/*
* Copyright ( C ) 2021 The Android Open Source Project
* All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
* * Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* * Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in
* the documentation and / or other materials provided with the
* distribution .
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* " AS IS " AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT
* LIMITED TO , THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED . IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT , INDIRECT ,
* INCIDENTAL , SPECIAL , EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING ,
* BUT NOT LIMITED TO , PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS
* OF USE , DATA , OR PROFITS ; OR BUSINESS INTERRUPTION ) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY ,
* OR TORT ( INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE , EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE .
*/
#pragma once
/**
* @ file sys / pidfd . h
* @ brief File descriptors representing processes .
*/
#include <sys/cdefs.h>
#include <sys/types.h>
#include <bits/signal_types.h>
__BEGIN_DECLS
#if __BIONIC_AVAILABILITY_GUARD(31 )
/**
* [ pidfd_open ( 2 ) ] ( https : //man7.org/linux/man-pages/man2/pidfd_open.2.html)
* opens a file descriptor that refers to a process . This file descriptor will
* have the close - on - exec flag set by default .
*
* Returns a new file descriptor on success and returns - 1 and sets ` errno ` on
* failure .
*
* Available since API level 31 .
*/
int pidfd_open(pid_t __pid, unsigned int __flags) __INTRODUCED_IN(31 );
#endif
#if __BIONIC_AVAILABILITY_GUARD(31 )
/**
* [ pidfd_getfd ( 2 ) ] ( https : //man7.org/linux/man-pages/man2/pidfd_getfd.2.html)
* dups a file descriptor from another process . This file descriptor will have
* the close - on - exec flag set by default .
*
* Returns a new file descriptor on success and returns - 1 and sets ` errno ` on
* failure .
*
* Available since API level 31 .
*/
int pidfd_getfd(int __pidfd, int __targetfd, unsigned int __flags) __INTRODUCED_IN(31 );
#endif
#if __BIONIC_AVAILABILITY_GUARD(31 )
/**
* [ pidfd_send_signal ( 2 ) ] ( https : //man7.org/linux/man-pages/man2/pidfd_send_signal.2.html)
* sends a signal to another process .
*
* Returns 0 on success and returns - 1 and sets ` errno ` on failure .
*
* Available since API level 31 .
*/
int pidfd_send_signal(int __pidfd, int __sig, siginfo_t * _Nullable __info, unsigned int __flags) __INTRODUCED_IN(31 );
#endif
__END_DECLS
Messung V0.5 in Prozent C=87 H=90 G=88
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-28)
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