fix some signal handling

git-svn-id: https://svn.musicpd.org/mpd/trunk@3101 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 11 insertions, 0 deletions

diff --git a/src/interface.c b/src/interface.c
index fac7af771..9b8c09d32 100644
--- a/src/interface.c
+++ b/src/interface.c
@@ -629,11 +629,15 @@ void printInterfaceOutBuffer(Interface * interface) {
 	char * buffer;
 	int ret;
 
+	DEBUG("enter print interface out buffer\n");
+
 	if(!interface->open || interface->expired || !interface->outBuflen) {
+		DEBUG("nothing todo, leaving\n");
 		return;
 	}
 
 	if(interface->bufferList) {
+		DEBUG("we have a bufferList\n");
 		interface->outputBufferSize+=sizeof(ListNode);
 		interface->outputBufferSize+=interface->outBuflen+1;
 		if(interface->outputBufferSize>
@@ -658,9 +662,12 @@ void printInterfaceOutBuffer(Interface * interface) {
 		}
 	}
 	else {
+		DEBUG("no bufferList, just generic buffer\n");
+		DEBUG("attempting to write\n");
 		if((ret = write(interface->fd,interface->outBuffer,
 				interface->outBuflen))<0) 
 		{
+			DEBUG("write unsuccessful\n");
 			if(errno==EAGAIN || errno==EINTR) {
 				buffer = malloc(interface->outBuflen+1);
 				memcpy(buffer,interface->outBuffer,
@@ -678,6 +685,7 @@ void printInterfaceOutBuffer(Interface * interface) {
 			}
 		}
 		else if(ret<interface->outBuflen) {
+			DEBUG("returned less than outBufLen\n");
 			buffer = malloc(interface->outBuflen-ret+1);
 			memcpy(buffer,interface->outBuffer+ret,
 					interface->outBuflen-ret);
@@ -694,7 +702,10 @@ void printInterfaceOutBuffer(Interface * interface) {
 					(char *)interface->bufferList->
 					firstNode->data)+1;
 		}
+		DEBUG("done writing\n");
 	}
 
 	interface->outBuflen = 0;
+
+	DEBUG("leaving print interface out buffer\n");
 }