Upgrade libeio
This commit is contained in:
parent
422d3c93bc
commit
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2
deps/libeio/Changes
vendored
2
deps/libeio/Changes
vendored
@ -1,6 +1,7 @@
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Revision history for libeio
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Revision history for libeio
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TODO: maybe add mincore support? available on at least darwin, solaris, linux, freebsd
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TODO: maybe add mincore support? available on at least darwin, solaris, linux, freebsd
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TODO: openbsd requites stdint.h for intptr_t - why posix?
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1.0
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1.0
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- readdir: correctly handle malloc failures.
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- readdir: correctly handle malloc failures.
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@ -23,4 +24,5 @@ TODO: maybe add mincore support? available on at least darwin, solaris, linux, f
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error codes.
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error codes.
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- add OS-independent EIO_MT_* and EIO_MS_* flag enums.
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- add OS-independent EIO_MT_* and EIO_MS_* flag enums.
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- add eio_statvfs/eio_fstatvfs.
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- add eio_statvfs/eio_fstatvfs.
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- add eio_mlock/eio_mlockall and OS-independent MCL_* flag enums.
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103
deps/libeio/eio.c
vendored
103
deps/libeio/eio.c
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@ -55,7 +55,6 @@
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#include <limits.h>
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#include <limits.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <assert.h>
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#include <assert.h>
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#include <stdint.h>
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#ifndef EIO_FINISH
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#ifndef EIO_FINISH
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# define EIO_FINISH(req) ((req)->finish) && !EIO_CANCELLED (req) ? (req)->finish (req) : 0
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# define EIO_FINISH(req) ((req)->finish) && !EIO_CANCELLED (req) ? (req)->finish (req) : 0
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@ -77,12 +76,15 @@
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# include "config.h"
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# include "config.h"
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# include <sys/time.h>
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# include <sys/time.h>
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# include <sys/select.h>
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# include <sys/select.h>
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# include <sys/mman.h>
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# include <unistd.h>
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# include <unistd.h>
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# include <utime.h>
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# include <utime.h>
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# include <signal.h>
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# include <signal.h>
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# include <dirent.h>
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# include <dirent.h>
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#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES
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# include <sys/mman.h>
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#endif
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/* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */
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/* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */
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# if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__
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# if __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__
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# define _DIRENT_HAVE_D_TYPE /* sigh */
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# define _DIRENT_HAVE_D_TYPE /* sigh */
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@ -1395,6 +1397,69 @@ eio__scandir (eio_req *req, etp_worker *self)
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}
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}
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}
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}
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#ifdef PAGESIZE
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# define eio_pagesize() PAGESIZE
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#else
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static intptr_t
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eio_pagesize (void)
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{
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static intptr_t page;
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if (!page)
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page = sysconf (_SC_PAGESIZE);
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return page;
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}
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#endif
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static void
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eio_page_align (void **addr, size_t *length)
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{
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intptr_t mask = eio_pagesize () - 1;
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/* round down addr */
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intptr_t adj = mask & (intptr_t)*addr;
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*addr = (void *)((intptr_t)*addr - adj);
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*length += adj;
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/* round up length */
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*length = (*length + mask) & ~mask;
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}
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#if !_POSIX_MEMLOCK
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# define eio__mlock(a,b) ((errno = ENOSYS), -1)
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# define eio__mlockall(a) ((errno = ENOSYS), -1)
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#else
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static int
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eio__mlock (void *addr, size_t length)
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{
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eio_page_align (&addr, &length);
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return mlock (addr, length);
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}
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static int
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eio__mlockall (int flags)
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{
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#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
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extern int mallopt (int, int);
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mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
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#endif
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if (EIO_MCL_CURRENT != MCL_CURRENT
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|| EIO_MCL_FUTURE != MCL_FUTURE)
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{
