JM プロジェクトは、主に Linux 関連のマニュアルページの日本語ページを翻訳・公開しています。
... れた。 EINVAL offset was less than 0, or len was less than or equal to 0, or the underlying filesystem does not support the operation. ENODEV fd が通常のファイルとして参照されていない。 ENOSPC fd が参照するファイルを含むデバイスに十分な空き領域がない。 EOP ... NOTSUPP The filesystem containing the file referred to by fd does not support this operation. This error code can be returned by C libraries that don't perform the emulation shown in NOTES, such as musl libc. ESPIPE ... ing the fallocate (2) system call, which is MT-safe. If the underlying filesystem does not support fallocate (2), then the operation is emulated with the following caveats: * The emulation is inefficient. * There is a race condition where concurrent write ... ... s , pcnet_cs , smc91c92_cs , xirc2ps_cs である。他のドライバに対して用いると、 ifport はいい加減なドライバ設定を返すか、 「Operation not supported」というレポートを返す。 返り値 ioctl: Operation not supported このネットワークデバイスがマニュアルのトランシ ... ... 。 msg_rtime 最後の msgrcv (2) システムコールの時刻。 msg_ctime Time of creation of queue or time of last msgctl () IPC_SET operation. msg_cbytes Number of bytes in all messages currently on the message queue. This is a nonstandard Linux extension that is ... re as for MSG_STAT . However, msg_perm.mode is not checked for read access for msqid meaning that any user can employ this operation (just as any user may read /proc/sysvipc/msg to obtain the same information). 返り値 On success, IPC_STAT , IPC_SET , and ... IPC_RMID return 0. A successful IPC_INFO or MSG_INFO operation returns the index of the highest used entry in the kernel's internal array recording information about all message queues. ... ... ープン済の oldpath に対するファイルディスクリプターにも影響はない。 Various restrictions determine whether or not the rename operation succeeds: see ERRORS below. If newpath already exists, it will be atomically replaced, so that there is no point at which ... ystems was added in Linux 4.9, including ext2, minix, reiserfs, jfs, vfat, and bpf. RENAME_WHITEOUT (Linux 3.18 以降) This operation makes sense only for overlay/union filesystem implementations. Specifying RENAME_WHITEOUT creates a "whiteout" object at t ... he source of the rename at the same time as performing the rename. The whole operation is atomic, so that if the rename succeeds then the whiteout will also have been created. A "whiteout" is an object that ha ... ... ープン済の oldpath に対するファイルディスクリプターにも影響はない。 Various restrictions determine whether or not the rename operation succeeds: see ERRORS below. If newpath already exists, it will be atomically replaced, so that there is no point at which ... ystems was added in Linux 4.9, including ext2, minix, reiserfs, jfs, vfat, and bpf. RENAME_WHITEOUT (Linux 3.18 以降) This operation makes sense only for overlay/union filesystem implementations. Specifying RENAME_WHITEOUT creates a "whiteout" object at t ... he source of the rename at the same time as performing the rename. The whole operation is atomic, so that if the rename succeeds then the whiteout will also have been created. A "whiteout" is an object that ha ... ... ープン済の oldpath に対するファイルディスクリプターにも影響はない。 Various restrictions determine whether or not the rename operation succeeds: see ERRORS below. If newpath already exists, it will be atomically replaced, so that there is no point at which ... ystems was added in Linux 4.9, including ext2, minix, reiserfs, jfs, vfat, and bpf. RENAME_WHITEOUT (Linux 3.18 以降) This operation makes sense only for overlay/union filesystem implementations. Specifying RENAME_WHITEOUT creates a "whiteout" object at t ... he source of the rename at the same time as performing the rename. The whole operation is atomic, so that if the rename succeeds then the whiteout will also have been created. A "whiteout" is an object that ha ... ... ンされたファイルにアドバイザリロック (advisory lock) の適用 や解除を行う。 ファイルは fd で指定する。引数 operation には以下のいずれか一つを指定する: LOCK_SH 共有ロックを適用する。 指定したファイルに対して、 一つ以上のプロセスが同時に共有 ... 保持されていると、 flock () は停止 (block) されることがある。 非停止 (nonblocking) タイプの要求を行うためには、 上記の操作 (operation) に LOCK_NB を論理和の形で指定する。 一つのファイルに共有ロックと排他ロックを同時に設定することはできない。 flock () によっ ... ... below. The distinction between these two groups of flags is that the file creation flags affect the semantics of the open operation itself, while the file status flags affect the semantics of subsequent I/O operations. The file status flags can be retrie ... file offset is positioned at the end of the file, as if with lseek (2). The modification of the file offset and the write operation are performed as a single atomic step. O_APPEND may lead to corrupted files on NFS filesystems if more than one process ap ... に対する以後のすべての操作も呼び出したプロセスを待たせることはない。 Note that the setting of this flag has no effect on the operation of poll (2), select (2), epoll (7), and similar, since those interfaces merely inform the caller about whether a file desc ... ... below. The distinction between these two groups of flags is that the file creation flags affect the semantics of the open operation itself, while the file status flags affect the semantics of subsequent I/O operations. The file status flags can be retrie ... file offset is positioned at the end of the file, as if with lseek (2). The modification of the file offset and the write operation are performed as a single atomic step. O_APPEND may lead to corrupted files on NFS filesystems if more than one process ap ... に対する以後のすべての操作も呼び出したプロセスを待たせることはない。 Note that the setting of this flag has no effect on the operation of poll (2), select (2), epoll (7), and similar, since those interfaces merely inform the caller about whether a file desc ... ... below. The distinction between these two groups of flags is that the file creation flags affect the semantics of the open operation itself, while the file status flags affect the semantics of subsequent I/O operations. The file status flags can be retrie ... file offset is positioned at the end of the file, as if with lseek (2). The modification of the file offset and the write operation are performed as a single atomic step. O_APPEND may lead to corrupted files on NFS filesystems if more than one process ap ... に対する以後のすべての操作も呼び出したプロセスを待たせることはない。 Note that the setting of this flag has no effect on the operation of poll (2), select (2), epoll (7), and similar, since those interfaces merely inform the caller about whether a file desc ... 日本語の文書やマニュアルを配布している個人/プロジェクトへのリンクです。