From: Joel Brobecker <brobecker@gnat.com>
Date: Mon, 7 Jan 2013 11:43:16 +0000 (+0000)
Subject: Add ptrace error handling in lynx_resume
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=9044dee230260e0bb9343e27648fd95f2eb7ceb8;p=deliverable%2Fbinutils-gdb.git

Add ptrace error handling in lynx_resume

gdb/gdbserver/ChangeLog:

        * lynx-low.c (lynx_resume): Call perror_with_name if lynx_ptrace
        sets errno.
---

diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index 49aa2864e8..581a864dcb 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,3 +1,8 @@
+2013-01-07  Joel Brobecker  <brobecker@adacore.com>
+
+	* lynx-low.c (lynx_resume): Call perror_with_name if lynx_ptrace
+	sets errno.
+
 2013-01-07  Joel Brobecker  <brobecker@adacore.com>
 
 	* configure.srv (i[34567]86-*-lynxos*): Set srv_xmlfiles.
diff --git a/gdb/gdbserver/lynx-low.c b/gdb/gdbserver/lynx-low.c
index 4aba379f1a..ccee8c8ead 100644
--- a/gdb/gdbserver/lynx-low.c
+++ b/gdb/gdbserver/lynx-low.c
@@ -359,7 +359,11 @@ lynx_resume (struct thread_resume *resume_info, size_t n)
     ptid = thread_to_gdb_id (current_inferior);
 
   regcache_invalidate ();
+
+  errno = 0;
   lynx_ptrace (request, ptid, 1, signal, 0);
+  if (errno)
+    perror_with_name ("ptrace");
 }
 
 /* Resume the execution of the given PTID.  */