From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1791) id 73B473985011; Tue, 8 Jun 2021 20:49:10 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 73B473985011 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Adhemerval Zanella To: glibc-cvs@sourceware.org Subject: [glibc/azanella/y2038] y2038: Use a common definition for shmid_ds X-Act-Checkin: glibc X-Git-Author: Adhemerval Zanella X-Git-Refname: refs/heads/azanella/y2038 X-Git-Oldrev: 7b28b648e2f1394b9f4dba4c36d1bae4c19d4940 X-Git-Newrev: 7f7a0c3023e0e6dff0084be4db6fb3330cc79a7d Message-Id: <20210608204910.73B473985011@sourceware.org> Date: Tue, 8 Jun 2021 20:49:10 +0000 (GMT) X-BeenThere: glibc-cvs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Jun 2021 20:49:10 -0000 https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7f7a0c3023e0e6dff0084be4db6fb3330cc79a7d commit 7f7a0c3023e0e6dff0084be4db6fb3330cc79a7d Author: Adhemerval Zanella Date: Wed Feb 17 18:38:09 2021 -0300 y2038: Use a common definition for shmid_ds Instead of replicate the same definitions from struct_shmid64_ds.h on the multiple struct_shmid_ds.h, use a common header which is included when required (struct_shmid64_ds_helper.h). The __USE_TIME_BITS64 is not defined internally yet, although the internal header is used when building the 64-bit semctl implementation. Diff: --- sysdeps/unix/sysv/linux/Makefile | 3 ++- .../unix/sysv/linux/bits/types/struct_shmid64_ds.h | 9 +------ .../linux/bits/types/struct_shmid64_ds_helper.h | 28 ++++++++++++++++++++++ .../unix/sysv/linux/bits/types/struct_shmid_ds.h | 10 +++++--- .../sysv/linux/hppa/bits/types/struct_shmid_ds.h | 10 +++++--- .../sysv/linux/mips/bits/types/struct_shmid_ds.h | 14 +++++++---- .../linux/powerpc/bits/types/struct_shmid_ds.h | 10 +++++--- .../sysv/linux/sparc/bits/types/struct_shmid_ds.h | 10 +++++--- 8 files changed, 68 insertions(+), 26 deletions(-) diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index b6abcb1365..8b4d3a6a54 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -103,7 +103,8 @@ sysdep_headers += sys/mount.h sys/acct.h \ bits/struct_stat.h \ bits/struct_stat_time64_helper.h \ bits/types/struct_msqid64_ds_helper.h \ - bits/types/struct_semid64_ds_helper.h + bits/types/struct_semid64_ds_helper.h \ + bits/types/struct_shmid64_ds_helper.h tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \ tst-quota tst-sync_file_range tst-sysconf-iov_max tst-ttyname \ diff --git a/sysdeps/unix/sysv/linux/bits/types/struct_shmid64_ds.h b/sysdeps/unix/sysv/linux/bits/types/struct_shmid64_ds.h index 71100db1b5..a4af8cc5f4 100644 --- a/sysdeps/unix/sysv/linux/bits/types/struct_shmid64_ds.h +++ b/sysdeps/unix/sysv/linux/bits/types/struct_shmid64_ds.h @@ -25,13 +25,6 @@ #else struct __shmid64_ds { - struct ipc_perm shm_perm; /* operation permission struct */ - size_t shm_segsz; /* size of segment in bytes */ - __time64_t shm_atime; /* time of last shmat() */ - __time64_t shm_dtime; /* time of last shmdt() */ - __time64_t shm_ctime; /* time of last change by shmctl() */ - __pid_t shm_cpid; /* pid of creator */ - __pid_t shm_lpid; /* pid of last shmop */ - shmatt_t shm_nattch; /* number of current attaches */ +# include }; #endif diff --git a/sysdeps/unix/sysv/linux/bits/types/struct_shmid64_ds_helper.h b/sysdeps/unix/sysv/linux/bits/types/struct_shmid64_ds_helper.h new file mode 100644 index 0000000000..20d6db41ea --- /dev/null +++ b/sysdeps/unix/sysv/linux/bits/types/struct_shmid64_ds_helper.h @@ -0,0 +1,28 @@ +/* Common definitions for struct