/**
 * \file
 */

#ifndef __MONO_PROC_LIB_H__
#define __MONO_PROC_LIB_H__
/*
 * Utility functions to access processes information and other info about the system.
 */

#include <glib.h>
#include <mono/utils/mono-compiler.h>
#include <mono/utils/mono-publib.h>

/* never remove or reorder these enums values: they are used in corlib/System */

typedef enum {
	MONO_PROCESS_NUM_THREADS,
	MONO_PROCESS_USER_TIME, /* milliseconds */
	MONO_PROCESS_SYSTEM_TIME, /* milliseconds */
	MONO_PROCESS_TOTAL_TIME, /* milliseconds */
	MONO_PROCESS_WORKING_SET,
	MONO_PROCESS_WORKING_SET_PEAK, /* 5 */
	MONO_PROCESS_PRIVATE_BYTES,
	MONO_PROCESS_VIRTUAL_BYTES,
	MONO_PROCESS_VIRTUAL_BYTES_PEAK,
	MONO_PROCESS_FAULTS,
	MONO_PROCESS_ELAPSED, /* 10 */
	MONO_PROCESS_PPID,
	MONO_PROCESS_PAGED_BYTES,
	MONO_PROCESS_END
} MonoProcessData;

typedef enum {
	MONO_CPU_USER_TIME,
	MONO_CPU_PRIV_TIME,
	MONO_CPU_INTR_TIME,
	MONO_CPU_DCP_TIME,
	MONO_CPU_IDLE_TIME,
	MONO_CPU_END
} MonoCpuData;

typedef enum {
	MONO_PROCESS_ERROR_NONE, /* no error happened */
	MONO_PROCESS_ERROR_NOT_FOUND, /* process not found */
	MONO_PROCESS_ERROR_OTHER
} MonoProcessError;

typedef struct _MonoCpuUsageState MonoCpuUsageState;
#ifndef HOST_WIN32
struct _MonoCpuUsageState {
	gint64 kernel_time;
	gint64 user_time;
	gint64 current_time;
};
#else
struct _MonoCpuUsageState {
	guint64 kernel_time;
	guint64 user_time;
	guint64 idle_time;
};
#endif

gpointer* mono_process_list     (int *size);

void      mono_process_get_times (gpointer pid, gint64 *start_time, gint64 *user_time, gint64 *kernel_time);

char*     mono_process_get_name (gpointer pid, char *buf, int len);

gint64    mono_process_get_data (gpointer pid, MonoProcessData data);
gint64    mono_process_get_data_with_error (gpointer pid, MonoProcessData data, MonoProcessError *error);

int       mono_process_current_pid (void);

MONO_API int       mono_cpu_count    (void);
gint64    mono_cpu_get_data (int cpu_id, MonoCpuData data, MonoProcessError *error);
gint32    mono_cpu_usage (MonoCpuUsageState *prev);

int       mono_atexit (void (*func)(void));

#endif /* __MONO_PROC_LIB_H__ */