From patchwork Mon Feb 7 17:44:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adhemerval Zanella Netto X-Patchwork-Id: 50872 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 87D613858C2D for ; Mon, 7 Feb 2022 17:47:55 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 87D613858C2D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1644256075; bh=pgmMAoLOtNE3W7qG68ERHcaG2RVxM3joe5VfHsTwG4s=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=aouVxChZeVak40mMjWGTAEWgxR1S7tuEAsjzILgVwz8PDZXmF3f+IIYAdIYrrHnsB PgenBY5pDrE9Nuo49x/aGHaBvKetrx9LvfcCiFbQRPjLRBB1mKRJFjlZ8H6Jv2+9EV 6qerz2X9qCdx+rVPirGIdVoyL8PenICpEHEMM+Js= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-oo1-xc35.google.com (mail-oo1-xc35.google.com [IPv6:2607:f8b0:4864:20::c35]) by sourceware.org (Postfix) with ESMTPS id 40BAE385841B for ; Mon, 7 Feb 2022 17:44:40 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 40BAE385841B Received: by mail-oo1-xc35.google.com with SMTP id u47-20020a4a9732000000b00316d0257de0so11637433ooi.7 for ; Mon, 07 Feb 2022 09:44:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=pgmMAoLOtNE3W7qG68ERHcaG2RVxM3joe5VfHsTwG4s=; b=MlrRu3j4Vt66S9DQ+y2enCxvIeeKBArBpTY66MWAoHb6LZq6T8QI9YmcW6diJaakDU kYatJytvedDoQpZQcqgKjNYu/IEbHGzIHo9XvEldg+lURUvfkfYaNIkA2QOxwEBWEjHH waO7CjpRXOpOvTfznY9K/eOqg2GsJ76fWGxaiEb7a/eigXe5Wfc2y/+4tOYQWdST48ZT Y7RnepTVD9jezyB2jIcazPRTEdW2Mz3xeFn0w+rPjvtGUhT5+WWq2bEZolB8MrlXimI5 +a87Jk6krtdToNSTJrs71Tkvp+cJBU1wckSvzB21ebgdTvUjQgEAJ8UsBYC8w0T5wCTJ kA+g== X-Gm-Message-State: AOAM531FozqV38B9Fj1QscZNnGjb5V2fcOhwTXFjkQlAuIO0JrItT2/u CerH9hzgqgTpYKdzmtV6R8nJ70QSbFlZnQ== X-Google-Smtp-Source: ABdhPJzFPenaDnuOwdimVYwQJ8Q5Ml7DLo2OZ6qdUzVbmkkiyyWDoi1L54TSRmyzUPLL9IizmiPiZw== X-Received: by 2002:a05:6870:118c:: with SMTP id 12mr11766oau.93.1644255879168; Mon, 07 Feb 2022 09:44:39 -0800 (PST) Received: from birita.. ([2804:431:c7ca:733:4cdc:e08a:54c6:5108]) by smtp.gmail.com with ESMTPSA id l22sm4270334otj.44.2022.02.07.09.44.38 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Feb 2022 09:44:38 -0800 (PST) To: libc-alpha@sourceware.org Subject: [PATCH v2 03/15] linux: Add pidfd_send_signal Date: Mon, 7 Feb 2022 14:44:19 -0300 Message-Id: <20220207174431.360355-4-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220207174431.360355-1-adhemerval.zanella@linaro.org> References: <20220207174431.360355-1-adhemerval.zanella@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Adhemerval Zanella via Libc-alpha From: Adhemerval Zanella Netto Reply-To: Adhemerval Zanella Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" This was added on Linux 5.1 (3eb39f47934f9d5a3027fe00d906a45fe3a15fad) as a way to avoid the race condition of using kill (where PID might be reused by the kernel between between obtaining the pid and sending the signal). If the siginfo_t argument is NULL then pidfd_send_signal is equivalent to kill. If it is not NULL pidfd_send_signal is equivalent to rt_sigqueueinfo. Reviewed-by: Carlos O'Donell Tested-by: Carlos O'Donell --- NEWS | 6 +++--- sysdeps/unix/sysv/linux/Versions | 1 + sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 + sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 + sysdeps/unix/sysv/linux/arc/libc.abilist | 1 + sysdeps/unix/sysv/linux/arm/be/libc.abilist | 1 + sysdeps/unix/sysv/linux/arm/le/libc.abilist | 1 + sysdeps/unix/sysv/linux/csky/libc.abilist | 1 + sysdeps/unix/sysv/linux/hppa/libc.abilist | 1 + sysdeps/unix/sysv/linux/i386/libc.abilist | 1 + sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 + sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist | 1 + sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 1 + sysdeps/unix/sysv/linux/microblaze/be/libc.abilist | 1 + sysdeps/unix/sysv/linux/microblaze/le/libc.abilist | 1 + sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist | 1 + sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist | 1 + sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist | 1 + sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist | 1 + sysdeps/unix/sysv/linux/nios2/libc.abilist | 1 + sysdeps/unix/sysv/linux/or1k/libc.abilist | 1 + .../unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist | 