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49 | #include <stdlib.h> |
49 | #include <stdlib.h> |
50 | #include <string.h> |
50 | #include <string.h> |
51 | #include <errno.h> |
51 | #include <errno.h> |
52 | #include <sys/types.h> |
52 | #include <sys/types.h> |
53 | #include <sys/stat.h> |
53 | #include <sys/stat.h> |
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|
54 | #include <sys/statvfs.h> |
54 | #include <limits.h> |
55 | #include <limits.h> |
55 | #include <fcntl.h> |
56 | #include <fcntl.h> |
56 | #include <assert.h> |
57 | #include <assert.h> |
57 | |
58 | |
58 | #ifndef EIO_FINISH |
59 | #ifndef EIO_FINISH |
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136 | /* used for struct dirent, AIX doesn't provide it */ |
137 | /* used for struct dirent, AIX doesn't provide it */ |
137 | #ifndef NAME_MAX |
138 | #ifndef NAME_MAX |
138 | # define NAME_MAX 4096 |
139 | # define NAME_MAX 4096 |
139 | #endif |
140 | #endif |
140 | |
141 | |
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142 | /* used for readlink etc. */ |
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143 | #ifndef PATH_MAX |
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|
144 | # define PATH_MAX 4096 |
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145 | #endif |
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146 | |
141 | /* buffer size for various temporary buffers */ |
147 | /* buffer size for various temporary buffers */ |
142 | #define EIO_BUFSIZE 65536 |
148 | #define EIO_BUFSIZE 65536 |
143 | |
149 | |
144 | #define dBUF \ |
150 | #define dBUF \ |
145 | char *eio_buf; \ |
151 | char *eio_buf; \ |
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918 | */ |
924 | */ |
919 | { |
925 | { |
920 | off_t sbytes; |
926 | off_t sbytes; |
921 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
927 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
922 | |
928 | |
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929 | #if 0 /* according to the manpage, this is correct, but broken behaviour */ |
923 | /* freebsd' sendfile will return 0 when success */ |
930 | /* freebsd' sendfile will return 0 on success */ |
924 | if (res == 0 && sbytes) |
931 | /* freebsd 8 documents it as only setting *sbytes on EINTR and EAGAIN, but */ |
925 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
932 | /* not on e.g. EIO or EPIPE - sounds broken */ |
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|
933 | if ((res < 0 && (errno == EAGAIN || errno == EINTR) && sbytes) || res == 0) |
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|
934 | res = sbytes; |
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|
935 | #endif |
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936 | |
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937 | /* according to source inspection, this is correct, and useful behaviour */ |
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938 | if (sbytes) |
926 | res = sbytes; |
939 | res = sbytes; |
927 | } |
940 | } |
928 | |
941 | |
929 | # elif defined (__APPLE__) |
942 | # elif defined (__APPLE__) |
930 | |
943 | |
931 | { |
944 | { |
932 | off_t sbytes = count; |
945 | off_t sbytes = count; |
933 | res = sendfile (ifd, ofd, offset, &sbytes, 0, 0); |
946 | res = sendfile (ifd, ofd, offset, &sbytes, 0, 0); |
934 | |
947 | |
935 | if (res == 0 && errno == EAGAIN && sbytes) |
948 | /* according to the manpage, sbytes is always valid */ |
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|
949 | if (sbytes) |
936 | res = sbytes; |
950 | res = sbytes; |
937 | } |
951 | } |
938 | |
952 | |
939 | # elif __hpux |
953 | # elif __hpux |
940 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
954 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
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1576 | case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1590 | case EIO_LSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1577 | req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1591 | req->result = lstat (req->ptr1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1578 | case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1592 | case EIO_FSTAT: ALLOC (sizeof (EIO_STRUCT_STAT)); |
1579 | req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1593 | req->result = fstat (req->int1, (EIO_STRUCT_STAT *)req->ptr2); break; |
1580 | |
1594 | |
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|
1595 | case EIO_STATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS)); |
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|
1596 | req->result = statvfs (req->ptr1, (EIO_STRUCT_STATVFS *)req->ptr2); break; |
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|
1597 | case EIO_FSTATVFS: ALLOC (sizeof (EIO_STRUCT_STATVFS)); |
