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(int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C13A5804142 for ; Mon, 5 Jul 2021 13:42:05 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-115-5.ams2.redhat.com [10.36.115.5]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B3BE719CB4 for ; Mon, 5 Jul 2021 13:42:04 +0000 (UTC) To: libc-alpha@sourceware.org Subject: [PATCH 3/8] Linux: Add time64 alias for prctl In-Reply-To: References: X-From-Line: 460a87e66eeae056c36a54206580d995f64c0caf Mon Sep 17 00:00:00 2001 Message-Id: <460a87e66eeae056c36a54206580d995f64c0caf.1625492203.git.fweimer@redhat.com> Date: Mon, 05 Jul 2021 15:42:02 +0200 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain 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: , From: Florian Weimer via Libc-alpha Reply-To: Florian Weimer Errors-To: libc-alpha-bounces+e=80x24.org@sourceware.org Sender: "Libc-alpha" --- sysdeps/unix/sysv/linux/Makefile | 4 ++- sysdeps/unix/sysv/linux/Versions | 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 + .../sysv/linux/m68k/coldfire/libc.abilist | 1 + .../unix/sysv/linux/m68k/m680x0/libc.abilist | 1 + .../sysv/linux/microblaze/be/libc.abilist | 1 + .../sysv/linux/microblaze/le/libc.abilist | 1 + .../sysv/linux/mips/mips32/fpu/libc.abilist | 1 + .../sysv/linux/mips/mips32/nofpu/libc.abilist | 1 + .../sysv/linux/mips/mips64/n32/libc.abilist | 1 + sysdeps/unix/sysv/linux/nios2/libc.abilist | 1 + .../linux/powerpc/powerpc32/fpu/libc.abilist | 1 + .../powerpc/powerpc32/nofpu/libc.abilist | 1 + sysdeps/unix/sysv/linux/prctl.c | 3 ++ .../unix/sysv/linux/s390/s390-32/libc.abilist | 1 + sysdeps/unix/sysv/linux/sh/be/libc.abilist | 1 + sysdeps/unix/sysv/linux/sh/le/libc.abilist | 1 + .../sysv/linux/sparc/sparc32/libc.abilist | 1 + sysdeps/unix/sysv/linux/sys/prctl.h | 10 ++++++ sysdeps/unix/sysv/linux/tst-prctl-time64.c | 1 + sysdeps/unix/sysv/linux/tst-prctl.c | 33 +++++++++++++++++++ 25 files changed, 70 insertions(+), 1 deletion(-) create mode 100644 sysdeps/unix/sysv/linux/tst-prctl-time64.c create mode 100644 sysdeps/unix/sysv/linux/tst-prctl.c diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index faea02bd1b..6fe358cecc 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -116,7 +116,7 @@ tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \ tst-tgkill tst-sysvsem-linux tst-sysvmsg-linux tst-sysvshm-linux \ tst-timerfd tst-ppoll \ tst-clock_adjtime tst-adjtimex tst-ntp_adjtime tst-ntp_gettime \ - tst-ntp_gettimex tst-sigtimedwait tst-misalign-clone + tst-ntp_gettimex tst-sigtimedwait tst-misalign-clone tst-prctl # Test for the symbol version of fcntl that was replaced in glibc 2.28. ifeq ($(have-GLIBC_2.27)$(build-shared),yesyes) @@ -134,6 +134,8 @@ tests-time64 += \ tst-ppoll-time64 \ tst-sigtimedwait-time64 \ tst-timerfd-time64 \ + tst-prctl-time64 \ + # tests-time64 CFLAGS-tst-sigcontext-get_pc.c = -fasynchronous-unwind-tables diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions index c12ee647ae..97e1e81801 100644 --- a/sysdeps/unix/sysv/linux/Versions +++ b/sysdeps/unix/sysv/linux/Versions @@ -245,6 +245,7 @@ libc { __ntp_gettime64; __ntp_gettimex64; __ppoll64; + __prctl_time64; __pselec64; __pselect64; __pthread_clockjoin_np64; diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist index 1243e62e45..06deef986f 100644 --- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist +++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist @@ -240,6 +240,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist index 4750d5db49..cb5a95ebb9 100644 --- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist +++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist @@ -237,6 +237,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist index 6e3263d2fd..76a1898218 100644 --- a/sysdeps/unix/sysv/linux/csky/libc.abilist +++ b/sysdeps/unix/sysv/linux/csky/libc.abilist @@ -2372,6 +2372,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist index d21cefe909..cb135fe6ca 100644 --- a/sysdeps/unix/sysv/linux/hppa/libc.abilist +++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist @@ -2325,6 +2325,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist index f10f233bf6..8941056337 100644 --- a/sysdeps/unix/sysv/linux/i386/libc.abilist +++ b/sysdeps/unix/sysv/linux/i386/libc.abilist @@ -2509,6 +2509,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist index 577f5f171d..7cec07ea16 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist @@ -241,6 +241,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist