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-rw-r--r--tools/libaio/src/libaio.h222
1 files changed, 0 insertions, 222 deletions
diff --git a/tools/libaio/src/libaio.h b/tools/libaio/src/libaio.h
deleted file mode 100644
index 657460128a..0000000000
--- a/tools/libaio/src/libaio.h
+++ /dev/null
@@ -1,222 +0,0 @@
-/* /usr/include/libaio.h
- *
- * Copyright 2000,2001,2002 Red Hat, Inc.
- *
- * Written by Benjamin LaHaise <bcrl@redhat.com>
- *
- * libaio Linux async I/O interface
- *
- * This 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 of the License, or (at your option) any later version.
- *
- * This 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#ifndef __LIBAIO_H
-#define __LIBAIO_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <sys/types.h>
-#include <string.h>
-
-struct timespec;
-struct sockaddr;
-struct iovec;
-struct iocb;
-
-typedef struct io_context *io_context_t;
-
-typedef enum io_iocb_cmd {
- IO_CMD_PREAD = 0,
- IO_CMD_PWRITE = 1,
-
- IO_CMD_FSYNC = 2,
- IO_CMD_FDSYNC = 3,
-
- IO_CMD_POLL = 5,
- IO_CMD_NOOP = 6,
-} io_iocb_cmd_t;
-
-#if defined(__i386__) /* little endian, 32 bits */
-#define PADDED(x, y) x; unsigned y
-#define PADDEDptr(x, y) x; unsigned y
-#define PADDEDul(x, y) unsigned long x; unsigned y
-#elif defined(__ia64__) || defined(__x86_64__) || defined(__alpha__)
-#define PADDED(x, y) x, y
-#define PADDEDptr(x, y) x
-#define PADDEDul(x, y) unsigned long x
-#elif defined(__powerpc64__) /* big endian, 64 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x,y) x
-#define PADDEDul(x, y) unsigned long x
-#elif defined(__PPC__) /* big endian, 32 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x, y) unsigned y; x
-#define PADDEDul(x, y) unsigned y; unsigned long x
-#elif defined(__s390x__) /* big endian, 64 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x,y) x
-#define PADDEDul(x, y) unsigned long x
-#elif defined(__s390__) /* big endian, 32 bits */
-#define PADDED(x, y) unsigned y; x
-#define PADDEDptr(x, y) unsigned y; x
-#define PADDEDul(x, y) unsigned y; unsigned long x
-#else
-#error endian?
-#endif
-
-struct io_iocb_poll {
- PADDED(int events, __pad1);
-}; /* result code is the set of result flags or -'ve errno */
-
-struct io_iocb_sockaddr {
- struct sockaddr *addr;
- int len;
-}; /* result code is the length of the sockaddr, or -'ve errno */
-
-struct io_iocb_common {
- PADDEDptr(void *buf, __pad1);
- PADDEDul(nbytes, __pad2);
- long long offset;
- long long __pad3, __pad4;
-}; /* result code is the amount read or -'ve errno */
-
-struct io_iocb_vector {
- const struct iovec *vec;
- int nr;
- long long offset;
-}; /* result code is the amount read or -'ve errno */
-
-struct iocb {
- PADDEDptr(void *data, __pad1); /* Return in the io completion event */
- PADDED(unsigned key, __pad2); /* For use in identifying io requests */
-
- short aio_lio_opcode;
- short aio_reqprio;
- int aio_fildes;
-
- union {
- struct io_iocb_common c;
- struct io_iocb_vector v;
- struct io_iocb_poll poll;
- struct io_iocb_sockaddr saddr;
- } u;
-};
-
-struct io_event {