semid_ds with 64 bit time. + Copyright (C) 2020-2021 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 + . */ + + struct ipc_perm shm_perm; /* operation permission struct */ + size_t shm_segsz; /* size of segment in bytes */ + __time64_t shm_atime; /* time of last shmat() */ + __time64_t shm_dtime; /* time of last shmdt() */ + __time64_t shm_ctime; /* time of last change by shmctl() */ + __pid_t shm_cpid; /* pid of creator */ + __pid_t shm_lpid; /* pid of last shmop */ + shmatt_t shm_nattch; /* number of current attaches */ + unsigned long int __glibc_reserved5; + unsigned long int __glibc_reserved6; diff --git a/sysdeps/unix/sysv/linux/bits/types/struct_shmid_ds.h b/sysdeps/unix/sysv/linux/bits/types/struct_shmid_ds.h index 2bd587d2b0..5f8ac6257b 100644 --- a/sysdeps/unix/sysv/linux/bits/types/struct_shmid_ds.h +++ b/sysdeps/unix/sysv/linux/bits/types/struct_shmid_ds.h @@ -23,23 +23,27 @@ /* Data structure describing a shared memory segment. */ struct shmid_ds { +#ifdef __USE_TIME_BITS64 +# include +#else struct ipc_perm shm_perm; /* operation permission struct */ size_t shm_segsz; /* size of segment in bytes */ -#if __TIMESIZE == 32 +# if __TIMESIZE == 32 __time_t shm_atime; /* time of last shmat() */ unsigned long int __shm_atime_high; __time_t shm_dtime; /* time of last shmdt() */ unsigned long int __shm_dtime_high; __time_t shm_ctime; /* time of last change by shmctl() */ unsigned long int __shm_ctime_high; -#else +# else __time_t shm_atime; /* time of last shmat() */ __time_t shm_dtime; /* time of last shmdt() */ __time_t shm_ctime; /* time of last change by shmctl() */ -#endif +# endif __pid_t shm_cpid; /* pid of creator */ __pid_t shm_lpid; /* pid of last shmop */ shmatt_t shm_nattch; /* number of current attaches */ __syscall_ulong_t __glibc_reserved5; __syscall_ulong_t __glibc_reserved6; +#endif }; diff --git a/sysdeps/unix/sysv/linux/hppa/bits/types/struct_shmid_ds.h b/sysdeps/unix/sysv/linux/hppa/bits/types/struct_shmid_ds.h index 47ff80ebb0..7831fd7340 100644 --- a/sysdeps/unix/sysv/linux/hppa/bits/types/struct_shmid_ds.h +++ b/sysdeps/unix/sysv/linux/hppa/bits/types/struct_shmid_ds.h @@ -23,8 +23,11 @@ /* Data structure describing a shared memory segment. */ struct shmid_ds { +#ifdef __USE_TIME_BITS64 +# include +#else struct ipc_perm shm_perm; /* operation permission struct */ -#if __TIMESIZE == 32 +# if __TIMESIZE == 32 unsigned long int __shm_atime_high; __time_t shm_atime; /* time of last shmat() */ unsigned long int __shm_dtime_high; @@ -32,15 +35,16 @@ struct shmid_ds unsigned long int __shm_ctime_high; __time_t shm_ctime; /* time of last change by shmctl() */ unsigned long int __glibc_reserved4; -#else +# else __time_t shm_atime; /* time of last shmat() */ __time_t shm_dtime; /* time of last shmdt() */ __time_t shm_ctime; /* time of last change by shmctl() */ -#endif +# endif size_t shm_segsz; /* size of segment in bytes */ __pid_t shm_cpid; /* pid of creator */ __pid_t shm_lpid; /* pid of last shmop */ shmatt_t shm_nattch; /* number of current attaches */ __syscall_ulong_t __glibc_reserved5; __syscall_ulong_t __glibc_reserved6; +#endif }; diff --git a/sysdeps/unix/sysv/linux/mips/bits/types/struct_shmid_ds.h b/sysdeps/unix/sysv/linux/mips/bits/types/struct_shmid_ds.h index 7f8f3b9c51..0691a610ae 100644 --- a/sysdeps/unix/sysv/linux/mips/bits/types/struct_shmid_ds.h +++ b/sysdeps/unix/sysv/linux/mips/bits/types/struct_shmid_ds.h @@ -23,27 +23,31 @@ /* Data structure describing a shared memory segment. */ struct shmid_ds { +#ifdef __USE_TIME_BITS64 +# include +#else struct ipc_perm shm_perm; /* operation permission struct */ size_t shm_segsz; /* size of segment in bytes */ -#if __TIMESIZE == 32 +# if __TIMESIZE == 32 __time_t shm_atime; /* time of last shmat() */ __time_t shm_dtime; /* time of last shmdt() */ __time_t shm_ctime; /* time of last change by shmctl() */ -#else +# else __time_t shm_atime; /* time of last shmat() */ __time_t shm_dtime; /* time of last shmdt() */ __time_t shm_ctime; /* time of last change by shmctl() */ -#endif +# endif __pid_t shm_cpid; /* pid of creator */ __pid_t shm_lpid; /* pid of last shmop */ shmatt_t shm_nattch; /* number of current attaches */ -#if __TIMESIZE == 32 +# if __TIMESIZE == 32 unsigned short int __shm_atime_high; unsigned short int __shm_dtime_high; unsigned short int __shm_ctime_high; unsigned short int __glibc_reserved4; -#else +# else __syscall_ulong_t __glibc_reserved5; __syscall_ulong_t __glibc_reserved6; +# endif #endif }; diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/types/struct_shmid_ds.h b/sysdeps/unix/sysv/linux/powerpc/bits/types/struct_shmid_ds.h index d71bdf1ecf..316d43ec99 100644 --- a/sysdeps/unix/sysv/linux/powerpc/bits/types/struct_shmid_ds.h +++ b/sysdeps/unix/sysv/linux/powerpc/bits/types/struct_shmid_ds.h @@ -23,8 +23,11 @@ /* Data structure describing a shared memory segment. */ struct shmid_ds { +#ifdef __USE_TIME_BITS64 +# include +#else struct ipc_perm shm_perm; /* operation permission struct */ -#if __TIMESIZE == 32 +# if __TIMESIZE == 32 unsigned long int __shm_atime_high; __time_t shm_atime; /* time of last shmat() */ unsigned long int __shm_dtime_high; @@ -32,15 +35,16 @@ struct shmid_ds unsigned long int __shm_ctime_high; __time_t shm_ctime; /* time of last change by shmctl() */ unsigned long int __glibc_reserved4; -#else +# else __time_t shm_atime; /* time of last shmat() */ __time_t shm_dtime; /* time of last shmdt() */ __time_t shm_ctime; /* time of last change by shmctl() */ -#endif +# endif size_t shm_segsz; /* size of segment in bytes */ __pid_t shm_cpid; /* pid of creator */ __pid_t shm_lpid; /* pid of last shmop */ shmatt_t shm_nattch; /* number of current attaches */ __syscall_ulong_t __glibc_reserved5; __syscall_ulong_t __glibc_reserved6; +#endif }; diff --git a/sysdeps/unix/sysv/linux/sparc/bits/types/struct_shmid_ds.h b/sysdeps/unix/sysv/linux/sparc/bits/types/struct_shmid_ds.h index 767099803f..86f0cedac3 100644 --- a/sysdeps/unix/sysv/linux/sparc/bits/types/struct_shmid_ds.h +++ b/sysdeps/unix/sysv/linux/sparc/bits/types/struct_shmid_ds.h @@ -23,23 +23,27 @@ /* Data structure describing a shared memory segment. */ struct shmid_ds { +#ifdef __USE_TIME_BITS64 +# include +#else struct ipc_perm shm_perm; /* operation permission struct */ -#if __TIMESIZE == 32 +# if __TIMESIZE == 32 unsigned long int __shm_atime_high; __time_t shm_atime; /* time of last shmat() */ unsigned long int __shm_dtime_high; __time_t shm_dtime; /* time of last shmdt() */ unsigned long int __shm_ctime_high; __time_t shm_ctime; /* time of last change by shmctl() */ -#else +# else __time_t shm_atime; /* time of last shmat() */ __time_t shm_dtime; /* time of last shmdt() */ __time_t shm_ctime; /* time of last change by shmctl() */ -#endif +# endif size_t shm_segsz; /* size of segment in bytes */ __pid_t shm_cpid; /* pid of creator */ __pid_t shm_lpid; /* pid of last shmop */ shmatt_t shm_nattch; /* number of current attaches */ __syscall_ulong_t __glibc_reserved5; __syscall_ulong_t __glibc_reserved6; +#endif };