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2000-08-11 Ulrich Drepper <drepper@redhat.com> * rt/aio_cancel.c: If canceling a specific request which is running *really* do nothing. * rt/aio_misc.h: Add `done' to states of a request. * rt/aio_misc.c: Add several tests for the correct state. Simplify request table memory handling. 2000-08-10 Jakub Jelinek <jakub@redhat.com> * dirent/scandir.c: Use it for scandir64 and old_scandir64 as well. * dirent/scandir64.c: Move... * sysdeps/generic/scandir64.c: ...here. * dirent/alphasort64.c: Move... * sysdeps/generic/alphasort64.c: ...here. * dirent/versionsort64.c: Move... * sysdeps/generic/versionsort64.c: ...here. * sysdeps/unix/sysv/linux/i386/dirent/Versions (alphasort64, getdirentries64, readdir64, readdir64_r, scandir64, versionsort64): Export symbols at GLIBC_2.2. * sysdeps/unix/sysv/linux/powerpc/dirent/Versions: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/dirent/Versions: Likewise. * include/dirent.h (__readdir64_r, __scandir64, __alphasort64, __versionsort64): Add prototypes. * io/Versions (__xstat64, __fxstat64, __lxstat64): Export at GLIBC_2.2. * sysdeps/unix/sysv/linux/alpha/kernel_stat.h (__xstat_conv): Remove unused prototype. * sysdeps/unix/sysv/linux/alpha/readdir.c: Export at both GLIBC_2.1 and GLIBC_2.2. * sysdeps/unix/sysv/linux/alpha/readdir_r.c: Likewise. * sysdeps/unix/sysv/linux/alpha/getdents.c: New. * sysdeps/unix/sysv/linux/alpha/getdents64.c: New. * sysdeps/unix/sysv/linux/bits/types.h (__ino64_t): Change to __u_quad_t. * sysdeps/unix/sysv/linux/bits/stat.h (struct stat, struct stat64): Adjust for kernel-2.4.0-test6 layout. * sysdeps/unix/sysv/linux/i386/fxstat.c (__fxstat64): Export at both GLIBC_2.1 and GLIBC_2.2. * sysdeps/unix/sysv/linux/i386/lxstat.c (__lxstat64): Likewise. * sysdeps/unix/sysv/linux/i386/xstat.c (__xstat64): Likewise. * sysdeps/unix/sysv/linux/i386/getdents64.c: New. * sysdeps/unix/sysv/linux/i386/olddirent.h: New. * sysdeps/unix/sysv/linux/i386/readdir64.c: New. * sysdeps/unix/sysv/linux/i386/readdir64_r.c: New. * sysdeps/unix/sysv/linux/i386/scandir64.c: New. * sysdeps/unix/sysv/linux/i386/alphasort64.c: New. * sysdeps/unix/sysv/linux/i386/versionsort64.c: New. * sysdeps/unix/sysv/linux/ia64/getdents.c: New. * sysdeps/unix/sysv/linux/ia64/getdents64.c: New. * sysdeps/unix/sysv/linux/ia64/readdir.c: Include alpha/readdir.c. * sysdeps/unix/sysv/linux/ia64/readdir_r.c: Include alpha/readdir_r.c. * sysdeps/unix/sysv/linux/mips/bits/types.h (__ino64_t): Change to __u_quad_t. * sysdeps/unix/sysv/linux/powerpc/bits/stat.h: New. * sysdeps/unix/sysv/linux/powerpc/kernel_stat.h (_HAVE_STAT*): Define. * sysdeps/unix/sysv/linux/powerpc/scandir64.c: New. * sysdeps/unix/sysv/linux/powerpc/getdents64.c: New. * sysdeps/unix/sysv/linux/powerpc/readdir64.c: New. * sysdeps/unix/sysv/linux/powerpc/readdir64_r.c: New. * sysdeps/unix/sysv/linux/sparc/bits/types.h (__ino64_t): Change to __u_quad_t. * sysdeps/unix/sysv/linux/sparc/bits/stat.h: New. * sysdeps/unix/sysv/linux/sparc/sparc32/kernel_stat.h (_HAVE_STAT*): Define. * sysdeps/unix/sysv/linux/sparc/sparc32/getdents64.c: New. * sysdeps/unix/sysv/linux/sparc/sparc32/readdir64.c: New. * sysdeps/unix/sysv/linux/sparc/sparc32/readdir64_r.c: New. * sysdeps/unix/sysv/linux/sparc/sparc32/scandir64.c: New. * sysdeps/unix/sysv/linux/sparc/sparc64/kernel_stat.h (_HAVE_STAT*): Define. * sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c: Include alpha/readdir.c. * sysdeps/unix/sysv/linux/sparc/sparc64/readdir_r.c: Include alpha/readdir_r.c * sysdeps/unix/sysv/linux/sparc/sparc64/getdents.c: New. * sysdeps/unix/sysv/linux/sparc/sparc64/getdents64.c: New. * sysdeps/unix/sysv/linux/fxstat64.c (__fxstat64): If _HAVE_STAT64___ST_INO and __st_ino != (uint32_t)st_ino, set st_ino from __st_ino. * sysdeps/unix/sysv/linux/lxstat64.c (__lxstat64): Likewise. * sysdeps/unix/sysv/linux/xstat64.c (__xstat64): Likewise. * sysdeps/unix/sysv/linux/xstatconv.c (xstat_conv, xstat64_conv, xstat32_conv): Use _HAVE_STAT* macros. If _HAVE_STAT64___ST_INO, set __st_ino in addition to st_ino. * sysdeps/unix/sysv/linux/kernel_stat.h (_HAVE_STAT*): Define. * sysdeps/unix/sysv/linux/getdents.c: Use it for __getdents64 and __old_getdents64 as well. * sysdeps/unix/sysv/linux/getdirentries.c: Use it for getdirentries64 and old_getdirentries64 as well. * sysdeps/unix/sysv/linux/getdirentries64.c (GETDIRENTRIES, __GETDENTS): Define. (GETDENTS64): Remove. * sysdeps/unix/sysv/linux/getdents64.c (__GETDENTS, DIRENT_TYPE): Define. (GETDENTS64): Remove. * sysdeps/unix/sysv/linux/readdir64.c: Use sysdeps/unix/readdir.c. * sysdeps/unix/sysv/linux/readdir64_r.c: Use sysdeps/unix/readdir_r.c. * sysdeps/unix/readdir.c: Use it for readdir64 and __old_readdir64 as well. * sysdeps/unix/readdir_r.c: Use it for readdir64_r and __old_readdir64_r as well. * sysdeps/unix/sysv/linux/kernel-features.h: Define __ASSUME_ST_INO_64_bit for kernel 2.4.1 and up. * sysdeps/unix/sysv/linux/ia64/bits/siginfo.h: Add SI_KERNEL define.
128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/* Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _AIO_MISC_H
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#define _AIO_MISC_H 1
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#include <aio.h>
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#include <pthread.h>
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/* Extend the operation enum. */
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enum
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{
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LIO_DSYNC = LIO_READ + 1,
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LIO_SYNC,
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LIO_READ64 = LIO_READ | 128,
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LIO_WRITE64 = LIO_WRITE | 128
