From patchwork Tue Jun 29 08:46:20 2010
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Subject: make qemu.log name unique
Date: Mon, 28 Jun 2010 22:46:20 -0000
From: Christophe LYON <christophe.lyon@st.com>
X-Patchwork-Id: 57255
Message-Id: <4C29B2DC.2030309@st.com>
To: <qemu-devel@nongnu.org>

Hello,

I propose this small patch so that the qemu log file has a unique name, 
to help running several QEmu processes at once (or with different users).

Is it OK?

Thanks

Christophe.


diff --git a/exec.c b/exec.c
index 5969eb2..5ba8d7e 100644
--- a/exec.c
+++ b/exec.c
@@ -1516,7 +1516,10 @@ void cpu_set_log(int log_flags)

  void cpu_set_log_filename(const char *filename)
  {
-    logfilename = strdup(filename);
+    /* Assume 10 chars is enough to hold pid */
+    int len = strlen(filename) + 10 + 1;
+    logfilename = malloc(len);
+    sprintf((char*)logfilename, "%s.%d", filename, getpid());
      if (logfile) {
          fclose(logfile);
          logfile = NULL;