diff options
Diffstat (limited to 'sysdeps/unix')
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/Makefile | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/msgctl.c | 120 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/semctl.c | 132 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/shmctl.c | 137 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/syscalls.list | 6 |
5 files changed, 395 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/Makefile b/sysdeps/unix/sysv/linux/alpha/Makefile index 3265e0f..0f08d13 100644 --- a/sysdeps/unix/sysv/linux/alpha/Makefile +++ b/sysdeps/unix/sysv/linux/alpha/Makefile @@ -13,6 +13,9 @@ sysdep_routines += osf_select osf_gettimeofday osf_settimeofday \ osf_getitimer osf_setitimer osf_utimes \ osf_getrusage osf_wait4 old_adjtimex +# Support old ipc control +sysdep_routines += oldmsgctl oldsemctl oldshmctl + CFLAGS-ioperm.c = -Wa,-mev6 endif diff --git a/sysdeps/unix/sysv/linux/alpha/msgctl.c b/sysdeps/unix/sysv/linux/alpha/msgctl.c new file mode 100644 index 0000000..2d07b1f --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/msgctl.c @@ -0,0 +1,120 @@ +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <sys/msg.h> +#include <ipc_priv.h> + +#include <sysdep.h> +#include <string.h> +#include <sys/syscall.h> + +#include "kernel-features.h" + +struct __old_msqid_ds +{ + struct __old_ipc_perm msg_perm; /* structure describing operation permission */ + struct msg *__msg_first; /* pointer to first message on queue */ + struct msg *__msg_last; /* pointer to last message on queue */ + __time_t msg_stime; /* time of last msgsnd command */ + __time_t msg_rtime; /* time of last msgrcv command */ + __time_t msg_ctime; /* time of last change */ + struct wait_queue *__wwait; /* ??? */ + struct wait_queue *__rwait; /* ??? */ + unsigned short int __msg_cbytes; /* current number of bytes on queue */ + unsigned short int msg_qnum; /* number of messages currently on queue */ + unsigned short int msg_qbytes; /* max number of bytes allowed on queue */ + __ipc_pid_t msg_lspid; /* pid of last msgsnd() */ + __ipc_pid_t msg_lrpid; /* pid of last msgrcv() */ +}; + +/* Allows to control internal state and destruction of message queue + objects. */ +int __new_msgctl (int, int, struct msqid_ds *); + +int +__new_msgctl (int msqid, int cmd, struct msqid_ds *buf) +{ +#if __ASSUME_32BITUIDS > 0 + return INLINE_SYSCALL (msgctl, 3, msqid, cmd | __IPC_64, buf); +#else + switch (cmd) { + case MSG_STAT: + case IPC_STAT: + case IPC_SET: + break; + default: + return INLINE_SYSCALL (msgctl, 3, msqid, cmd, buf); + } + + { + int save_errno = errno, result; + struct __old_msqid_ds old; + + /* Unfortunately there is no way how to find out for sure whether + we should use old or new msgctl. */ + result = INLINE_SYSCALL (msgctl, 3, msqid, cmd | __IPC_64, buf); + if (result != -1 || errno != EINVAL) + return result; + + __set_errno(save_errno); + if (cmd == IPC_SET) + { + old.msg_perm.uid = buf->msg_perm.uid; + old.msg_perm.gid = buf->msg_perm.gid; + old.msg_perm.mode = buf->msg_perm.mode; + old.msg_qbytes = buf->msg_qbytes; + if (old.msg_perm.uid != buf->msg_perm.uid || + old.msg_perm.gid != buf->msg_perm.gid || + old.msg_qbytes != buf->msg_qbytes) + { + __set_errno (EINVAL); + return -1; + } + } + result = INLINE_SYSCALL (msgctl, 3, msqid, cmd, &old); + if (result != -1 && cmd != IPC_SET) + { + memset(buf, 0, sizeof(*buf)); + buf->msg_perm.__key = old.msg_perm.__key; + buf->msg_perm.uid = old.msg_perm.uid; + buf->msg_perm.gid = old.msg_perm.gid; + buf->msg_perm.cuid = old.msg_perm.cuid; + buf->msg_perm.cgid = old.msg_perm.cgid; + buf->msg_perm.mode = old.msg_perm.mode; + buf->msg_perm.__seq = old.msg_perm.__seq; + buf->msg_stime = old.msg_stime; + buf->msg_rtime = old.msg_rtime; + buf->msg_ctime = old.msg_ctime; + buf->__msg_cbytes = old.