struct tm *
gmtime(const time_t * const timep)
{
static pthread_mutex_t gmtime_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_key_t gmtime_key = -1;
struct tm *p_tm;
if (__isthreaded != 0) {
if (gmtime_key < 0) {
_pthread_mutex_lock(&gmtime_mutex);
if (gmtime_key < 0) {
if (_pthread_key_create(&gmtime_key, free) < 0) {
_pthread_mutex_unlock(&gmtime_mutex);
return(NULL);
}
}
_pthread_mutex_unlock(&gmtime_mutex);
}
/*
* Changed to follow POSIX.1 threads standard, which
* is what BSD currently has.
*/
if ((p_tm = _pthread_getspecific(gmtime_key)) == NULL) {
if ((p_tm = (struct tm *)malloc(sizeof(struct tm)))
== NULL) {
return(NULL);
}
_pthread_setspecific(gmtime_key, p_tm);
}
return gmtsub(timep, 0L, p_tm);
} else {
return gmtsub(timep, 0L, &tm);
}
}
struct pg_tm *
pg_gmtime(const pg_time_t *timep)
{
return gmtsub(timep, 0L, &tm);
}
struct pg_tm *
pg_gmtime_r(const pg_time_t *timep, struct pg_tm *tm)
{
return gmtsub(timep, 0L, tm);
}
struct tm *
offtime(const time_t * const timep, const long offset)
{
return gmtsub(timep, offset, &tm);
}
struct tm *
gmtime_r(const time_t * timep, struct tm * tmp)
{
return gmtsub(timep, 0L, tmp);
}