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--- wmfire-1.2.4/src/wmfire.c.orig 2005-12-04 11:39:16.000000000 +0100
+++ wmfire-1.2.4/src/wmfire.c 2012-02-27 15:48:05.136807354 +0100
@@ -63,6 +63,10 @@
#define FIRE_NET 3
#define FIRE_FILE 4
+/* wbk 20120220 - cleaning up "next cpu" logic */
+#define CPU_AV -1 /* needs to be 1st CPU - 1 */
+#define CPU_NEXT -2 /* arbitrary but must be < CPU_AV */
+
#define NET_SPD_PPP 56
#define NET_SPD_ETH 100
@@ -104,7 +108,8 @@
int update_mem();
int update_net();
int update_file();
-int change_cpu(int);
+void change_cpu(int);
+int more_cpus();
void change_flame(int);
GdkCursor *setup_cursor();
void burn_spot(int, int, int);
@@ -130,8 +135,7 @@
int monitor = FIRE_CPU;
int load = 100;
-int cpu_av = 1;
-int cpu_id = 0;
+int cpu_id = CPU_AV; /* wbk - special value instead of separate flag */
int cpu_nice = 1;
char net_dev[16] = "ppp0";
int net_spd = 0;
@@ -224,8 +228,15 @@
next = 0;
if (!lock) {
- if (monitor == FIRE_CPU && change_cpu(-1))
- monitor = FIRE_MEM;
+ if (monitor == FIRE_CPU)
+ {
+ /* First, check if we have more CPU's to monitor. If none, *
+ * move along to FIRE_MEM. Regardless, after this check, we *
+ * call change_cpu() to increment or reset CPU number. */
+ if (!more_cpus())
+ monitor = FIRE_MEM;
+ change_cpu(CPU_NEXT);
+ }
else if (monitor == FIRE_MEM)
monitor = FIRE_NET;
else if (monitor == FIRE_NET)
@@ -285,7 +296,7 @@
glibtop_get_cpu(&cpu);
- if (cpu_av) {
+ if (cpu_id == CPU_AV) {
if (cpu_nice)
load = cpu.user + cpu.nice + cpu.sys;
else
@@ -383,30 +394,46 @@
/* Change CPU monitor */
/******************************************/
-int
+void
change_cpu(int which)
{
- glibtop_cpu cpu;
+ /* wbk 20120221 - Changed return type to void. Use more_cpus() *
+ * for tests instead. Mixing test logic with changing the CPU *
+ * was causing CPU's to be skipped in calling function. */
+ /* wbk - Even though we never use the cpu struct, I think this *
+ * call may be necessary to set up glibtop_global_server? */
+ glibtop_cpu cpu;
glibtop_get_cpu(&cpu);
/* This should work, but I have a lonely uniprocessor system */
+ /* wbk - tested with a quad core. */
- if (which >= 0) {
+ if (which != CPU_NEXT) /* was run with command-line CPU specifier */
cpu_id = which;
- cpu_av = 0;
- } else {
- cpu_id++;
- cpu_av = 0;
- }
+ else /* negative value "special case" for which */
+ cpu_id++;
- if (cpu_id >= glibtop_global_server->ncpu || cpu_id >= GLIBTOP_NCPU) {
- cpu_id = 0;
- cpu_av = 1;
- return 1;
- }
+ /* Since we already incremented cpu_id, we are comparing a *
+ * 1-index with 0-index value essentially. But since GLIBTOP_NCPU *
+ * is 1-indexed, keep >= for it. (a bit of an oversimplification: *
+ * cpu_id is still definitely regarded as 0-indexed elsewhere. We *
+ * index an array with it later, so this is important) */
+ if (cpu_id > glibtop_global_server->ncpu || cpu_id >= GLIBTOP_NCPU)
+ cpu_id = CPU_AV;
- return 0;
+ return;
+}
+
+int
+more_cpus()
+{
+ /* returns positive if next CPU would be valid, Negative if *
+ * already monitoring highest-numbered CPU or if more cores than *
+ * glibtop supports. */
+ int next_cpu = cpu_id + 1;
+ return !(next_cpu > glibtop_global_server->ncpu
+ || next_cpu >= GLIBTOP_NCPU);
}
/******************************************/
@@ -494,7 +521,7 @@
if (proximity++ > 100) {
if (monitor == FIRE_CPU) {
- if (cpu_av) {
+ if (cpu_id == CPU_AV) {
/* Horizontal bar for average cpu */
memset(&bm.cmap[27 * XMAX + 20], 255, 16);
memset(&bm.cmap[28 * XMAX + 20], 255, 16);
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