- PADDEDptr(void *data, __pad1);
- PADDEDptr(struct iocb *obj, __pad2);
- PADDEDul(res, __pad3);
- PADDEDul(res2, __pad4);
-};
-
-#undef PADDED
-#undef PADDEDptr
-#undef PADDEDul
-
-typedef void (*io_callback_t)(io_context_t ctx, struct iocb *iocb, long res, long res2);
-
-/* library wrappers */
-extern int io_queue_init(int maxevents, io_context_t *ctxp);
-/*extern int io_queue_grow(io_context_t ctx, int new_maxevents);*/
-extern int io_queue_release(io_context_t ctx);
-/*extern int io_queue_wait(io_context_t ctx, struct timespec *timeout);*/
-extern int io_queue_run(io_context_t ctx);
-
-/* Actual syscalls */
-extern int io_setup(int maxevents, io_context_t *ctxp);
-extern int io_destroy(io_context_t ctx);
-extern int io_submit(io_context_t ctx, long nr, struct iocb *ios[]);
-extern int io_cancel(io_context_t ctx, struct iocb *iocb, struct io_event *evt);
-extern int io_getevents(io_context_t ctx_id, long min_nr, long nr, struct io_event *events, struct timespec *timeout);
-
-
-static inline void io_set_callback(struct iocb *iocb, io_callback_t cb)
-{
- iocb->data = (void *)cb;
-}
-
-static inline void io_prep_pread(struct iocb *iocb, int fd, void *buf, size_t count, long long offset)
-{
- memset(iocb, 0, sizeof(*iocb));
- iocb->aio_fildes = fd;
- iocb->aio_lio_opcode = IO_CMD_PREAD;
- iocb->aio_reqprio = 0;
- iocb->u.c.buf = buf;
- iocb->u.c.nbytes = count;
- iocb->u.c.offset = offset;
-}
-
-static inline void io_prep_pwrite(struct iocb *iocb, int fd, void *buf, size_t count, long long offset)
-{
- memset(iocb, 0, sizeof(*iocb));
- iocb->aio_fildes = fd;
- iocb->aio_lio_opcode = IO_CMD_PWRITE;
- iocb->aio_reqprio = 0;
- iocb->u.c.buf = buf;
- iocb->u.c.nbytes = count;
- iocb->u.c.offset = offset;
-}
-
-static inline void io_prep_poll(struct iocb *iocb, int fd, int events)
-{
- memset(iocb, 0, sizeof(*iocb));
- iocb->aio_fildes = fd;
- iocb->aio_lio_opcode = IO_CMD_POLL;
- iocb->aio_reqprio = 0;
- iocb->u.poll.events = events;
-}
-
-static inline int io_poll(io_context_t ctx, struct iocb *iocb, io_callback_t cb, int fd, int events)
-{
- io_prep_poll(iocb, fd, events);
- io_set_callback(iocb, cb);
- return io_submit(ctx, 1, &iocb);
-}
-
-static inline void io_prep_fsync(struct iocb *iocb, int fd)
-{
- memset(iocb, 0, sizeof(*iocb));
- iocb->aio_fildes = fd;
- iocb->aio_lio_opcode = IO_CMD_FSYNC;
- iocb->aio_reqprio = 0;
-}
-
-static inline int io_fsync(io_context_t ctx, struct iocb *iocb, io_callback_t cb, int fd)
-{
- io_prep_fsync(iocb, fd);
- io_set_callback(iocb, cb);
- return io_submit(ctx, 1, &iocb);
-}
-
-static inline void io_prep_fdsync(struct iocb *iocb, int fd)
-{
- memset(iocb, 0, sizeof(*iocb));
- iocb->aio_fildes = fd;
- iocb->aio_lio_opcode = IO_CMD_FDSYNC;
- iocb->aio_reqprio = 0;
-}
-
-static inline int io_fdsync(io_context_t ctx, struct iocb *iocb, io_callback_t cb, int fd)
-{
- io_prep_fdsync(iocb, fd);
- io_set_callback(iocb, cb);
- return io_submit(ctx, 1, &iocb);
-}
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __LIBAIO_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 09:27:00 +0000