lib/get_progname_of.h

/* Determine the program name of a given process.
   Copyright (C) 2019-2026 Free Software Foundation, Inc.
   Written by Bruno Haible <bruno@clisp.org>, 2019.

   This file is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation, either version 3 of the
   License, or (at your option) any later version.

   This file is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

#ifndef _GET_PROGNAME_OF_H
#define _GET_PROGNAME_OF_H

/* This file uses _GL_ATTRIBUTE_MALLOC.  */
#if !_GL_CONFIG_H_INCLUDED
 #error "Please include config.h first."
#endif

#include <stdlib.h>
#include <sys/types.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Returns the base name of the program that executes the given process,
   possibly truncated, as a freshly allocated string, or NULL if it cannot
   be determined.  */
extern char *get_progname_of (pid_t pid)
  _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE;

#ifdef __cplusplus
}
#endif

#endif /* _GET_PROGNAME_OF_H */