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flags = 0
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| (flags & EIO_MCL_CURRENT ? MCL_CURRENT : 0)
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| (flags & EIO_MCL_FUTURE ? MCL_FUTURE : 0);
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}
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return mlockall (flags);
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}
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#endif
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#if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO)
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#if !(_POSIX_MAPPED_FILES && _POSIX_SYNCHRONIZED_IO)
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# define eio__msync(a,b,c) ((errno = ENOSYS), -1)
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# define eio__msync(a,b,c) ((errno = ENOSYS), -1)
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#else
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#else
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@ -1402,6 +1467,8 @@ eio__scandir (eio_req *req, etp_worker *self)
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int
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int
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eio__msync (void *mem, size_t len, int flags)
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eio__msync (void *mem, size_t len, int flags)
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{
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{
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eio_page_align (&mem, &len);
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if (EIO_MS_ASYNC != MS_SYNC
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if (EIO_MS_ASYNC != MS_SYNC
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|| EIO_MS_INVALIDATE != MS_INVALIDATE
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|| EIO_MS_INVALIDATE != MS_INVALIDATE
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|| EIO_MS_SYNC != MS_SYNC)
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|| EIO_MS_SYNC != MS_SYNC)
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@ -1420,25 +1487,19 @@ eio__msync (void *mem, size_t len, int flags)
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int
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int
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eio__mtouch (void *mem, size_t len, int flags)
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eio__mtouch (void *mem, size_t len, int flags)
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{
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{
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eio_page_align (&mem, &len);
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{
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intptr_t addr = (intptr_t)mem;
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intptr_t addr = (intptr_t)mem;
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intptr_t end = addr + len;
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intptr_t end = addr + len;
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#ifdef PAGESIZE
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intptr_t page = eio_pagesize ();
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const intptr_t page = PAGESIZE;
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#else
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static intptr_t page;
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if (!page)
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page = sysconf (_SC_PAGESIZE);
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#endif
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/* round down to start of page, although this is probably useless */
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addr &= ~(page - 1); /* assume page size is always a power of two */
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if (addr < end)
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if (addr < end)
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if (flags & EIO_MT_MODIFY) /* modify */
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if (flags & EIO_MT_MODIFY) /* modify */
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do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len);
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do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len);
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else
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else
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do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len);
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do { *((volatile sig_atomic_t *)addr) ; } while ((addr += page) < len);
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}
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return 0;
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return 0;
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}
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}
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@ -1624,19 +1685,21 @@ static void eio_execute (etp_worker *self, eio_req *req)
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case EIO_FDATASYNC: req->result = fdatasync (req->int1); break;
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case EIO_FDATASYNC: req->result = fdatasync (req->int1); break;
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case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break;
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case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break;
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case EIO_MTOUCH: req->result = eio__mtouch (req->ptr2, req->size, req->int1); break;
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case EIO_MTOUCH: req->result = eio__mtouch (req->ptr2, req->size, req->int1); break;
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case EIO_MLOCK: req->result = eio__mlock (req->ptr2, req->size); break;
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case EIO_MLOCKALL: req->result = eio__mlockall (req->int1); break;
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case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break;
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case EIO_SYNC_FILE_RANGE: req->result = eio__sync_file_range (req->int1, req->offs, req->size, req->int2); break;
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case EIO_READDIR: eio__scandir (req, self); break;
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case EIO_READDIR: eio__scandir (req, self); break;
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case EIO_BUSY:
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case EIO_BUSY:
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#ifdef _WIN32
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#ifdef _WIN32
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Sleep (req->nv1 * 1000.);
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Sleep (req->nv1 * 1e3);
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#else
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#else
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{
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{
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struct timeval tv;
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struct timeval tv;
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tv.tv_sec = req->nv1;
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tv.tv_sec = req->nv1;
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tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.;
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tv.tv_usec = (req->nv1 - tv.tv_sec) * 1e6;
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req->result = select (0, 0, 0, 0, &tv);
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req->result = select (0, 0, 0, 0, &tv);
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}
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}
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@ -1719,6 +1782,16 @@ eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, v
