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Comparing libeio/eio.c (file contents):
Revision 1.137 by root, Thu Jun 25 17:40:24 2015 UTC vs.
Revision 1.143 by root, Sat Dec 3 16:33:46 2016 UTC

1/* 1/*
2 * libeio implementation 2 * libeio implementation
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libeio@schmorp.de> 4 * Copyright (c) 2007,2008,2009,2010,2011,2012,2013,2016 Marc Alexander Lehmann <libeio@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
42#endif 42#endif
43 43
44#include "eio.h" 44#include "eio.h"
45#include "ecb.h" 45#include "ecb.h"
46 46
47#ifdef EIO_STACKSIZE
48# define X_STACKSIZE EIO_STACKSIZE
49#endif
50#include "xthread.h"
51
52#include <errno.h> 47#include <errno.h>
53#include <stddef.h> 48#include <stddef.h>
54#include <stdlib.h> 49#include <stdlib.h>
55#include <string.h> 50#include <string.h>
56#include <errno.h> 51#include <errno.h>
… …
122 #define chmod(path,mode) _chmod (path, mode) 117 #define chmod(path,mode) _chmod (path, mode)
123 #define dup(fd) _dup (fd) 118 #define dup(fd) _dup (fd)
124 #define dup2(fd1,fd2) _dup2 (fd1, fd2) 119 #define dup2(fd1,fd2) _dup2 (fd1, fd2)
125 #define pipe(fds) _pipe (fds, 4096, O_BINARY) 120 #define pipe(fds) _pipe (fds, 4096, O_BINARY)
126 121
122 #define fcntl(fd,cmd,arg) EIO_ENOSYS ()
123 #define ioctl(fd,cmd,arg) EIO_ENOSYS ()
127 #define fchmod(fd,mode) EIO_ENOSYS () 124 #define fchmod(fd,mode) EIO_ENOSYS ()
128 #define chown(path,uid,gid) EIO_ENOSYS () 125 #define chown(path,uid,gid) EIO_ENOSYS ()
129 #define fchown(fd,uid,gid) EIO_ENOSYS () 126 #define fchown(fd,uid,gid) EIO_ENOSYS ()
130 #define truncate(path,offs) EIO_ENOSYS () /* far-miss: SetEndOfFile */ 127 #define truncate(path,offs) EIO_ENOSYS () /* far-miss: SetEndOfFile */
131 #define ftruncate(fd,offs) EIO_ENOSYS () /* near-miss: SetEndOfFile */ 128 #define ftruncate(fd,offs) EIO_ENOSYS () /* near-miss: SetEndOfFile */
… …
204 /* we could even stat and see if it exists */ 201 /* we could even stat and see if it exists */
205 static int 202 static int
206 symlink (const char *old, const char *neu) 203 symlink (const char *old, const char *neu)
207 { 204 {
208 #if WINVER >= 0x0600 205 #if WINVER >= 0x0600
206 int flags;
207
208 /* This tries out all combinations of SYMBOLIC_LINK_FLAG_DIRECTORY
209 * and SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE,
210 * with directory first.
211 */
212 for (flags = 3; flags >= 0; --flags)
209 if (CreateSymbolicLink (neu, old, 1)) 213 if (CreateSymbolicLink (neu, old, flags))
210 return 0; 214 return 0;
211
212 if (CreateSymbolicLink (neu, old, 0))
213 return 0;
214 #endif 215 #endif
215 216
216 return EIO_ERRNO (ENOENT, -1); 217 return EIO_ERRNO (ENOENT, -1);
217 } 218 }
218 219
… …
281# include <utime.h> 282# include <utime.h>
282#endif 283#endif
283 284
284#if HAVE_SYS_SYSCALL_H 285#if HAVE_SYS_SYSCALL_H
285# include <sys/syscall.h> 286# include <sys/syscall.h>
286#endif
287
288#if HAVE_SYS_PRCTL_H
289# include <sys/prctl.h>
290#endif 287#endif
291 288
292#if HAVE_SENDFILE 289#if HAVE_SENDFILE
293# if __linux 290# if __linux
294# include <sys/sendfile.h> 291# include <sys/sendfile.h>
… …
366#define ETP_PRI_MAX EIO_PRI_MAX 363#define ETP_PRI_MAX EIO_PRI_MAX
367 364
368#define ETP_TYPE_QUIT -1 365#define ETP_TYPE_QUIT -1
369#define ETP_TYPE_GROUP EIO_GROUP 366#define ETP_TYPE_GROUP EIO_GROUP
370 367
368static void eio_nop_callback (void) { }
369static void (*eio_want_poll_cb)(void) = eio_nop_callback;
370static void (*eio_done_poll_cb)(void) = eio_nop_callback;
371
372#define ETP_WANT_POLL(pool) eio_want_poll_cb ()
373#define ETP_DONE_POLL(pool) eio_done_poll_cb ()
374
371struct etp_worker; 375struct etp_worker;
372
373#define ETP_REQ eio_req 376#define ETP_REQ eio_req
374#define ETP_DESTROY(req) eio_destroy (req) 377#define ETP_DESTROY(req) eio_destroy (req)
375static int eio_finish (eio_req *req); 378static int eio_finish (eio_req *req);
