evisum/src/bin/system/process.h

#ifndef __PROC_H__
#define __PROC_H__

/**
 * @file
 * @brief Routines for querying processes.
 */

/**
 * @brief Querying Processes
 * @defgroup Proc
 *
 * @{
 *
 * Query processes.
 *
 */

#include <Eina.h>
#include <stdint.h>
#include <unistd.h>

#if !defined(PID_MAX)
# define PID_MAX     99999
#endif

typedef struct _Proc_Info
{
   pid_t       pid;
   uid_t       uid;
   int8_t      nice;
   int8_t      priority;
   int         cpu_id;
   int32_t     numthreads;

   int64_t     mem_size;
   int64_t     mem_virt;
   int64_t     mem_rss;
   int64_t     mem_shared;

   double      cpu_usage;
   char       *command;
   char       *arguments;
   const char *state;

   // Not used yet in UI.
   long        cpu_time;

   Eina_List  *threads;
} Proc_Info;

/**
 * Query a full list of running processes and return a list.
 *
 * @return A list of proc_t members for all processes.
 */
Eina_List *
 proc_info_all_get(void);

/**
 * Query a process for its current state.
 *
 * @param pid The process ID to query.
 *
 * @return A proc_t pointer containing the process information.
 */
Proc_Info *
 proc_info_by_pid(int pid);

/**
 * Free a Proc_Info * pointer;
 *
 * @param proc The object to free.
 */
void
  proc_info_free(Proc_Info *proc);

/**
 * @}
 */

#endif