index af68a21c02..edc488fe98 100644 --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist @@ -2452,6 +2452,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist index c875c87f93..b382d9b268 100644 --- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist +++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist @@ -2423,6 +2423,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist index 23835351e3..75752d1400 100644 --- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist +++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist @@ -2420,6 +2420,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist index 08a16d9140..e362490afb 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist @@ -2417,6 +2417,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist index 88a739586c..d2eba312a7 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist @@ -2415,6 +2415,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist index a7f8058932..ec5d956d0c 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist @@ -2423,6 +2423,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist index 00242d3e83..5ffbab4d4c 100644 --- a/sysdeps/unix/sysv/linux/nios2/libc.abilist +++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist @@ -2462,6 +2462,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist index 2589b685d6..d4ba30a441 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist @@ -2479,6 +2479,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist index e4b172a6e0..8eb206d36e 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist @@ -2512,6 +2512,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/prctl.c b/sysdeps/unix/sysv/linux/prctl.c index 85ad4cdd83..2af7b307ef 100644 --- a/sysdeps/unix/sysv/linux/prctl.c +++ b/sysdeps/unix/sysv/linux/prctl.c @@ -40,3 +40,6 @@ __prctl (int option, ...) libc_hidden_def (__prctl) weak_alias (__prctl, prctl) +#if __TIMESIZE != 64 +weak_alias (__prctl, __prctl_time64) +#endif diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist index be2908b27a..a3c80bc9ba 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist @@ -2477,6 +2477,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist index 4797150a1c..6692749dac 100644 --- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist +++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist @@ -2332,6 +2332,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist index 4d38657618..2207e3811c 100644 --- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist +++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist @@ -2329,6 +2329,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist index fe026eb19e..16099127e5 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist @@ -2472,6 +2472,7 @@ GLIBC_2.34 __nftw64_time64 F GLIBC_2.34 __ntp_gettime64 F GLIBC_2.34 __ntp_gettimex64 F GLIBC_2.34 __ppoll64 F +GLIBC_2.34 __prctl_time64 F GLIBC_2.34 __pselect64 F GLIBC_2.34 __pthread_cleanup_routine F GLIBC_2.34 __pthread_clockjoin_np64 F diff --git a/sysdeps/unix/sysv/linux/sys/prctl.h b/sysdeps/unix/sysv/linux/sys/prctl.h index c9048c7cdb..db88938b3a 100644 --- a/sysdeps/unix/sysv/linux/sys/prctl.h +++ b/sysdeps/unix/sysv/linux/sys/prctl.h @@ -38,7 +38,17 @@ __BEGIN_DECLS /* Control process execution. */ +#ifndef __USE_TIME_BITS64 extern int prctl (int __option, ...) __THROW; +#else +# ifdef __REDIRECT +extern int __REDIRECT (prctl, (int __option, ...), __prctl_time64) __THROW; +# else +extern int __prctl_time64 (int __option,d ...) __THROW; +# define ioctl __prctl_time64 +# endif +#endif + __END_DECLS diff --git a/sysdeps/unix/sysv/linux/tst-prctl-time64.c b/sysdeps/unix/sysv/linux/tst-prctl-time64.c new file mode 100644 index 0000000000..d233e12bf4 --- /dev/null +++ b/sysdeps/unix/sysv/linux/tst-prctl-time64.c @@ -0,0 +1 @@ +#include "tst-prctl.c" diff --git a/sysdeps/unix/sysv/linux/tst-prctl.c b/sysdeps/unix/sysv/linux/tst-prctl.c new file mode 100644 index 0000000000..a9dd1dcd85 --- /dev/null +++ b/sysdeps/unix/sysv/linux/tst-prctl.c @@ -0,0 +1,33 @@ +/* Smoke test for prctl. + Copyright (C) 2021 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 the GNU C Library; if not, see + . */ + +#include +#include + +static int +do_test (void) +{ + TEST_COMPARE (prctl (PR_SET_NAME, "thread name", 0, 0, 0), 0); + char buffer[16] = { 0, }; + TEST_COMPARE (prctl (PR_GET_NAME, buffer, 0, 0, 0), 0); + char expected[16] = "thread name"; + TEST_COMPARE_BLOB (buffer, sizeof (buffer), expected, sizeof (expected)); + return 0; +} + +#include -- 2.31.1