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--- cpulimit.c.orig 2010-08-20 19:35:15.000000000 -0300
+++ cpulimit.c 2010-08-21 14:17:52.000000000 -0300
@@ -43,6 +43,15 @@
#include <errno.h>
#include <string.h>
+#include <limits.h>
+#include <fcntl.h>
+#include <kvm.h>
+#include <paths.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/user.h>
+
+
//kernel time resolution (inverse of one jiffy interval) in Hertz
//i don't know how to detect it, then define to the default (not very clean!)
#define HZ 100
@@ -235,6 +244,31 @@
}
//get jiffies count from /proc filesystem
+int getjiffies(int pid)
+{
+ kvm_t *my_kernel = NULL;
+ struct kinfo_proc *process_data = NULL;
+ int processes;
+ int my_jiffies = -1;
+
+ my_kernel = kvm_open(0, 0, 0, O_RDONLY, "kvm_open");
+ if (! my_kernel)
+ {
+ printf("Error opening kernel vm. You should be running as root.\n");
+ return -1;
+ }
+
+ process_data = kvm_getprocs(my_kernel, KERN_PROC_PID, pid, &processes);
+ if ( (process_data) && (processes >= 1) )
+ my_jiffies = process_data->ki_runtime;
+
+ kvm_close(my_kernel);
+ if (my_jiffies >= 0)
+ my_jiffies /= 1000;
+ return my_jiffies;
+}
+
+/*
int getjiffies(int pid) {
static char stat[20];
static char buffer[1024];
@@ -255,6 +289,8 @@
int ktime=atoi(p+1);
return utime+ktime;
}
+*/
+
//process instant photo
struct process_screenshot {
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