[Xen-devel] [PATCH] rename QEMU device model log file by dom id and redirect stdout/stderr only if spawning device model background.

[Edwin Zhai <edwin.zhai@xxxxxxxxx>]

rename QEMU device model log file by dom id and redirect stdout/stderr only if 
spawning device model background.
Signed-off-by: Zhai Edwin <edwin.zhai@xxxxxxxxx>
diff -r c4ae9456a459 tools/ioemu/exec.c
--- a/tools/ioemu/exec.c        Fri Jan 20 20:31:09 2006 +0100
+++ b/tools/ioemu/exec.c        Mon Jan 23 11:02:47 2006 +0800
@@ -143,8 +143,10 @@
         setvbuf(logfile, NULL, _IOLBF, 0);
 #endif
 
-        stdout = logfile;
-        stderr = logfile;
+        if ( !isatty( fileno(stdout))) {
+            stdout = logfile;
+            stderr = logfile;
+        }
     }
 }
 
diff -r c4ae9456a459 tools/ioemu/vl.c
--- a/tools/ioemu/vl.c  Fri Jan 20 20:31:09 2006 +0100
+++ b/tools/ioemu/vl.c  Mon Jan 23 11:02:47 2006 +0800
@@ -2699,11 +2699,6 @@
     macaddr[4] = 0x34;
     macaddr[5] = 0x56;
 
-    /* init debug */
-    sprintf(qemu_dm_logfilename, "/var/log/qemu-dm.%d.log", getpid());
-    cpu_set_log_filename(qemu_dm_logfilename);
-    cpu_set_log(0);
-
     optind = 1;
     for(;;) {
         if (optind >= argc)
@@ -2913,6 +2908,12 @@
             case QEMU_OPTION_d:
                 {
                     domid = atoi(optarg);
+
+                    /* init debug */
+                    sprintf(qemu_dm_logfilename, "/var/log/qemu-dm.dom%d.log", 
domid);
+                    cpu_set_log_filename(qemu_dm_logfilename);
+                    cpu_set_log(0);
+
                     fprintf(logfile, "domid: %d\n", domid);
                 }
                 break;


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