Allow changing log filename.
Close logfile when logging is disabled.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3035 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/exec.c b/exec.c
index 5fbeb8d..5ed63de 100644
--- a/exec.c
+++ b/exec.c
@@ -152,6 +152,7 @@
char *logfilename = "/tmp/qemu.log";
FILE *logfile;
int loglevel;
+static int log_append = 0;
/* statistics */
static int tlb_flush_count;
@@ -1160,7 +1161,7 @@
{
loglevel = log_flags;
if (loglevel && !logfile) {
- logfile = fopen(logfilename, "w");
+ logfile = fopen(logfilename, log_append ? "wa" : "w");
if (!logfile) {
perror(logfilename);
_exit(1);
@@ -1174,12 +1175,22 @@
#else
setvbuf(logfile, NULL, _IOLBF, 0);
#endif
+ log_append = 1;
+ }
+ if (!loglevel && logfile) {
+ fclose(logfile);
+ logfile = NULL;
}
}
void cpu_set_log_filename(const char *filename)
{
logfilename = strdup(filename);
+ if (logfile) {
+ fclose(logfile);
+ logfile = NULL;
+ }
+ cpu_set_log(loglevel);
}
/* mask must never be zero, except for A20 change call */
diff --git a/monitor.c b/monitor.c
index a8db870..ed31d50 100644
--- a/monitor.c
+++ b/monitor.c
@@ -406,6 +406,11 @@
vga_hw_screen_dump(filename);
}
+static void do_logfile(const char *filename)
+{
+ cpu_set_log_filename(filename);
+}
+
static void do_log(const char *items)
{
int mask;
@@ -1213,6 +1218,8 @@
"device filename", "change a removable medium" },
{ "screendump", "F", do_screen_dump,
"filename", "save screen into PPM image 'filename'" },
+ { "logfile", "s", do_logfile,
+ "filename", "output logs to 'filename'" },
{ "log", "s", do_log,
"item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
{ "savevm", "s?", do_savevm,
