From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 11 Jun 2010 21:29:31 +0000 (+0000)
Subject: error checking
X-Git-Tag: initial-import-from-subversion-38251~21415
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=40be0654bde9821298f70c17d53529d82918a015;p=oweals%2Fgnunet.git

error checking
---

diff --git a/src/util/os_priority.c b/src/util/os_priority.c
index 77b262703..7e6750e8b 100644
--- a/src/util/os_priority.c
+++ b/src/util/os_priority.c
@@ -233,19 +233,20 @@ GNUNET_OS_start_process (struct GNUNET_DISK_PipeHandle *pipe_stdin,
 
   if (pipe_stdout != NULL)
     {
-      dup2(fd_stdout_write, 1);
-      close (fd_stdout_write);
-      close (fd_stdout_read);
+      GNUNET_break (0 == close (fd_stdout_read));
+      if (-1 == dup2(fd_stdout_write, 1))
+	GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "dup2");	
+      GNUNET_break (0 == close (fd_stdout_write));
     }
 
   if (pipe_stdin != NULL)
     {
 
-      dup2(fd_stdin_read, 0);
-      close (fd_stdin_read);
-      close (fd_stdin_write);
+      GNUNET_break (0 == close (fd_stdin_write));
+      if (-1 == dup2(fd_stdin_read, 0))
+	GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "dup2");	
+      GNUNET_break (0 == close (fd_stdin_read));
     }
-
   execvp (filename, argv);
   GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, "execvp", filename);
   _exit (1);