NAME¶

qb_log_ctl - Main logging control function.

SYNOPSIS¶

#include <qb/qblog.h>

int32_t qb_log_ctl(
    /*


     * QB_LOG_SYSLOG, QB_LOG_STDERR or result from qb_log_file_open()


     */


    int32_t           target,
    /*


     * configuration directive ("what to configure") that accepts int32_t


     * argument determining the new value unless ignored for particular directive


     * altogether (incompatible directives: QB_LOG_CONF_IDENT)


     */


    enum qb_log_conf  conf_type,
    /*


     * the new value for a state-changing configuration directive, ignored


     * otherwise


     */


    int32_t           arg
);

PARAMS¶

target QB_LOG_SYSLOG, QB_LOG_STDERR or result from qb_log_file_open()

conf_type configuration directive ("what to configure") that accepts int32_t argument determining the new value unless ignored for particular directive altogether (incompatible directives: QB_LOG_CONF_IDENT)

arg the new value for a state-changing configuration directive, ignored otherwise

DESCRIPTION¶

STRUCTURES¶

enum qb_log_conf {




      QB_LOG_CONF_ENABLED;



      QB_LOG_CONF_FACILITY;



      QB_LOG_CONF_DEBUG;



      QB_LOG_CONF_SIZE;



      QB_LOG_CONF_THREADED;



      QB_LOG_CONF_PRIORITY_BUMP;



      QB_LOG_CONF_STATE_GET;



      QB_LOG_CONF_FILE_SYNC;



      QB_LOG_CONF_EXTENDED;



      QB_LOG_CONF_IDENT;



      QB_LOG_CONF_MAX_LINE_LEN;



      QB_LOG_CONF_ELLIPSIS;



      QB_LOG_CONF_USE_JOURNAL;
};

RETURN VALUE¶

-errno on error

0 on success

qb_log_target_state for QB_LOG_CONF_STATE_GET

SEE ALSO¶

qb_log_filter_fn_set(3), qb_log_from_external_source_va2(3), qb_log_thread_start(3), qb_log_target_user_data_get(3), qb_log_tags_stringify_fn_set(3), qb_log_file_reopen(3), qb_log_fini(3), qb_log_callsites_dump(3), qb_log_ctl2(3), qb_log_target_user_data_set(3), qb_log_target_format(3), qb_log_thread_priority_set(3), qb_log_facility2int(3), qb_log_callsites_register(3), qb_log_filter_ctl2(3), qb_log_file_close(3), qb_log_format_set(3), qb_log_real_(3), qb_log_from_external_source_va(3), qb_log_callsite_get(3), qb_log_blackbox_write_to_file(3), qb_log_real_va_(3), qb_log_from_external_source(3), qb_log_blackbox_print_from_file(3), qb_log_facility2str(3), qb_log_callsite_get2(3), qb_log_filter_ctl(3), qb_log_custom_close(3), qb_log_init(3), qb_log_file_open(3), qb_log_custom_open(3)

COPYRIGHT¶

Copyright (c) 2017 Red Hat, Inc.