Units
Translation components API.
See the Weblate's Web API documentation for detailed description of the API.
GET /api/translations/documentation/booksdesign-44bsd_index/el/units/?format=api&page=3
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"has_failing_check": false, "num_words": 1, "source_unit": "https://translate-dev.freebsd.org/api/units/1382678/?format=api", "priority": 100, "id": 1649905, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=0becf538078bc4e3", "url": "https://translate-dev.freebsd.org/api/units/1649905/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.102065Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "<<table-mach-indep>> summarizes the machine-independent software that constitutes the 4.4BSD kernel for the HP300. The numbers in column 2 are for lines of C source code, header files, and assembly language. Virtually all the software in the kernel is written in the C programming language; less than 2 percent is written in assembly language. 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Also, the startup code does not appear in one place in the kernel -- it is scattered throughout, and it usually appears in places logically associated with what is being initialized." ], "previous_source": "", "target": [ "" ], "id_hash": 8316801088825560398, "content_hash": 8316801088825560398, "location": "documentation/content/en/books/design-44bsd/_index.adoc:182", "context": "", "note": "type: Plain text", "flags": "", "labels": [], "state": 0, "fuzzy": false, "translated": false, "approved": false, "position": 120, "has_suggestion": false, "has_comment": false, "has_failing_check": false, "num_words": 124, "source_unit": "https://translate-dev.freebsd.org/api/units/1177666/?format=api", "priority": 100, "id": 1649907, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=f36b3686a7078d4e", "url": "https://translate-dev.freebsd.org/api/units/1649907/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.103353Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "Kernel Services" ], "previous_source": "", "target": [ "" ], "id_hash": 4764923629020516280, "content_hash": 4764923629020516280, "location": "documentation/content/en/books/design-44bsd/_index.adoc:184", "context": "", "note": "type: Title ===", "flags": "no-wrap", "labels": [], "state": 0, "fuzzy": false, "translated": false, "approved": false, "position": 121, "has_suggestion": false, "has_comment": false, "has_failing_check": false, "num_words": 2, "source_unit": "https://translate-dev.freebsd.org/api/units/385703/?format=api", "priority": 100, "id": 1649908, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=c22068cb81a20fb8", "url": "https://translate-dev.freebsd.org/api/units/1649908/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.104067Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "The boundary between the kernel- and user-level code is enforced by hardware-protection facilities provided by the underlying hardware. The kernel operates in a separate address space that is inaccessible to user processes. Privileged operations -- such as starting I/O and halting the central processing unit (CPU) -- are available to only the kernel. Applications request services from the kernel with _system calls_. System calls are used to cause the kernel to execute complicated operations, such as writing data to secondary storage, and simple operations, such as returning the current time of day. All system calls appear _synchronous_ to applications: The application does not run while the kernel does the actions associated with a system call. The kernel may finish some operations associated with a system call after it has returned. For example, a _write_ system call will copy the data to be written from the user process to a kernel buffer while the process waits, but will usually return from the system call before the kernel buffer is written to the disk." ], "previous_source": "", "target": [ "" ], "id_hash": 8067613668763138007, "content_hash": 8067613668763138007, "location": "documentation/content/en/books/design-44bsd/_index.adoc:194", "context": "", "note": "type: Plain text", "flags": "", "labels": [], "state": 0, "fuzzy": false, "translated": false, "approved": false, "position": 122, "has_suggestion": false, "has_comment": false, "has_failing_check": false, "num_words": 172, "source_unit": "https://translate-dev.freebsd.org/api/units/1177668/?format=api", "priority": 100, "id": 1649909, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=eff5ebe33fb677d7", "url": "https://translate-dev.freebsd.org/api/units/1649909/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.104701Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "A system call usually is implemented as a hardware trap that changes the CPU's execution mode and the current address-space mapping. Parameters supplied by users in system calls are validated by the kernel before being used. Such checking ensures the integrity of the system. All parameters passed into the kernel are copied into the kernel's address space, to ensure that validated parameters are not changed as a side effect of the system call. System-call results are returned by the kernel, either in hardware registers or by their values being copied to user-specified memory addresses. Like parameters passed into the kernel, addresses used for the return of results must be validated to ensure that they are part of an application's address space. If the kernel encounters an error while processing a system call, it returns an error code to the user. For the C programming language, this error code is stored in the global variable _errno_, and the function that executed the system call returns the value -1." ], "previous_source": "", "target": [ "" ], "id_hash": 6517101041467378982, "content_hash": 6517101041467378982, "location": "documentation/content/en/books/design-44bsd/_index.adoc:203", "context": "", "note": "type: Plain text", "flags": "", "labels": [], "state": 0, "fuzzy": false, "translated": false, "approved": false, "position": 123, "has_suggestion": false, "has_comment": false, "has_failing_check": false, "num_words": 167, "source_unit": "https://translate-dev.freebsd.org/api/units/1177670/?format=api", "priority": 100, "id": 1649910, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=da7164de3dfdcd26", "url": "https://translate-dev.freebsd.org/api/units/1649910/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.105510Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "User applications and the kernel operate independently of each other. 