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|
1598 | req->result = fstatvfs (req->int1, (EIO_STRUCT_STATVFS *)req->ptr2); break; |
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1599 | |
1581 | case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
1600 | case EIO_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
1582 | case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
1601 | case EIO_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
1583 | case EIO_CHMOD: req->result = chmod (req->ptr1, (mode_t)req->int2); break; |
1602 | case EIO_CHMOD: req->result = chmod (req->ptr1, (mode_t)req->int2); break; |
1584 | case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break; |
1603 | case EIO_FCHMOD: req->result = fchmod (req->int1, (mode_t)req->int2); break; |
1585 | case EIO_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
1604 | case EIO_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
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1594 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
1613 | case EIO_RENAME: req->result = rename (req->ptr1, req->ptr2); break; |
1595 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
1614 | case EIO_LINK: req->result = link (req->ptr1, req->ptr2); break; |
1596 | case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; |
1615 | case EIO_SYMLINK: req->result = symlink (req->ptr1, req->ptr2); break; |
1597 | case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->int3); break; |
1616 | case EIO_MKNOD: req->result = mknod (req->ptr1, (mode_t)req->int2, (dev_t)req->int3); break; |
1598 | |
1617 | |
1599 | case EIO_READLINK: ALLOC (NAME_MAX); |
1618 | case EIO_READLINK: ALLOC (PATH_MAX); |
1600 | req->result = readlink (req->ptr1, req->ptr2, NAME_MAX); break; |
1619 | req->result = readlink (req->ptr1, req->ptr2, PATH_MAX); break; |
1601 | |
1620 | |
1602 | case EIO_SYNC: req->result = 0; sync (); break; |
1621 | case EIO_SYNC: req->result = 0; sync (); break; |
1603 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
1622 | case EIO_FSYNC: req->result = fsync (req->int1); break; |
1604 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
1623 | case EIO_FDATASYNC: req->result = fdatasync (req->int1); break; |
1605 | case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break; |
1624 | case EIO_MSYNC: req->result = eio__msync (req->ptr2, req->size, req->int1); break; |
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1732 | eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data) |
1751 | eio_req *eio_fstat (int fd, int pri, eio_cb cb, void *data) |
1733 | { |
1752 | { |
1734 | REQ (EIO_FSTAT); req->int1 = fd; SEND; |
1753 | REQ (EIO_FSTAT); req->int1 = fd; SEND; |
1735 | } |
1754 | } |
1736 | |
1755 | |
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1756 | eio_req *eio_fstatvfs (int fd, int pri, eio_cb cb, void *data) |
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1757 | { |
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1758 | REQ (EIO_FSTATVFS); req->int1 = fd; SEND; |
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1759 | } |
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1760 | |
1737 | eio_req *eio_futime (int fd, double atime, double mtime, int pri, eio_cb cb, void *data) |
1761 | eio_req *eio_futime (int fd, double atime, double mtime, int pri, eio_cb cb, void *data) |
1738 | { |
1762 | { |
1739 | REQ (EIO_FUTIME); req->int1 = fd; req->nv1 = atime; req->nv2 = mtime; SEND; |
1763 | REQ (EIO_FUTIME); req->int1 = fd; req->nv1 = atime; req->nv2 = mtime; SEND; |
1740 | } |
1764 | } |
1741 | |
1765 | |
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1811 | } |
1835 | } |
1812 | |
1836 | |
1813 | eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data) |
1837 | eio_req *eio_lstat (const char *path, int pri, eio_cb cb, void *data) |
1814 | { |
1838 | { |
1815 | return eio__1path (EIO_LSTAT, path, pri, cb, data); |
1839 | return eio__1path (EIO_LSTAT, path, pri, cb, data); |
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1840 | } |
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1841 | |
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1842 | eio_req *eio_statvfs (const char *path, int pri, eio_cb cb, void *data) |
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|
1843 | { |
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|
1844 | return eio__1path (EIO_STATVFS, path, pri, cb, data); |
1816 | } |
1845 | } |
1817 | |
1846 | |
1818 | eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data) |
1847 | eio_req *eio_unlink (const char *path, int pri, eio_cb cb, void *data) |
1819 | { |
1848 | { |
1820 | return eio__1path (EIO_UNLINK, path, pri, cb, data); |
1849 | return eio__1path (EIO_UNLINK, path, pri, cb, data); |