diff options
Diffstat (limited to 'vos.c')
| -rw-r--r-- | vos.c | 32 |
1 files changed, 32 insertions, 0 deletions
@@ -34,6 +34,38 @@ int get_token_idx(const char **ls, const unsigned int n, const char *tok) return i; } +/** + * @desc: get one of the temporary directory from the list of temporary + * directories. + * + * @return: + * < tmp_dir : a path to random temporary directory. + */ +char *get_tmp_dir(const int lock) +{ + int s; + char *tmp_dir = 0; + + if (_vos.proc_max > 1 && lock) { + do { + s = pthread_mutex_trylock(&_vos.proc_tmp_dir_lock); + } while (s); + } + + tmp_dir = _vos.p_proc_tmp_dir->str; + + /* to the next temporary dir */ + _vos.p_proc_tmp_dir = _vos.p_proc_tmp_dir->next; + if (! _vos.p_proc_tmp_dir) + _vos.p_proc_tmp_dir = _vos.proc_tmp_dir; + + if (_vos.proc_max > 1 && lock) { + pthread_mutex_unlock(&_vos.proc_tmp_dir_lock); + } + + return tmp_dir; +} + static int vos_init(int argc, char **argv) { int i = 1; |