qb_log_callsites_register(3)

If you are using dynamically loadable modules via dlopen() and you load them after qb_log_init() then after you load the module you will need to do

Section 3 libqb-dev bookworm source

Description

QB_LOG_CALLSITES_REGISTER

NAME

qb_log_callsites_register - If you are using dynamically loadable modules via dlopen() and you load them after qb_log_init() then after you load the module you will need to do the following to get the filters to work in that module:

SYNOPSIS

#include <qb/qblog.h>

int32_t qb_log_callsites_register(
struct qb_log_callsite *
_start,
struct qb_log_callsite *
_stop
);

DESCRIPTION

_start = dlsym (dl_handle, QB_ATTR_SECTION_START_STR);
_stop = dlsym (dl_handle, QB_ATTR_SECTION_STOP_STR);
qb_log_callsites_register(_start, _stop);

STRUCTURES

An instance of this structure is created for each log message with the message-id.

struct qb_log_callsite {
const char *
function;
const char *
filename;
const char *
format;
uint8_t
priority;
uint32_t
lineno;
uint32_t
targets;
uint32_t
tags;
const char *
message_id;
};

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_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_ctl(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.