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REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND;
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REQ (EIO_MTOUCH); req->ptr2 = addr; req->size = length; req->int1 = flags; SEND;
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}
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}
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eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data)
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{
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REQ (EIO_MLOCK); req->ptr2 = addr; req->size = length; SEND;
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}
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eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data)
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{
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REQ (EIO_MLOCKALL); req->int1 = flags; SEND;
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}
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eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data)
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eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data)
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{
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{
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REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND;
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REQ (EIO_SYNC_FILE_RANGE); req->int1 = fd; req->offs = offset; req->size = nbytes; req->int2 = flags; SEND;
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52
deps/libeio/eio.h
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52
deps/libeio/eio.h
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@ -67,7 +67,8 @@ typedef int (*eio_cb)(eio_req *req);
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/* for readdir */
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/* for readdir */
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/* eio_readdir flags */
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/* eio_readdir flags */
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enum {
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enum
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{
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EIO_READDIR_DENTS = 0x01, /* ptr2 contains eio_dirents, not just the (unsorted) names */
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EIO_READDIR_DENTS = 0x01, /* ptr2 contains eio_dirents, not just the (unsorted) names */
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EIO_READDIR_DIRS_FIRST = 0x02, /* dirents gets sorted into a good stat() ing order to find directories first */
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EIO_READDIR_DIRS_FIRST = 0x02, /* dirents gets sorted into a good stat() ing order to find directories first */
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EIO_READDIR_STAT_ORDER = 0x04, /* dirents gets sorted into a good stat() ing order to quickly stat all files */
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EIO_READDIR_STAT_ORDER = 0x04, /* dirents gets sorted into a good stat() ing order to quickly stat all files */
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@ -78,7 +79,8 @@ enum {
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};
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};
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/* using "typical" values in the hope that the compiler will do something sensible */
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/* using "typical" values in the hope that the compiler will do something sensible */
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enum eio_dtype {
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enum eio_dtype
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{
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EIO_DT_UNKNOWN = 0,
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EIO_DT_UNKNOWN = 0,
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EIO_DT_FIFO = 1,
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EIO_DT_FIFO = 1,
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EIO_DT_CHR = 2,
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EIO_DT_CHR = 2,
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@ -98,7 +100,8 @@ enum eio_dtype {
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EIO_DT_MAX = 15 /* highest DT_VALUE ever, hopefully */
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EIO_DT_MAX = 15 /* highest DT_VALUE ever, hopefully */
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};
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};
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struct eio_dirent {
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struct eio_dirent
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{
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int nameofs; /* offset of null-terminated name string in (char *)req->ptr2 */
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int nameofs; /* offset of null-terminated name string in (char *)req->ptr2 */
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unsigned short namelen; /* size of filename without trailing 0 */
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unsigned short namelen; /* size of filename without trailing 0 */
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unsigned char type; /* one of EIO_DT_* */
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unsigned char type; /* one of EIO_DT_* */
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@ -107,7 +110,8 @@ struct eio_dirent {
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};
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};
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/* eio_msync flags */
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/* eio_msync flags */
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enum {
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enum
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{
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EIO_MS_ASYNC = 1,
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EIO_MS_ASYNC = 1,
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EIO_MS_INVALIDATE = 2,
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EIO_MS_INVALIDATE = 2,
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EIO_MS_SYNC = 4
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EIO_MS_SYNC = 4
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@ -115,13 +119,15 @@ enum {
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/* eio_mtouch flags */
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/* eio_mtouch flags */
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enum {
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enum
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{
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EIO_MT_MODIFY = 1
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EIO_MT_MODIFY = 1
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};
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};
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/* eio_sync_file_range flags */
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/* eio_sync_file_range flags */
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enum {
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enum
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{
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EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1,
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EIO_SYNC_FILE_RANGE_WAIT_BEFORE = 1,
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EIO_SYNC_FILE_RANGE_WRITE = 2,
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EIO_SYNC_FILE_RANGE_WRITE = 2,
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EIO_SYNC_FILE_RANGE_WAIT_AFTER = 4
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EIO_SYNC_FILE_RANGE_WAIT_AFTER = 4
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@ -131,7 +137,8 @@ typedef double eio_tstamp; /* feel free to use double in your code directly */
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/* the eio request structure */