__msg_cbytes; + buf->msg_qnum = old.msg_qnum; + buf->msg_qbytes = old.msg_qbytes; + buf->msg_lspid = old.msg_lspid; + buf->msg_lrpid = old.msg_lrpid; + } + return result; + } +#endif +} + +#if defined PIC && DO_VERSIONING +default_symbol_version (__new_msgctl, msgctl, GLIBC_2.2); +#else +weak_alias (__new_msgctl, msgctl); +#endif diff --git a/sysdeps/unix/sysv/linux/alpha/semctl.c b/sysdeps/unix/sysv/linux/alpha/semctl.c new file mode 100644 index 0000000..6281e44 --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/semctl.c @@ -0,0 +1,132 @@ +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <stdarg.h> +#include <sys/sem.h> +#include <ipc_priv.h> + +#include <sysdep.h> +#include <string.h> +#include <sys/syscall.h> + +#include "kernel-features.h" + +struct __old_semid_ds +{ + struct __old_ipc_perm sem_perm; /* operation permission struct */ + __time_t sem_otime; /* last semop() time */ + __time_t sem_ctime; /* last time changed by semctl() */ + struct sem *__sembase; /* ptr to first semaphore in array */ + struct sem_queue *__sem_pending; /* pending operations */ + struct sem_queue *__sem_pending_last; /* last pending operation */ + struct sem_undo *__undo; /* ondo requests on this array */ + unsigned short int sem_nsems; /* number of semaphores in set */ +}; + +/* Define a `union semun' suitable for Linux here. */ +union semun +{ + int val; /* value for SETVAL */ + struct semid_ds *buf; /* buffer for IPC_STAT & IPC_SET */ + unsigned short int *array; /* array for GETALL & SETALL */ + struct seminfo *__buf; /* buffer for IPC_INFO */ +}; + + +/* Return identifier for array of NSEMS semaphores associated with + KEY. */ +int __new_semctl (int semid, int semnum, int cmd, ...); + +int +__new_semctl (int semid, int semnum, int cmd, ...) +{ + union semun arg; + va_list ap; + + va_start (ap, cmd); + + /* Get the argument. */ + arg = va_arg (ap, union semun); + + va_end (ap); + +#if __ASSUME_32BITUIDS > 0 + return INLINE_SYSCALL (semctl, 4, semid, semnum, cmd | __IPC_64, &arg); +#else + switch (cmd) { + case SEM_STAT: + case IPC_STAT: + case IPC_SET: + break; + default: + return INLINE_SYSCALL (semctl, 4, semid, semnum, cmd, &arg); + } + + { + int save_errno = errno, result; + struct __old_semid_ds old; + struct semid_ds *buf; + + /* Unfortunately there is no way how to find out for sure whether + we should use old or new semctl. */ + result = INLINE_SYSCALL (semctl, 4, semid, semnum, cmd | __IPC_64, &arg); + if (result != -1 || errno != EINVAL) + return result; + + __set_errno(save_errno); + buf = arg.buf; + arg.buf = (struct semid_ds *)&old; + if (cmd == IPC_SET) + { + old.sem_perm.uid = buf->sem_perm.uid; + old.sem_perm.gid = buf->sem_perm.gid; + old.sem_perm.mode = buf->sem_perm.mode; + if (old.sem_perm.uid != buf->sem_perm.uid || + old.sem_perm.gid != buf->sem_perm.gid) + { + __set_errno (EINVAL); + return -1; + } + } + result = INLINE_SYSCALL (semctl, 4, semid, semnum, cmd, &arg); + if (result != -1 && cmd != IPC_SET) + { + memset(buf, 0, sizeof(*buf)); + buf->sem_perm.__key = old.sem_perm.__key; + buf->sem_perm.uid = old.sem_perm.uid; + buf->sem_perm.gid = old.sem_perm.gid; + buf->sem_perm.cuid = old.sem_perm.cuid; + buf->sem_perm.cgid = old.sem_perm.cgid; + buf->sem_perm.mode = old.sem_perm.mode; + buf->sem_perm.__seq = old.sem_perm.__seq; + buf->sem_otime = old.sem_otime; + buf->sem_ctime = old.sem_ctime; + buf->sem_nsems = old.sem_nsems; + } + return result; + } +#endif +} + +#if defined PIC && DO_VERSIONING +default_symbol_version (__new_semctl, semctl, GLIBC_2.2); +#else +weak_alias (__new_semctl, semctl); +#endif diff --git a/sysdeps/unix/sysv/linux/alpha/shmctl.c b/sysdeps/unix/sysv/linux/alpha/shmctl.c new file mode 100644 index 0000000..162afee --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/shmctl.c @@ -0,0 +1,137 @@ +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <sys/shm.h> +#include <ipc_priv.h> + +#include <sysdep.h> +#include <string.h> +#include <sys/syscall.h> +#include <bits/wordsize.h> + +#include "kernel-features.h" + +struct __old_shmid_ds +{ + struct __old_ipc_perm shm_perm; /* operation permission struct */ + int shm_segsz; /* size of segment in bytes */ + __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() */ + __ipc_pid_t shm_cpid; /* pid of creator */ + __ipc_pid_t shm_lpid; /* pid of last shmop */ + unsigned short int shm_nattch; /* number of current attaches */ + unsigned short int __shm_npages; /* size of segment (pages) */ + unsigned long int *__shm_pages; /* array of ptrs to frames -> SHMMAX */ + struct vm_area_struct *__attaches; /* descriptors for attaches */ +}; + +struct __old_shminfo +{ + int shmmax; + int shmmin; + int shmmni; + int shmseg; + int shmall; +}; + +/* Provide operations to control over shared memory segments. */ +int __new_shmctl (int, int, struct shmid_ds *); + +int +__new_shmctl (int shmid, int cmd, struct shmid_ds *buf) +{ +#if __ASSUME_32BITUIDS > 0 + return INLINE_SYSCALL (shmctl, 3, shmid, cmd | __IPC_64, buf); +#else + switch (cmd) { + case SHM_STAT: + case IPC_STAT: + case IPC_SET: + case IPC_INFO: + break; + default: + return INLINE_SYSCALL (shmctl, 3, shmid, cmd, buf); + } + + { + int save_errno = errno, result; + struct __old_shmid_ds old; + + /* Unfortunately there is no way how to find out for sure whether + we should use old or new shmctl. */ + result = INLINE_SYSCALL (shmctl, 3, shmid, cmd | __IPC_64, buf); + if (result != -1 || errno != EINVAL) + return result; + + __set_errno(save_errno); + if (cmd == IPC_SET) + { + old.shm_perm.uid = buf->shm_perm.uid; + old.shm_perm.gid = buf->shm_perm.gid; + old.shm_perm.mode = buf->shm_perm.mode; + if (old.shm_perm.uid != buf->shm_perm.uid || + old.shm_perm.gid != buf->shm_perm.gid) + { + __set_errno (EINVAL); + return -1; + } + } + result = INLINE_SYSCALL (shmctl, 3, shmid, cmd, &old); + if (result != -1 && (cmd == SHM_STAT || cmd == IPC_STAT)) + { + memset(buf, 0, sizeof(*buf)); + buf->shm_perm.__key = old.shm_perm.__key; + buf->shm_perm.uid = old.shm_perm.uid; + buf->shm_perm.gid = old.shm_perm.gid; + buf->shm_perm.cuid = old.shm_perm.cuid; + buf->shm_perm.cgid = old.shm_perm.cgid; + buf->shm_perm.mode = old.shm_perm.mode; + buf->shm_perm.__seq = old.shm_perm.__seq; + buf->shm_atime = old.shm_atime; + buf->shm_dtime = old.shm_dtime; + buf->shm_ctime = old.shm_ctime; + buf->shm_segsz = old.shm_segsz; + buf->shm_nattch = old.shm_nattch; + buf->shm_cpid = old.shm_cpid; + buf->shm_lpid = old.shm_lpid; + } + else if (result != -1 && cmd == IPC_INFO) + { + struct __old_shminfo *oldi = (struct __old_shminfo *)&old; + struct shminfo *i = (struct shminfo *)buf; + + memset(i, 0, sizeof(*i)); + i->shmmax = oldi->shmmax; + i->shmmin = oldi->shmmin; + i->shmmni = oldi->shmmni; + i->shmseg = oldi->shmseg; + i->shmall = oldi->shmall; + } + return result; + } +#endif +} + +#if defined PIC && DO_VERSIONING +default_symbol_version (__new_shmctl, shmctl, GLIBC_2.2); +#else +weak_alias (__new_shmctl, shmctl); +#endif diff --git a/sysdeps/unix/sysv/linux/alpha/syscalls.list b/sysdeps/unix/sysv/linux/alpha/syscalls.list index 8a86c7c..241ed02 100644 --- a/sysdeps/unix/sysv/linux/alpha/syscalls.list +++ b/sysdeps/unix/sysv/linux/alpha/syscalls.list @@ -3,17 +3,17 @@ # used to implement inb()/outb() etc. sethae - sethae 1 __sethae -msgctl - msgctl 3 __msgctl msgctl +oldmsgctl EXTRA msgctl 3 __old_msgctl msgctl@GLIBC_2.0 msgget - msgget 2 __msgget msgget msgrcv - msgrcv 5 __msgrcv msgrcv msgsnd - msgsnd 4 __msgsnd msgsnd shmat - osf_shmat 3 __shmat shmat -shmctl - shmctl 3 __shmctl shmctl +oldshmctl EXTRA shmctl 3 __old_shmctl shmctl@GLIBC_2.0 shmdt - shmdt 1 __shmdt shmdt shmget - shmget 3 __shmget shmget semop - semop 3 __semop semop semget - semget 3 __semget semget -semctl - semctl 4 __semctl semctl +oldsemctl EXTRA semctl 4 __old_semctl semctl@GLIBC_2.0 osf_sigprocmask - osf_sigprocmask 2 __osf_sigprocmask sigstack - sigstack 2 sigstack |