diff options
Diffstat (limited to 'src/process_iterator.h')
| -rw-r--r-- | src/process_iterator.h | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/src/process_iterator.h b/src/process_iterator.h index fc559d3..23af7ed 100644 --- a/src/process_iterator.h +++ b/src/process_iterator.h @@ -27,6 +27,24 @@ #include <limits.h> #include <dirent.h> +//USER_HZ detection, from openssl code +#ifndef HZ +# if defined(_SC_CLK_TCK) \ + && (!defined(OPENSSL_SYS_VMS) || __CTRL_VER >= 70000000) +# define HZ ((double)sysconf(_SC_CLK_TCK)) +# else +# ifndef CLK_TCK +# ifndef _BSD_CLK_TCK_ /* FreeBSD hack */ +# define HZ 100.0 +# else /* _BSD_CLK_TCK_ */ +# define HZ ((double)_BSD_CLK_TCK_) +# endif +# else /* CLK_TCK */ +# define HZ ((double)CLK_TCK) +# endif +# endif +#endif + #ifdef __FreeBSD__ #include <kvm.h> #endif @@ -39,8 +57,8 @@ struct process { pid_t ppid; //start time int starttime; - //total number of jiffies used by the process at time last_sample - int last_jiffies; + //cputime used by the process expressed in milliseconds + int cputime; //actual cpu usage estimation (value in range 0-1) double cpu_usage; //1 if the process is zombie @@ -49,21 +67,27 @@ struct process { char command[PATH_MAX+1]; }; +struct process_filter { + int pid; + int include_children; + char program_name[PATH_MAX+1]; +}; + struct process_iterator { #ifdef __linux__ DIR *dip; - struct dirent *dit; -#elif defined __APPLE__ - struct kinfo_proc *procList; #elif defined __FreeBSD__ - kvm_t *kd; + int boot_time; struct kinfo_proc *procs; int count; int i; +#elif defined __APPLE__ + struct kinfo_proc *procList; #endif + struct process_filter *filter; }; -int init_process_iterator(struct process_iterator *i); +int init_process_iterator(struct process_iterator *i, struct process_filter *filter); int read_next_process(struct process_iterator *i, struct process *p); |