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/* the eio request structure */
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enum {
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enum
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{
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EIO_CUSTOM,
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EIO_CUSTOM,
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EIO_OPEN, EIO_CLOSE, EIO_DUP2,
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EIO_OPEN, EIO_CLOSE, EIO_DUP2,
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EIO_READ, EIO_WRITE,
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EIO_READ, EIO_WRITE,
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@ -144,6 +151,7 @@ enum {
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EIO_CHOWN, EIO_FCHOWN,
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EIO_CHOWN, EIO_FCHOWN,
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EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC,
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EIO_SYNC, EIO_FSYNC, EIO_FDATASYNC,
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EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE,
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EIO_MSYNC, EIO_MTOUCH, EIO_SYNC_FILE_RANGE,
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EIO_MLOCK, EIO_MLOCKALL,
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EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME,
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EIO_UNLINK, EIO_RMDIR, EIO_MKDIR, EIO_RENAME,
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EIO_MKNOD, EIO_READDIR,
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EIO_MKNOD, EIO_READDIR,
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EIO_LINK, EIO_SYMLINK, EIO_READLINK,
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EIO_LINK, EIO_SYMLINK, EIO_READLINK,
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@ -151,6 +159,21 @@ enum {
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EIO_BUSY
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EIO_BUSY
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};
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};
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/* mlockall constants */
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enum
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{
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EIO_MCL_CURRENT = 1,
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EIO_MCL_FUTURE = 2,
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};
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/* request priorities */
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enum {
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EIO_PRI_MIN = -4,
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EIO_PRI_MAX = 4,
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EIO_PRI_DEFAULT = 0
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};
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/* eio request structure */
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/* eio request structure */
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/* this structure is mostly read-only */
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/* this structure is mostly read-only */
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/* when initialising it, all members must be zero-initialised */
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/* when initialising it, all members must be zero-initialised */
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@ -160,14 +183,14 @@ struct eio_req
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ssize_t result; /* result of syscall, e.g. result = read (... */
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ssize_t result; /* result of syscall, e.g. result = read (... */
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off_t offs; /* read, write, truncate, readahead, sync_file_range: file offset */
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off_t offs; /* read, write, truncate, readahead, sync_file_range: file offset */
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size_t size; /* read, write, readahead, sendfile, msync, sync_file_range: length */
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size_t size; /* read, write, readahead, sendfile, msync, mlock, sync_file_range: length */
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void *ptr1; /* all applicable requests: pathname, old name; readdir: optional eio_dirents */
|
void *ptr1; /* all applicable requests: pathname, old name; readdir: optional eio_dirents */
|
||||||
void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */
|
void *ptr2; /* all applicable requests: new name or memory buffer; readdir: name strings */
|
||||||
eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */
|
eio_tstamp nv1; /* utime, futime: atime; busy: sleep time */
|
||||||
eio_tstamp nv2; /* utime, futime: mtime */
|
eio_tstamp nv2; /* utime, futime: mtime */
|
||||||
|
|
||||||
int type; /* EIO_xxx constant ETP */
|
int type; /* EIO_xxx constant ETP */
|
||||||
int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, readdir: flags */
|
int int1; /* all applicable requests: file descriptor; sendfile: output fd; open, msync, mlockall, readdir: flags */
|
||||||
long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, sync_file_range: flags */
|
long int2; /* chown, fchown: uid; sendfile: input fd; open, chmod, mkdir, mknod: file mode, sync_file_range: flags */
|
||||||
long int3; /* chown, fchown: gid; mknod: dev_t */
|
long int3; /* chown, fchown: gid; mknod: dev_t */
|
||||||
int errorno; /* errno value on syscall return */
|
int errorno; /* errno value on syscall return */
|
||||||
@ -185,7 +208,7 @@ struct eio_req
|
|||||||
eio_req *grp, *grp_prev, *grp_next, *grp_first; /* private */
|
eio_req *grp, *grp_prev, *grp_next, *grp_first; /* private */
|
||||||
};
|
};
|
||||||
|
|
||||||
/* _private_ flags */
|
/* _private_ request flags */
|
||||||
enum {
|
enum {
|
||||||
EIO_FLAG_CANCELLED = 0x01, /* request was cancelled */
|
EIO_FLAG_CANCELLED = 0x01, /* request was cancelled */
|
||||||
EIO_FLAG_PTR1_FREE = 0x02, /* need to free(ptr1) */
|
EIO_FLAG_PTR1_FREE = 0x02, /* need to free(ptr1) */
|
||||||
@ -193,11 +216,8 @@ enum {
|
|||||||
EIO_FLAG_GROUPADD = 0x08 /* some request was added to the group */
|
EIO_FLAG_GROUPADD = 0x08 /* some request was added to the group */
|
||||||
};
|
};
|
||||||
|
|
||||||
enum {
|
/* undocumented/unsupported/private helper */
|
||||||
EIO_PRI_MIN = -4,
|
/*void eio_page_align (void **addr, size_t *length);*/
|
||||||
EIO_PRI_MAX = 4,
|
|
||||||
EIO_PRI_DEFAULT = 0,
|
|
||||||
};
|
|
||||||
|
|
||||||
/* returns < 0 on error, errno set
|
/* returns < 0 on error, errno set
|
||||||
* need_poll, if non-zero, will be called when results are available
|
* need_poll, if non-zero, will be called when results are available
|
||||||
@ -238,6 +258,8 @@ eio_req *eio_fsync (int fd, int pri, eio_cb cb, void *data);
|
|||||||
eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data);
|
eio_req *eio_fdatasync (int fd, int pri, eio_cb cb, void *data);
|
||||||
eio_req *eio_msync (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data);
|
eio_req *eio_msync (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data);
|
||||||
eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data);
|
eio_req *eio_mtouch (void *addr, size_t length, int flags, int pri, eio_cb cb, void *data);
|
||||||
|
eio_req *eio_mlock (void *addr, size_t length, int pri, eio_cb cb, void *data);
|
||||||
|
eio_req *eio_mlockall (int flags, int pri, eio_cb cb, void *data);
|
||||||
eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data);
|
eio_req *eio_sync_file_range (int fd, off_t offset, size_t nbytes, unsigned int flags, int pri, eio_cb cb, void *data);
|
||||||
eio_req *eio_close (int fd, int pri, eio_cb cb, void *data);
|
eio_req *eio_close (int fd, int pri, eio_cb cb, void *data);
|
||||||
eio_req *eio_readahead (int fd, off_t offset, size_t length, int pri, eio_cb cb, void *data);
|
eio_req *eio_readahead (int fd, off_t offset, size_t length, int pri, eio_cb cb, void *data);
|
||||||
|
Loading…
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Reference in New Issue
Block a user