376#define ETP_FINISH(req) eio_finish (req) 379#define ETP_FINISH(req) eio_finish (req)
377static void eio_execute (struct etp_worker *self, eio_req *req); 380static void eio_execute (struct etp_worker *self, eio_req *req);
… …
1706/*****************************************************************************/ 1709/*****************************************************************************/
1707 1710
1708#define ALLOC(len) \ 1711#define ALLOC(len) \
1709 if (!req->ptr2) \ 1712 if (!req->ptr2) \
1710 { \ 1713 { \
1711 X_LOCK (wrklock); \ 1714 X_LOCK (EIO_POOL->wrklock); \
1712 req->flags |= EIO_FLAG_PTR2_FREE; \ 1715 req->flags |= EIO_FLAG_PTR2_FREE; \
1713 X_UNLOCK (wrklock); \ 1716 X_UNLOCK (EIO_POOL->wrklock); \
1714 req->ptr2 = malloc (len); \ 1717 req->ptr2 = malloc (len); \
1715 if (!req->ptr2) \ 1718 if (!req->ptr2) \
1716 { \ 1719 { \
1717 errno = ENOMEM; \ 1720 errno = ENOMEM; \
1718 req->result = -1; \ 1721 req->result = -1; \
… …
1723/*****************************************************************************/ 1726/*****************************************************************************/
1724 1727
1725int ecb_cold 1728int ecb_cold
1726eio_init (void (*want_poll)(void), void (*done_poll)(void)) 1729eio_init (void (*want_poll)(void), void (*done_poll)(void))
1727{ 1730{
1728 return etp_init (EIO_POOL, want_poll, done_poll); 1731 eio_want_poll_cb = want_poll;
1732 eio_done_poll_cb = done_poll;
1733
1734 return etp_init (EIO_POOL, 0, 0, 0);
1729} 1735}
1730 1736
1731ecb_inline void 1737ecb_inline void
1732eio_api_destroy (eio_req *req) 1738eio_api_destroy (eio_req *req)
1733{ 1739{
… …
1806 ? pread (req->int1, req->ptr2, req->size, req->offs) 1812 ? pread (req->int1, req->ptr2, req->size, req->offs)
1807 : read (req->int1, req->ptr2, req->size); break; 1813 : read (req->int1, req->ptr2, req->size); break;
1808 case EIO_WRITE: req->result = req->offs >= 0 1814 case EIO_WRITE: req->result = req->offs >= 0
1809 ? pwrite (req->int1, req->ptr2, req->size, req->offs) 1815 ? pwrite (req->int1, req->ptr2, req->size, req->offs)
1810 : write (req->int1, req->ptr2, req->size); break; 1816 : write (req->int1, req->ptr2, req->size); break;
1817
1818 case EIO_FCNTL: req->result = fcntl (req->int1, (int) req->int2, req->ptr2); break;
1819 case EIO_IOCTL: req->result = ioctl (req->int1, (unsigned long)req->int2, req->ptr2); break;
1811 1820
1812 case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; 1821 case EIO_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;
1813 case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size); break; 1822 case EIO_SENDFILE: req->result = eio__sendfile (req->int1, req->int2, req->offs, req->size); break;
1814 1823
1815#if HAVE_AT 1824#if HAVE_AT
… …
2076eio_req *eio_write (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data) 2085eio_req *eio_write (int fd, void *buf, size_t length, off_t offset, int pri, eio_cb cb, void *data)
2077{ 2086{
2078 REQ (EIO_WRITE); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = buf; SEND; 2087 REQ (EIO_WRITE); req->int1 = fd; req->offs = offset; req->size = length; req->ptr2 = buf; SEND;
2079} 2088}
2080 2089
2090eio_req *eio_fcntl (int fd, int cmd, void *arg, int pri, eio_cb cb, void *data)
2091{
2092 REQ (EIO_IOCTL); req->int1 = fd; req->int2 = cmd; req->ptr2 = arg; SEND;
2093}
2094
2095eio_req *eio_ioctl (int fd, unsigned long request, void *buf, int pri, eio_cb cb, void *data)
2096{
2097 REQ (EIO_IOCTL); req->int1 = fd; req->int2 = request; req->ptr2 = buf; SEND;
2098}
2099
2081eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data) 2100eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data)
2082{ 2101{
2083 REQ (EIO_FSTAT); req->int1 = fd; SEND; 2102 REQ (EIO_FSTAT); req->int1 = fd; SEND;
2084} 2103}
2085 2104

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