4.4BSD does not store I/O control blocks or other operating-system-related data structures in the application's address space. Each user-level application is provided an independent address space in which it executes. The kernel makes most state changes, such as suspending a process while another is running, invisible to the processes involved." ], "previous_source": "", "target": [ "" ], "id_hash": 7596196441809350847, "content_hash": 7596196441809350847, "location": "documentation/content/en/books/design-44bsd/_index.adoc:208", "context": "", "note": "type: Plain text", "flags": "", "labels": [], "state": 0, "fuzzy": false, "translated": false, "approved": false, "position": 124, "has_suggestion": false, "has_comment": false, "has_failing_check": false, "num_words": 60, "source_unit": "https://translate-dev.freebsd.org/api/units/1177672/?format=api", "priority": 100, "id": 1649911, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=e96b1c6ade21f0bf", "url": "https://translate-dev.freebsd.org/api/units/1649911/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.106257Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "Process Management" ], "previous_source": "", "target": [ "" ], "id_hash": -2322106472663569535, "content_hash": -2322106472663569535, "location": "documentation/content/en/books/design-44bsd/_index.adoc:210", "context": "", "note": "type: Title ===", "flags": "no-wrap", "labels": [], "state": 0, "fuzzy": false, "translated": false, "approved": false, "position": 125, "has_suggestion": false, "has_comment": false, "has_failing_check": false, "num_words": 2, "source_unit": "https://translate-dev.freebsd.org/api/units/385711/?format=api", "priority": 100, "id": 1649912, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=5fc638775640ab81", "url": "https://translate-dev.freebsd.org/api/units/1649912/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.106913Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "4.4BSD supports a multitasking environment. Each task or thread of execution is termed a _process_. The _context_ of a 4.4BSD process consists of user-level state, including the contents of its address space and the run-time environment, and kernel-level state, which includes scheduling parameters, resource controls, and identification information. The context includes everything used by the kernel in providing services for the process. Users can create processes, control the processes' execution, and receive notification when the processes' execution status changes. Every process is assigned a unique value, termed a _process identifier_ (PID). This value is used by the kernel to identify a process when reporting status changes to a user, and by a user when referencing a process in a system call." ], "previous_source": "", "target": [ "" ], "id_hash": -5820167997960030397, "content_hash": -5820167997960030397, "location": "documentation/content/en/books/design-44bsd/_index.adoc:219", "context": "", "note": "type: Plain text", "flags": "", "labels": [], "state": 0, "fuzzy": false, "translated": false, "approved": false, "position": 126, "has_suggestion": false, "has_comment": false, "has_failing_check": false, "num_words": 121, "source_unit": "https://translate-dev.freebsd.org/api/units/1177674/?format=api", "priority": 100, "id": 1649913, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=2f3a9c0adc7ef743", "url": "https://translate-dev.freebsd.org/api/units/1649913/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.155160Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "The kernel creates a process by duplicating the context of another process. The new process is termed a _child process_ of the original _parent process_ The context duplicated in process creation includes both the user-level execution state of the process and the process's system state managed by the kernel. 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A process may create a new process that is a copy of the original by using the _fork_ system call. The _fork_ call returns twice: once in the parent process, where the return value is the process identifier of the child, and once in the child process, where the return value is 0. The parent-child relationship induces a hierarchical structure on the set of processes in the system. The new process shares all its parent's resources, such as file descriptors, signal-handling status, and memory layout." ], "previous_source": "", "target": [ "" ], "id_hash": -2086953854432826946, "content_hash": -2086953854432826946, "location": "documentation/content/en/books/design-44bsd/_index.adoc:234", "context": "", "note": "type: Plain text", "flags": "", "labels": [], "state": 0, "fuzzy": false, "translated": false, "approved": false, "position": 130, "has_suggestion": false, "has_comment": false, "has_failing_check": false, "num_words": 92, "source_unit": "https://translate-dev.freebsd.org/api/units/1177678/?format=api", "priority": 100, "id": 1649917, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=6309a686cbe629be", "url": "https://translate-dev.freebsd.org/api/units/1649917/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.158704Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "Although there are occasions when the new process is intended to be a copy of the parent, the loading and execution of a different program is a more useful and typical action. A