misc-utils/lsfd-pidfd.h

   1 /*
   2  * lsfd-pidfd.h - handle pidfd (from anon_inode or pidfs)
   3  *
   4  * Copyright (C) 2024 Xi Ruoyao <xry111@xry111.site>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it would be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdbool.h>
  22 #include <sys/types.h>
  23
  24 struct pidfd_data {
  25         pid_t pid;
  26         char *nspid;
  27 };
  28
  29 int pidfd_handle_fdinfo(struct pidfd_data *, const char *, const char *);
  30 char *pidfd_get_name(struct pidfd_data *);
  31 bool pidfd_fill_column(struct pidfd_data *, int, char **);
  32
  33 static inline void __attribute__((nonnull(1)))
  34 pidfd_free(struct pidfd_data *data)
  35 {
  36         free(data->nspid);
  37 }