total, DEFAULT_SEND_FLAGS);
 
     if (n > 0)
       total += n;

stream/librtsp/rtsp_rtp.c

@@ -93,7 +93,7 @@ rtcp_send_rr (rtsp_t *s, struct rtp_rtsp_session_t *st)
   {
     char rtcp_content[RTCP_RR_SIZE];
     strcpy (rtcp_content, RTCP_RR);
-    send (st->rtcp_socket, rtcp_content, RTCP_RR_SIZE, 0);
+    send (st->rtcp_socket, rtcp_content, RTCP_RR_SIZE, DEFAULT_SEND_FLAGS);
 
     /* ping RTSP server to keep connection alive.
        we use OPTIONS instead of PING as not all servers support it */

stream/network.c

@@ -274,7 +274,7 @@ http_send_request( URL_t *url, off_t pos ) {
 	}
 	mp_msg(MSGT_NETWORK,MSGL_DBG2,"Request: [%s]\n", http_hdr->buffer );
 
-	ret = send( fd, http_hdr->buffer, http_hdr->buffer_size, 0 );
+	ret = send( fd, http_hdr->buffer, http_hdr->buffer_size, DEFAULT_SEND_FLAGS );
 	if( ret!=(int)http_hdr->buffer_size ) {
 		mp_tmsg(MSGT_NETWORK,MSGL_ERR,"Error while sending HTTP request: Didn't send all the request.\n");
 		goto err_out;

stream/network.h

@@ -39,6 +39,12 @@
 #include "url.h"
 #include "http.h"
 
+#ifdef MSG_NOSIGNAL
+#define DEFAULT_SEND_FLAGS MSG_NOSIGNAL
+#else
+#define DEFAULT_SEND_FLAGS 0
+#endif
+
 #if !HAVE_CLOSESOCKET
 #define closesocket close
 #endif

stream/stream_ftp.c

@@ -213,7 +213,7 @@ static int FtpSendCmd(const char *cmd, struct stream_priv_s *nControl,char* rsp)
   if(hascrlf && l == 2) mp_msg(MSGT_STREAM,MSGL_V, "\n");
   else mp_msg(MSGT_STREAM,MSGL_V, "[ftp] > %s",cmd);
   while(l > 0) {
-    int s = send(nControl->handle,cmd,l,0);
+    int s = send(nControl->handle,cmd,l,DEFAULT_SEND_FLAGS);
 
     if(s <= 0) {
       mp_msg(MSGT_OPEN,MSGL_ERR, "[ftp] write error: %s\n",strerror(errno));
@@ -343,8 +343,8 @@ static int seek(stream_t *s,off_t newpos) {
     //fcntl(p->handle,F_SETFL,fl&~O_NONBLOCK);
 
     // send only first byte as OOB due to OOB braindamage in many unices
-    send(p->handle,pre_cmd,1,MSG_OOB);
-    send(p->handle,pre_cmd+1,sizeof(pre_cmd)-1,0);
+    send(p->handle,pre_cmd,1,MSG_OOB|DEFAULT_SEND_FLAGS);
+    send(p->handle,pre_cmd+1,sizeof(pre_cmd)-1,DEFAULT_SEND_FLAGS);
 
     //fcntl(p->handle,F_SETFL,fl);
 

stream/stream_netstream.h

@@ -124,7 +124,7 @@ static mp_net_stream_packet_t* read_packet(int fd) {
 static int net_write(int fd, char* buf, int len) {
   int w;
   while(len) {
-    w = send(fd,buf,len,0);
+    w = send(fd,buf,len,DEFAULT_SEND_FLAGS);
     if(w <= 0) {
       if(errno == EINTR) continue;
       if(w < 0)