forked from Imagelibrary/rtems
6449498bc7
* SUPPORT, LICENSE: New files. * Numerous files touched as part of merging the 4.5 branch onto the mainline development trunk and ensuring that the script that cuts snapshots and releases works on the documentation.
176 lines
3.6 KiB
Perl
176 lines
3.6 KiB
Perl
@c
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@c COPYRIGHT (c) 1988-2002.
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@c On-Line Applications Research Corporation (OAR).
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@c All rights reserved.
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@c
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@c $Id$
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@c
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@chapter Input and Output Primitives
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@section Pipes
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@subsection Create an Inter-Process Channel
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@example
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pipe(), Function, Dummy Implementation
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@end example
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NOTE: pipe() returns ENOSYS.
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@section File Descriptor Manipulation
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@subsection Duplicate an Open File Descriptor
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@example
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dup(), Function, Implemented
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dup2(), Function, Implemented
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@end example
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@section File Descriptor Deassignment
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@subsection Close a File
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@example
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close(), Function, Implemented
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@end example
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@section Input and Output
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@subsection Read from a File
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@example
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read(), Function, Implemented
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@end example
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@subsection Write to a File
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@example
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write(), Function, Implemented
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@end example
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@section Control Operations on Files
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@subsection Data Definitions for File Control Operations
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@subsection File Control
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@example
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struct flock, Type, Implemented
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fcntl(), Function, Implemented
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F_DUPFD, Constant, Implemented
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F_GETFD, Constant, Implemented
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F_GETLK, Constant, Implemented
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F_SETFD, Constant, Implemented
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F_GETFL, Constant, Implemented
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F_SETFL, Constant, Implemented
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F_SETLK, Constant, Implemented
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F_SETLKW, Constant, Implemented
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FD_CLOEXEC, Constant, Implemented
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F_RDLCK, Constant, Implemented
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F_UNLCK, Constant, Implemented
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F_WRLCK, Constant, Implemented
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O_ACCMODE, Constant, Implemented
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@end example
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NOTE: A number of constants are used by both @code{open} and @code{fcntl}.
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@code{O_CREAT}, @code{O_EXCL}, @code{O_NOCTTY}, @code{O_TRUNC},
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@code{O_APPEND}, @code{O_DSYNC}, @code{O_NONBLOCK}, @code{O_RSYNC},
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@code{O_SYNC}, @code{O_RDONLY}, @code{O_RDWR}, and @code{O_WRONLY}
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are also included in another section. @xref{Open a File}.
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@subsection Reposition Read/Write File Offset
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@example
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lseek(), Function, Implemented
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SEEK_SET, Constant, Implemented
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SEEK_CUR, Constant, Implemented
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SEEK_END, Constant, Implemented
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@end example
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@section File Synchronization
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@subsection Synchronize the State of a File
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@example
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fsync(), Function, Implemented
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@end example
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@subsection Synchronize the Data of a File
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@example
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fdatasync(), Function, Implemented
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@end example
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@section Asynchronous Input and Output
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@subsection Data Definitions for Asynchronous Input and Output
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@subsubsection Asynchronous I/O Control Block
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@example
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struct aiocb, Type, Untested Implementation
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@end example
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@subsubsection Asynchronous I/O Manifest Constants
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@example
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AIO_CANCELED, Constant, Implemented
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AIO_NOTCANCELED, Constant, Implemented
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AIO_ALLDONE, Constant, Implemented
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LIO_WAIT, Constant, Implemented
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LIO_NOWAIT, Constant, Implemented
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LIO_READ, Constant, Implemented
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LIO_WRITE, Constant, Implemented
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LIO_NOP, Constant, Implemented
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@end example
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@subsection Asynchronous Read
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@example
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aio_read(), Function, Dummy Implementation
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@end example
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@subsection Asynchronous Write
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@example
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aio_write(), Function, Dummy Implementation
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@end example
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@subsection List Directed I/O
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@example
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lio_listio(), Function, Dummy Implementation
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@end example
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@subsection Retrieve Error Status of Asynchronous I/O Operation
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@example
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aio_error(), Function, Dummy Implementation
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@end example
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@subsection Retrieve Return Status of Asynchronous I/O Operation
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@example
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aio_return(), Function, Dummy Implementation
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@end example
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@subsection Cancel Asynchronous I/O Request
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@example
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aio_cancel(), Function, Dummy Implementation
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@end example
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@subsection Wait for Asynchronous I/O Request
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@example
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aio_suspend(), Function, Dummy Implementation
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@end example
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@subsection Asynchronous File Synchronization
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@example
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aio_fsync(), Function, Dummy Implementation
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@end example
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