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Diffstat (limited to 'sysdeps/pthread/aio_misc.h')
-rw-r--r-- | sysdeps/pthread/aio_misc.h | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/sysdeps/pthread/aio_misc.h b/sysdeps/pthread/aio_misc.h deleted file mode 100644 index e23524cffe..0000000000 --- a/sysdeps/pthread/aio_misc.h +++ /dev/null @@ -1,122 +0,0 @@ -/* Copyright (C) 1997-2021 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 - <https://www.gnu.org/licenses/>. */ - -#ifndef _AIO_MISC_H -#define _AIO_MISC_H 1 - -#include <aio.h> -#include <pthread.h> - - -/* Extend the operation enum. */ -enum -{ - LIO_DSYNC = LIO_NOP + 1, - LIO_SYNC, - LIO_READ64 = LIO_READ | 128, - LIO_WRITE64 = LIO_WRITE | 128 -}; - - -/* Union of the two request types. */ -typedef union - { - struct aiocb aiocb; - struct aiocb64 aiocb64; - } aiocb_union; - - -/* Used to synchronize. */ -struct waitlist - { - struct waitlist *next; - - /* The next two fields is used in synchronous `lio_listio' operations. */ -#ifndef DONT_NEED_AIO_MISC_COND - pthread_cond_t *cond; -#endif - int *result; - - volatile unsigned int *counterp; - /* The next field is used in asynchronous `lio_listio' operations. */ - struct sigevent *sigevp; - }; - - -/* Status of a request. */ -enum -{ - no, - queued, - yes, - allocated, - done -}; - - -/* Used to queue requests.. */ -struct requestlist - { - int running; - - struct requestlist *last_fd; - struct requestlist *next_fd; - struct requestlist *next_prio; - struct requestlist *next_run; - - /* Pointer to the actual data. */ - aiocb_union *aiocbp; - - /* List of waiting processes. */ - struct waitlist *waiting; - }; - - -/* Lock for global I/O list of requests. */ -extern pthread_mutex_t __aio_requests_mutex attribute_hidden; - - -/* Enqueue request. */ -extern struct requestlist *__aio_enqueue_request (aiocb_union *aiocbp, - int operation) - attribute_hidden; - -/* Find request entry for given AIO control block. */ -extern struct requestlist *__aio_find_req (aiocb_union *elem) attribute_hidden; - -/* Find request entry for given file descriptor. */ -extern struct requestlist *__aio_find_req_fd (int fildes) attribute_hidden; - -/* Remove request from the list. */ -extern void __aio_remove_request (struct requestlist *last, - struct requestlist *req, int all) - attribute_hidden; - -/* Release the entry for the request. */ -extern void __aio_free_request (struct requestlist *req) attribute_hidden; - -/* Notify initiator of request and tell this everybody listening. */ -extern void __aio_notify (struct requestlist *req) attribute_hidden; - -/* Notify initiator of request. */ -extern int __aio_notify_only (struct sigevent *sigev) attribute_hidden; - -/* Send the signal. */ -extern int __aio_sigqueue (int sig, const union sigval val, pid_t caller_pid) - attribute_hidden; - -#endif /* aio_misc.h */ |