seqlock: rename write_lock/unlock to write_begin/end

[mirror_qemu.git] / os-posix.c

diff --git a/os-posix.c b/os-posix.c
index 87e2a1696de5d29739d9d75551c85de2d37ba645..107fde38bfddfab87aaa98a315d89e4c5fecb0dc 100644 (file)
--- a/os-posix.c
+++ b/os-posix.c
@@ -23,10 +23,7 @@
  * THE SOFTWARE.
  */
 
-#include <unistd.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <sys/types.h>
+#include "qemu/osdep.h"
 #include <sys/wait.h>
 /*needed for MAP_POPULATE before including qemu-options.h */
 #include <sys/mman.h>
@@ -35,12 +32,13 @@
 #include <libgen.h>
 
 /* Needed early for CONFIG_BSD etc. */
-#include "config-host.h"
 #include "sysemu/sysemu.h"
 #include "net/slirp.h"
 #include "qemu-options.h"
 #include "qemu/rcu.h"
 #include "qemu/error-report.h"
+#include "qemu/log.h"
+#include "qemu/cutils.h"
 
 #ifdef CONFIG_LINUX
 #include <sys/prctl.h>
@@ -279,7 +277,10 @@ void os_setup_post(void)
 
         dup2(fd, 0);
         dup2(fd, 1);
-        dup2(fd, 2);
+        /* In case -D is given do not redirect stderr to /dev/null */
+        if (!qemu_logfile) {
+            dup2(fd, 2);
+        }
 
         close(fd);