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/cvs/cvsroot/libeio/eio.c
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Comparing cvsroot/libeio/eio.c (file contents):
Revision 1.44 by root, Thu Nov 26 05:25:35 2009 UTC vs.
Revision 1.46 by root, Sat Jan 2 12:58:37 2010 UTC

80# include <utime.h> 80# include <utime.h>
81# include <signal.h> 81# include <signal.h>
82# include <dirent.h> 82# include <dirent.h>
83 83
84/* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */ 84/* POSIX_SOURCE is useless on bsd's, and XOPEN_SOURCE is unreliable there, too */
85# if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) 85# if __freebsd || defined __NetBSD__ || defined __OpenBSD__
86# define _DIRENT_HAVE_D_TYPE /* sigh */ 86# define _DIRENT_HAVE_D_TYPE /* sigh */
87# define D_INO(de) (de)->d_fileno 87# define D_INO(de) (de)->d_fileno
88# define D_NAMLEN(de) (de)->d_namlen 88# define D_NAMLEN(de) (de)->d_namlen
89# elif defined(__linux) || defined(d_ino) || _XOPEN_SOURCE >= 600 89# elif __linux || defined d_ino || _XOPEN_SOURCE >= 600
90# define D_INO(de) (de)->d_ino 90# define D_INO(de) (de)->d_ino
91# endif 91# endif
92 92
93#ifdef _D_EXACT_NAMLEN 93#ifdef _D_EXACT_NAMLEN
94# undef D_NAMLEN 94# undef D_NAMLEN
106#endif 106#endif
107 107
108#if HAVE_SENDFILE 108#if HAVE_SENDFILE
109# if __linux 109# if __linux
110# include <sys/sendfile.h> 110# include <sys/sendfile.h>
111# elif __freebsd 111# elif __freebsd || defined __APPLE__
112# include <sys/socket.h> 112# include <sys/socket.h>
113# include <sys/uio.h> 113# include <sys/uio.h>
114# elif __hpux 114# elif __hpux
115# include <sys/socket.h> 115# include <sys/socket.h>
116# elif __solaris /* not yet */ 116# elif __solaris
117# include <sys/sendfile.h> 117# include <sys/sendfile.h>
118# else 118# else
119# error sendfile support requested but not available 119# error sendfile support requested but not available
120# endif 120# endif
121#endif 121#endif
923 if (res < 0 && sbytes) 923 if (res < 0 && sbytes)
924 /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ 924 /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */
925 res = sbytes; 925 res = sbytes;
926 } 926 }
927 927
928# elif defined (__APPLE__)
929
930 {
931 off_t sbytes = count;
932 res = sendfile (ifd, ofd, offset, &sbytes, 0, 0);
933
934 if (res < 0 && errno == EAGAIN && sbytes)
935 res = sbytes;
936 }
937
928# elif __hpux 938# elif __hpux
929 res = sendfile (ofd, ifd, offset, count, 0, 0); 939 res = sendfile (ofd, ifd, offset, count, 0, 0);
930 940
931# elif __solaris 941# elif __solaris
932 { 942 {
943 if (res < 0 && sbytes) 953 if (res < 0 && sbytes)
944 res = sbytes; 954 res = sbytes;
945 } 955 }
946 956
947# endif 957# endif
958
959#elif defined (_WIN32)
960
961 /* does not work, just for documentation of what would need to be done */
962 {
963 HANDLE h = TO_SOCKET (ifd);
964 SetFilePointer (h, offset, 0, FILE_BEGIN);
965 res = TransmitFile (TO_SOCKET (ofd), h, count, 0, 0, 0, 0);
966 }
967
948#else 968#else
949 res = -1; 969 res = -1;
950 errno = ENOSYS; 970 errno = ENOSYS;
951#endif 971#endif
952 972
1371 1391
1372 if (!page) 1392 if (!page)
1373 page = sysconf (_SC_PAGESIZE); 1393 page = sysconf (_SC_PAGESIZE);
1374#endif 1394#endif
1375 1395
1396 /* round down to start of page, although this is probably useless */
1376 addr &= ~(page - 1); /* assume page size is always a power of two */ 1397 addr &= ~(page - 1); /* assume page size is always a power of two */
1377 1398
1378 if (addr < end) 1399 if (addr < end)
1379 if (flags) /* modify */ 1400 if (flags) /* modify */
1380 do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len); 1401 do { *((volatile sig_atomic_t *)addr) |= 0; } while ((addr += page) < len);

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