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};
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/* Union of the two request types. */
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typedef union
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{
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struct aiocb aiocb;
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struct aiocb64 aiocb64;
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} aiocb_union;
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/* Used to synchronize. */
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struct waitlist
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{
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struct waitlist *next;
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pthread_cond_t *cond;
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volatile int *counterp;
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/* The next field is used in asynchronous `lio_listio' operations. */
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struct sigevent *sigevp;
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/* XXX See requestlist, it's used to work around the broken signal
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handling in Linux. */
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pid_t caller_pid;
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};
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/* Status of a request. */
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enum
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{
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no,
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queued,
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yes,
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allocated,
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done
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};
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/* Used to queue requests.. */
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struct requestlist
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{
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int running;
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struct requestlist *last_fd;
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struct requestlist *next_fd;
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struct requestlist *next_prio;
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struct requestlist *next_run;
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/* Pointer to the actual data. */
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aiocb_union *aiocbp;
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/* PID of the initiator thread.
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XXX This is only necessary for the broken signal handling on Linux. */
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pid_t caller_pid;
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/* List of waiting processes. */
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struct waitlist *waiting;
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};
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/* Lock for global I/O list of requests. */
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extern pthread_mutex_t __aio_requests_mutex;
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/* Enqueue request. */
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extern struct requestlist *__aio_enqueue_request (aiocb_union *aiocbp,
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int operation)
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internal_function;
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/* Find request entry for given AIO control block. */
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extern struct requestlist *__aio_find_req (aiocb_union *elem)
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internal_function;
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/* Find request entry for given file descriptor. */
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extern struct requestlist *__aio_find_req_fd (int fildes) internal_function;
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/* Remove request from the list. */
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extern void __aio_remove_request (struct requestlist *last,
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struct requestlist *req, int all)
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internal_function;
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/* Release the entry for the request. */
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extern void __aio_free_request (struct requestlist *req) internal_function;
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/* Notify initiator of request and tell this everybody listening. */
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extern void __aio_notify (struct requestlist *req) internal_function;
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/* Notify initiator of request. */
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extern int __aio_notify_only (struct sigevent *sigev, pid_t caller_pid)
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internal_function;
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/* Send the signal. */
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extern int __aio_sigqueue (int sig, const union sigval val, pid_t caller_pid)
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internal_function;
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#endif /* aio_misc.h */
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