static inline bool
s_log_init(mccp_log_destination_t dst,
const char *arg,
bool multi_process,
bool emit_date,
uint64_t debug_level,
uint64_t trace_flags) {
bool ret = false;
if (s_is_fork_initialized == false) {
(void)pthread_atfork(NULL, NULL, s_child_at_fork);
s_is_fork_initialized = true;
}
if (dst == MCCP_LOG_EMIT_TO_FILE ||
dst == MCCP_LOG_EMIT_TO_UNKNOWN) {
int ofd = -INT_MAX;
s_log_final();
if (IS_VALID_STRING(arg) == true &&
dst == MCCP_LOG_EMIT_TO_FILE &&
s_is_file(arg) == true) {
ofd = open(arg, O_RDWR | O_CREAT | O_APPEND, 0600);
if (ofd >= 0) {
s_log_fd = fdopen(ofd, "a+");
if (s_log_fd != NULL) {
ret = true;
}
}
} else {
s_log_fd = NULL; /* use stderr. */
ret = true;
}
} else if (dst == MCCP_LOG_EMIT_TO_SYSLOG) {
if (IS_VALID_STRING(arg) == true) {
s_log_final();
openlog(arg, 0, LOG_USER);
ret = true;
}
}
if (ret == true) {
s_log_dst = dst;
free((void *)s_log_arg);
s_log_arg = (IS_VALID_STRING(arg) == true) ? strdup(arg) : NULL;
s_do_multi_process = multi_process;
s_do_date = emit_date;
s_dbg_level = debug_level;
s_trace_flags = trace_flags;
}
return ret;
}
static inline bool
s_log_init(lagopus_log_destination_t dst,
const char *arg,
bool multi_process,
bool emit_date,
uint16_t debug_level) {
bool ret = false;
if (s_is_fork_initialized == false) {
(void)pthread_atfork(NULL, NULL, s_child_at_fork);
s_is_fork_initialized = true;
}
if (dst == LAGOPUS_LOG_EMIT_TO_FILE ||
dst == LAGOPUS_LOG_EMIT_TO_UNKNOWN) {
int ofd = -INT_MAX;
s_log_final();
if (IS_VALID_STRING(arg) == true &&
dst == LAGOPUS_LOG_EMIT_TO_FILE &&
s_is_file(arg) == true) {
s_set_arg(arg);
ofd = open(s_log_arg, O_RDWR | O_CREAT | O_APPEND, 0600);
if (ofd >= 0) {
s_log_fd = fdopen(ofd, "a+");
if (s_log_fd != NULL) {
ret = true;
}
}
} else {
s_log_fd = NULL; /* use stderr. */
ret = true;
}
} else if (dst == LAGOPUS_LOG_EMIT_TO_SYSLOG) {
if (IS_VALID_STRING(arg) == true) {
s_log_final();
/*
* Note that the syslog(3) uses the first argument of openlog(3)
* STATICALLY. So DON'T pass any heap addresses to openlog(3). I
* never knew that until this moment, BTW.
*/
s_set_arg(arg);
openlog(s_log_arg, 0, LOG_USER);
ret = true;
}
}
if (ret == true) {
s_log_dst = dst;
s_do_multi_process = multi_process;
s_do_date = emit_date;
s_dbg_level = debug_level;
} else {
s_reset_arg();
}
return ret;
}