* ser-base.c (generic_readchar): Watch for EOF in read of error_fd.

[deliverable/binutils-gdb.git] / gdb / ser-pipe.c

diff --git a/gdb/ser-pipe.c b/gdb/ser-pipe.c
index e0454d4c17cc816496b31c0cd67a38354930317c..77c3a08e9a9850ebecca4910065e30ed4d6ca698 100644 (file)
--- a/gdb/ser-pipe.c
+++ b/gdb/ser-pipe.c
@@ -66,7 +66,11 @@ pipe_open (struct serial *scb, const char *name)
   if (socketpair (AF_UNIX, SOCK_STREAM, 0, pdes) < 0)
     return -1;
   if (socketpair (AF_UNIX, SOCK_STREAM, 0, err_pdes) < 0)
-    return -1;
+    {
+      close (pdes[0]);
+      close (pdes[1]);
+      return -1;
+    }
 
   /* Create the child process to run the command in.  Note that the
      apparent call to vfork() below *might* actually be a call to
@@ -123,6 +127,8 @@ pipe_open (struct serial *scb, const char *name)
 
   /* Parent. */
   close (pdes[1]);
+  if (err_pdes[1] != -1)
+    close (err_pdes[1]);
   /* :end chunk */
   state = XMALLOC (struct pipe_state);
   state->pid = pid;
@@ -145,10 +151,15 @@ pipe_close (struct serial *scb)
       int pid = state->pid;
       close (scb->fd);
       scb->fd = -1;
+      if (scb->error_fd != -1)
+       close (scb->error_fd);
+      scb->error_fd = -1;
       xfree (state);
       scb->state = NULL;
       kill (pid, SIGTERM);
-      /* Might be useful to check that the child does die. */
+      /* Might be useful to check that the child does die,
+        and while we're waiting for it to die print any remaining
+        stderr output.  */
     }
 }