Use SOCK_SEQPACKET between processes to ensure EOF receipt. Probably only works on...

diff --git a/lib/proc.c b/lib/proc.c
index f7b0d9b..efd2767 100644 (file)
--- a/lib/proc.c
+++ b/lib/proc.c
@@ -35,7 +35,7 @@ int stdmkchild(char **argv)
     pid_t pid;
     int fd[2];
     
-    if(socketpair(PF_UNIX, SOCK_DGRAM, 0, fd))
+    if(socketpair(PF_UNIX, SOCK_SEQPACKET, 0, fd))
        return(-1);
     if((pid = fork()) < 0)
        return(-1);
@@ -98,8 +98,10 @@ int recvfd(int sock, char **data, size_t *datalen)
     msg.msg_controllen = sizeof(cbuf);
     
     ret = recvmsg(sock, &msg, 0);
-    if(ret < 0) {
+    if(ret <= 0) {
        free(buf);
+       if(ret == 0)
+           errno = 0;
        return(-1);
     }