[ViewVC] Diff of: cvs/libeio/eio.pod

Comparing libeio/eio.pod (file contents):
Revision 1.20 by sf-exg, Thu Jul 7 17:35:52 2011 UTC vs.
Revision 1.22 by root, Fri Jul 8 01:12:39 2011 UTC

       free (target);
     }
 =item eio_realpath  (const char *path, int pri, eio_cb cb, void *data)
-Similar to the realpath libc function, but unlike that one, result is
+Similar to the realpath libc function, but unlike that one, C<<
-C<-1> on failure and the length of the returned path in C<ptr2> (which is
+req->result >> is C<-1> on failure. On success, the result is the length
-not 0-terminated) - this is similar to readlink.
+of the returned path in C<ptr2> (which is I<NOT> 0-terminated) - this is
+similar to readlink.
 =item eio_stat      (const char *path, int pri, eio_cb cb, void *data)
 =item eio_lstat     (const char *path, int pri, eio_cb cb, void *data)
 as calling C<fdatasync>.
 Flags can be any combination of C<EIO_SYNC_FILE_RANGE_WAIT_BEFORE>,
 C<EIO_SYNC_FILE_RANGE_WRITE> and C<EIO_SYNC_FILE_RANGE_WAIT_AFTER>.
+=item eio_fallocate (int fd, int mode, off_t offset, off_t len, int pri, eio_cb cb, void *data)
+Calls C<fallocate> (note: I<NOT> C<posix_fallocate>!). If the syscall is
+missing, then it returns failure and sets C<errno> to C<ENOSYS>.
+The C<mode> argument can be C<0> (for behaviour similar to
+C<posix_fallocate>), or C<EIO_FALLOC_FL_KEEP_SIZE>, which keeps the size
+of the file unchanged (but still preallocates space beyond end of file).
 =back
 =head3 LIBEIO-SPECIFIC REQUESTS
 These requests are specific to libeio and do not correspond to any OS call.

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