1 + .../unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist | 1 + sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist | 1 + sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist | 1 + sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist | 1 + sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist | 1 + sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist | 1 + sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist | 1 + sysdeps/unix/sysv/linux/sh/be/libc.abilist | 1 + sysdeps/unix/sysv/linux/sh/le/libc.abilist | 1 + sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist | 1 + sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist | 1 + sysdeps/unix/sysv/linux/sys/pidfd.h | 8 ++++++++ sysdeps/unix/sysv/linux/syscalls.list | 1 + sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 1 + sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 1 + 37 files changed, 46 insertions(+), 3 deletions(-) diff --git a/NEWS b/NEWS index c28cc28b52..d882d46842 100644 --- a/NEWS +++ b/NEWS @@ -9,9 +9,9 @@ Version 2.36 Major new features: -* On Linux, the pidfd_open and pidfd_getfd functions have been added. - The pidfd functionality help to solve the issue of PID reuse in Unix - systems. +* On Linux, the pidfd_open, pidfd_getfd, and pidfd_send_signal functions + have been added. The pidfd functionality help to solve the issue of PID + reuse in Unix systems. Deprecated and removed features, and other changes affecting compatibility: diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions index 78912c0484..694c64a5bc 100644 --- a/sysdeps/unix/sysv/linux/Versions +++ b/sysdeps/unix/sysv/linux/Versions @@ -302,6 +302,7 @@ libc { GLIBC_2.36 { pidfd_open; pidfd_getfd; + pidfd_send_signal; } GLIBC_PRIVATE { # functions used in other libraries diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist index 1acaa31519..7602129631 100644 --- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist +++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist @@ -2618,3 +2618,4 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist index fa2018b88a..5b39d6023c 100644 --- a/sysdeps/unix/sysv/linux/alpha/libc.abilist +++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist @@ -2715,6 +2715,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 _IO_fprintf F GLIBC_2.4 _IO_printf F GLIBC_2.4 _IO_sprintf F diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist index 4ed3f76c4f..e413302f2e 100644 --- a/sysdeps/unix/sysv/linux/arc/libc.abilist +++ b/sysdeps/unix/sysv/linux/arc/libc.abilist @@ -2379,3 +2379,4 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist index edc7cf524e..ade1b93d13 100644 --- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist +++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist @@ -498,6 +498,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 _Exit F GLIBC_2.4 _IO_2_1_stderr_ D 0xa0 GLIBC_2.4 _IO_2_1_stdin_ D 0xa0 diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist index 6554476cd2..10e91537fa 100644 --- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist +++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist @@ -495,6 +495,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 _Exit F GLIBC_2.4 _IO_2_1_stderr_ D 0xa0 GLIBC_2.4 _IO_2_1_stdin_ D 0xa0 diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist index 201ec9a966..22618c7aaa 100644 --- a/sysdeps/unix/sysv/linux/csky/libc.abilist +++ b/sysdeps/unix/sysv/linux/csky/libc.abilist @@ -2654,3 +2654,4 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist index 116369f238..e2aea90c74 100644 --- a/sysdeps/unix/sysv/linux/hppa/libc.abilist +++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist @@ -2603,6 +2603,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 __confstr_chk F GLIBC_2.4 __fgets_chk F GLIBC_2.4 __fgets_unlocked_chk F diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist index 2c5aea2d0d..29ecca26bb 100644 --- a/sysdeps/unix/sysv/linux/i386/libc.abilist +++ b/sysdeps/unix/sysv/linux/i386/libc.abilist @@ -2787,6 +2787,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 __confstr_chk F GLIBC_2.4 __fgets_chk F GLIBC_2.4 __fgets_unlocked_chk F diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist index 4bb67cc684..69a2ca2391 100644 --- a/sysdeps/unix/sysv/linux/ia64/libc.abilist +++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist @@ -2553,6 +2553,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 __confstr_chk F GLIBC_2.4 __fgets_chk F GLIBC_2.4 __fgets_unlocked_chk F diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist index dbe82628b0..23cc4ddd8a 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist @@ -499,6 +499,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 _Exit F GLIBC_2.4 _IO_2_1_stderr_ D 0x98 GLIBC_2.4 _IO_2_1_stdin_ D 0x98 diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist index e42d47632e..2d1d8a3d0c 100644 --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist @@ -2730,6 +2730,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 __confstr_chk F GLIBC_2.4 __fgets_chk F GLIBC_2.4 __fgets_unlocked_chk F diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist index 0b79ff3a37..7b6e88bdb9 100644 --- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist +++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist @@ -2703,3 +2703,4 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist index d2f0713d1f..155c974790 100644 --- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist +++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist @@ -2700,3 +2700,4 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist index 382852234f..7a811120ea 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist @@ -2695,6 +2695,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 __confstr_chk F GLIBC_2.4 __fgets_chk F GLIBC_2.4 __fgets_unlocked_chk F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist index cb02b6df77..7d28dca5c1 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist @@ -2693,6 +2693,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 __confstr_chk F GLIBC_2.4 __fgets_chk F GLIBC_2.4 __fgets_unlocked_chk F diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist index 7e62a8b7fc..41790f0d63 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist @@ -2701,6 +2701,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 __confstr_chk F GLIBC_2.4 __fgets_chk F GLIBC_2.4 __fgets_unlocked_chk F diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist index 63840726fe..9c15006c12 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist @@ -2604,6 +2604,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 __confstr_chk F GLIBC_2.4 __fgets_chk F GLIBC_2.4 __fgets_unlocked_chk F diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist index e4608208a8..27c0498b60 100644 --- a/sysdeps/unix/sysv/linux/nios2/libc.abilist +++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist @@ -2742,3 +2742,4 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/or1k/libc.abilist b/sysdeps/unix/sysv/linux/or1k/libc.abilist index 97c37b3f52..e500d4756f 100644 --- a/sysdeps/unix/sysv/linux/or1k/libc.abilist +++ b/sysdeps/unix/sysv/linux/or1k/libc.abilist @@ -2125,3 +2125,4 @@ GLIBC_2.35 writev F GLIBC_2.35 wscanf F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist index 0d017c3119..adb21db204 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist @@ -2757,6 +2757,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 _IO_fprintf F GLIBC_2.4 _IO_printf F GLIBC_2.4 _IO_sprintf F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist index 5e61dfbd78..28a08c4afb 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist @@ -2790,6 +2790,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 _IO_fprintf F GLIBC_2.4 _IO_printf F GLIBC_2.4 _IO_sprintf F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist index a7ddc5022e..98c5f3e61c 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist @@ -2512,6 +2512,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 _IO_fprintf F GLIBC_2.4 _IO_printf F GLIBC_2.4 _IO_sprintf F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist index 78117f1dea..31e5aa90cd 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist @@ -2814,3 +2814,4 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist index 8d935d09aa..87d90bf668 100644 --- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist +++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist @@ -2381,3 +2381,4 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist index f373fa0e25..b4a8f56aa2 100644 --- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist +++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist @@ -2581,3 +2581,4 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist index 33a00c0a03..e4a58cc145 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist @@ -2755,6 +2755,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 _IO_fprintf F GLIBC_2.4 _IO_printf F GLIBC_2.4 _IO_sprintf F diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist index 32c3e171ad..ef0f0c3fa1 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist @@ -2549,6 +2549,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 _IO_fprintf F GLIBC_2.4 _IO_printf F GLIBC_2.4 _IO_sprintf F diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist index acc7b4a3b7..603d50668f 100644 --- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist +++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist @@ -2610,6 +2610,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 __confstr_chk F GLIBC_2.4 __fgets_chk F GLIBC_2.4 __fgets_unlocked_chk F diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist index 10c0727830..078cdf05a7 100644 --- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist +++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist @@ -2607,6 +2607,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 __confstr_chk F GLIBC_2.4 __fgets_chk F GLIBC_2.4 __fgets_unlocked_chk F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist index 1c389b2fa9..735505ac51 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist @@ -2750,6 +2750,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 _IO_fprintf F GLIBC_2.4 _IO_printf F GLIBC_2.4 _IO_sprintf F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist index 4c49c781e0..48df7952cd 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist @@ -2576,6 +2576,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 __confstr_chk F GLIBC_2.4 __fgets_chk F GLIBC_2.4 __fgets_unlocked_chk F diff --git a/sysdeps/unix/sysv/linux/sys/pidfd.h b/sysdeps/unix/sysv/linux/sys/pidfd.h index 7194fc2a14..7bbc5e4863 100644 --- a/sysdeps/unix/sysv/linux/sys/pidfd.h +++ b/sysdeps/unix/sysv/linux/sys/pidfd.h @@ -38,4 +38,12 @@ extern int pidfd_open (__pid_t __pid, unsigned int __flags) __THROW; extern int pidfd_getfd (int __pidfd, int __targetfd, unsigned int __flags) __THROW; +/* Sends the signal SIG to the target process referred by the PIDFD. If + INFO points to a siginfo_t buffer, it will be populated. + + The FLAGS argument is reserved for future use, it must be specified + as 0. */ +extern int pidfd_send_signal (int __pidfd, int __sig, siginfo_t *__info, + unsigned int __flags) __THROW; + #endif /* _PIDFD_H */ diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list index 5dd7a12b76..d9653bb433 100644 --- a/sysdeps/unix/sysv/linux/syscalls.list +++ b/sysdeps/unix/sysv/linux/syscalls.list @@ -42,6 +42,7 @@ pipe2 - pipe2 i:fi __pipe2 pipe2 pidfd_open EXTRA pidfd_open i:iU pidfd_open pidfd_getfd EXTRA pidfd_getfd i:iiU pidfd_getfd pivot_root EXTRA pivot_root i:ss pivot_root +pidfd_send_signal EXTRA pidfd_send_signal i:iiPU pidfd_send_signal query_module EXTRA query_module i:sipip __compat_query_module query_module@GLIBC_2.0:GLIBC_2.23 quotactl EXTRA quotactl i:isip quotactl remap_file_pages - remap_file_pages i:pUiUi __remap_file_pages remap_file_pages diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist index cef6e65933..1629fb7762 100644 --- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist @@ -2527,6 +2527,7 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F GLIBC_2.4 __confstr_chk F GLIBC_2.4 __fgets_chk F GLIBC_2.4 __fgets_unlocked_chk F diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist index 4ac98b6823..ee9674ff75 100644 --- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist @@ -2633,3 +2633,4 @@ GLIBC_2.35 epoll_pwait2 F GLIBC_2.35 posix_spawn_file_actions_addtcsetpgrp_np F GLIBC_2.36 pidfd_getfd F GLIBC_2.36 pidfd_open F +GLIBC_2.36 pidfd_send_signal F