process can overlay itself with the memory image of another program, passing to the newly created image a set of parameters, using the system call _execve_. One parameter is the name of a file whose contents are in a format recognized by the system -- either a binary-executable file or a file that causes the execution of a specified interpreter program to process its contents." ], "previous_source": "", "target": [ "" ], "id_hash": 5779328759234417208, "content_hash": 5779328759234417208, "location": "documentation/content/en/books/design-44bsd/_index.adoc:238", "context": "", "note": "type: Plain text", "flags": "", "labels": [], "state": 0, "fuzzy": false, "translated": false, "approved": false, "position": 131, "has_suggestion": false, "has_comment": false, "has_failing_check": false, "num_words": 98, "source_unit": "https://translate-dev.freebsd.org/api/units/1177680/?format=api", "priority": 100, "id": 1649918, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=d0344ce2e65dd238", "url": "https://translate-dev.freebsd.org/api/units/1649918/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.159642Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "A process may terminate by executing an _exit_ system call, sending 8 bits of exit status to its parent. If a process wants to communicate more than a single byte of information with its parent, it must either set up an interprocess-communication channel using pipes or sockets, or use an intermediate file. Interprocess communication is discussed extensively in Chapter 11." ], "previous_source": "", "target": [ "" ], "id_hash": 7025104043464142836, "content_hash": 7025104043464142836, "location": "documentation/content/en/books/design-44bsd/_index.adoc:242", "context": "", "note": "type: Plain text", "flags": "", "labels": [], "state": 0, "fuzzy": false, "translated": false, "approved": false, "position": 132, "has_suggestion": false, "has_comment": false, "has_failing_check": false, "num_words": 60, "source_unit": "https://translate-dev.freebsd.org/api/units/1177682/?format=api", "priority": 100, "id": 1649919, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=e17e2ee82cd72ff4", "url": "https://translate-dev.freebsd.org/api/units/1649919/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.160544Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "A process can suspend execution until any of its child processes terminate using the _wait_ system call, which returns the PID and exit status of the terminated child process. A parent process can arrange to be notified by a signal when a child process exits or terminates abnormally. Using the _wait4_ system call, the parent can retrieve information about the event that caused termination of the child process and about resources consumed by the process during its lifetime. If a process is orphaned because its parent exits before it is finished, then the kernel arranges for the child's exit status to be passed back to a special system process _init_: see Sections 3.1 and 14.6)." ], "previous_source": "", "target": [ "" ], "id_hash": -1654997489636371526, "content_hash": -1654997489636371526, "location": "documentation/content/en/books/design-44bsd/_index.adoc:247", "context": "", "note": "type: Plain text", "flags": "", "labels": [], "state": 0, "fuzzy": false, "translated": false, "approved": false, "position": 133, "has_suggestion": false, "has_comment": false, "has_failing_check": false, "num_words": 115, "source_unit": "https://translate-dev.freebsd.org/api/units/1177684/?format=api", "priority": 100, "id": 1649920, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=6908448d3e0f93ba", "url": "https://translate-dev.freebsd.org/api/units/1649920/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.161388Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "The details of how the kernel creates and destroys processes are given in Chapter 5." ], "previous_source": "", "target": [ "" ], "id_hash": -8302403135023991859, "content_hash": -8302403135023991859, "location": "documentation/content/en/books/design-44bsd/_index.adoc:249", "context": "", "note": "type: Plain text", "flags": "", "labels": [], "state": 0, "fuzzy": false, "translated": false, "approved": false, "position": 134, "has_suggestion": false, "has_comment": false, "has_failing_check": false, "num_words": 15, "source_unit": "https://translate-dev.freebsd.org/api/units/385729/?format=api", "priority": 100, "id": 1649921, "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksdesign-44bsd_index/el/?checksum=0cc7f05632ce33cd", "url": "https://translate-dev.freebsd.org/api/units/1649921/?format=api", "explanation": "", "extra_flags": "", "pending": false, "timestamp": "2024-02-17T12:47:01.162213Z" }, { "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksdesign-44bsd_index/el/?format=api", "source": [ "Processes are scheduled for execution according to a _process-priority_ parameter. 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Signals in 4.4BSD are modeled after hardware interrupts. A process may specify a user-level subroutine to be a _handler_ to which a signal should be delivered. When a signal is generated, it is blocked from further occurrence while it is being _caught_ by the handler. Catching a signal involves saving the current process context and building a new one in which to run the handler. The signal is then delivered to the handler, which can either abort the process or return to the executing process (perhaps after setting a global variable). 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The default action of certain signals is to terminate the process. 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If multiple signals are pending simultaneously, the order in which signals are delivered to a process is implementation specific. Signal handlers execute with the signal that caused their invocation to be blocked, but other signals may yet occur. 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