domain.h

/*
 * SPDX-FileCopyrightText: 2014 David Goulet <dgoulet@efficios.com>
 *
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 */
 
#ifndef LTTNG_DOMAIN_H
#define LTTNG_DOMAIN_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <lttng/constant.h>
#include <lttng/lttng-export.h>
 
enum lttng_domain_type {
    LTTNG_DOMAIN_NONE = 0,
 
    LTTNG_DOMAIN_KERNEL = 1,
 
    LTTNG_DOMAIN_UST = 2,
 
    LTTNG_DOMAIN_JUL = 3,
 
    LTTNG_DOMAIN_LOG4J = 4,
 
    LTTNG_DOMAIN_LOG4J2 = 6,
 
    LTTNG_DOMAIN_PYTHON = 5,
 
    /* MUST be last element of the manually-assigned section of the enum */
    LTTNG_DOMAIN_NR,
};
 
enum lttng_buffer_type {
    LTTNG_BUFFER_PER_PID,
 
    LTTNG_BUFFER_PER_UID,
 
    LTTNG_BUFFER_GLOBAL,
};
 
/*
 * The structures should be initialized to zero before use.
 */
#define LTTNG_DOMAIN_PADDING1 12
#define LTTNG_DOMAIN_PADDING2 (LTTNG_SYMBOL_NAME_LEN + 32)
 
struct lttng_domain {
    enum lttng_domain_type type;
 
    enum lttng_buffer_type buf_type;
 
    char padding[LTTNG_DOMAIN_PADDING1];
 
    union {
        pid_t pid;
        char exec_name[LTTNG_NAME_MAX];
        char padding[LTTNG_DOMAIN_PADDING2];
    } attr;
};
 
 
LTTNG_EXPORT extern int lttng_list_domains(const char *session_name, struct lttng_domain **domains);
 
#ifdef __cplusplus
}
#endif
 
#endif /* LTTNG_DOMAIN_H */