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searching for Exit (system call) 53 found (78 total)

Select (Unix) (650 words) [view diff] no match in snippet view article

select is a system call and application programming interface (API) in Unix-like and POSIX-compliant operating systems for examining the status of file

Stat (system call) (1,897 words) [view diff] no match in snippet view article

stat() is a Unix system call that returns file attributes about an inode. The semantics of stat() vary between operating systems. As an example, Unix

Open (system call) (1,131 words) [view diff] no match in snippet view article

program initializes access to a file in a file system using the open system call. This allocates resources associated to the file (the file descriptor)

Seccomp (1,271 words) [view diff] no match in snippet view article find links to article

enabled via the prctl(2) system call using the PR_SET_SECCOMP argument, or (since Linux kernel 3.17) via the seccomp(2) system call. seccomp mode used to

Netwide Assembler (1,822 words) [view diff] no match in snippet view article find links to article

carriage return expected in the string syscall ; exit system call mov rax, 0x2000001 ; exit system call xor rdi, rdi syscall section .data vuid db "BC220425429"

Dup (system call) (547 words) [view diff] no match in snippet view article

capable of being used interchangeably. Both file descriptors in a dup() system call refer to the same open file description which means they share file offset

Wait (command) (283 words) [view diff] no match in snippet view article

# waits for background job number 2 to terminate, then returns wait (system call) The Wikibook Guide to Unix has a page on the topic of: Commands GNU

Mmap (1,149 words) [view diff] no match in snippet view article find links to article

In computing, mmap(2) is a POSIX-compliant Unix system call that maps files or devices into memory. It is a method of memory-mapped file I/O. It implements

Logname (187 words) [view diff] no match in snippet view article find links to article

environment (but this variable could have been modified). The logname system call and command appeared for the first time in UNIX System III. The author

Ioctl (2,577 words) [view diff] no match in snippet view article find links to article

system call usually takes the form of a "system call vector", in which the desired system call is indicated with an index number. For instance, exit()

Strace (2,113 words) [view diff] no match in snippet view article find links to article

sun. The initial README file contained the following: strace(1) is a system call tracer for Sun(tm) systems much like the Sun supplied program trace(1)

Supervisor Call instruction (2,229 words) [view diff] no match in snippet view article find links to article

concept of an instruction for issuing calls to an operating system, see System call. A Supervisor Call instruction (SVC) is a hardware instruction used by

X86 assembly language (6,902 words) [view diff] no match in snippet view article find links to article

kernel to perform the system call we just set up - ; in gnu/linux services are requested through the kernel mov eax, 1 ; specify sys_exit function code (from

Zero page (CP/M) (639 words) [view diff] no match in snippet view article

involves the warm boot. Under CP/M-80, the warm boot may be accessed by a system call with a function code of 0 for a jump to location 0. CP/M-86, however

Sigaction (732 words) [view diff] no match in snippet view article find links to article

data, stopping execution, synchronizing something...). The sigaction() system call is used to declare the behavior of the program should it receive one

GNU Debugger (1,664 words) [view diff] no match in snippet view article find links to article

designed to work with GDB, such as memory leak detectors. GDB uses a system call named ptrace (the name is an abbreviation of "process trace") to observe

Fork–exec (622 words) [view diff] no match in snippet view article find links to article

an executing process spawns a new program. fork() is the name of the system call that the parent process uses to "divide" itself ("fork") into two identical

Terminate-and-stay-resident program (1,746 words) [view diff] no match in snippet view article find links to article

program (commonly TSR) is a computer program running under DOS that uses a system call to return control to DOS as though it has finished, but remains in computer

Entry point (4,729 words) [view diff] no match in snippet view article find links to article

single exit point specified in a program. However, in other cases runtimes ensure that programs always terminate in a structured way via a single exit point

Infinite loop (2,613 words) [view diff] no match in snippet view article find links to article

terminal with the Control-C command, or by using the kill command or system call. However, this does not always work, as the process may not be responding

Time-of-check to time-of-use (1,375 words) [view diff] no match in snippet view article find links to article

victim's. In the example above, the attacker must execute the symlink system call precisely between the access and open. For the most general attack, the

Man page (2,549 words) [view diff] no match in snippet view article find links to article

to different ways the topic might be referenced - for example, as a system call, or a shell (command line) command or package, or a package's configuration

C shell (4,914 words) [view diff] no match in snippet view article find links to article

Unix's ability to pass long argument lists efficiently through the exec system call that csh uses to execute commands. By contrast, on Windows, wildcard

Unistd.h (302 words) [view diff] no match in snippet view article find links to article

systems, the interface defined by unistd.h is typically made up largely of system call wrapper functions such as fork, pipe and I/O primitives (read, write

Su (Unix) (655 words) [view diff] no match in snippet view article

The command su, including the Unix permissions system and the setuid system call, was part of Version 1 Unix. Encrypted passwords appeared in Version

GNU Assembler (616 words) [view diff] no match in snippet view article find links to article

with location 0x80 (128), which invokes the kernel's system call procedure movl $1, %eax # 1 ("exit") -> EAX movl $0, %ebx # 0 (with success) -> EBX int

Loader (computing) (1,437 words) [view diff] no match in snippet view article

loaded into memory at all. In Unix, the loader is the handler for the system call execve(). The Unix loader's tasks include: validation (permissions, memory

Program Segment Prefix (1,558 words) [view diff] no match in snippet view article find links to article

involves the warm boot. Under CP/M-80, the warm boot may be accessed by a system call with a function code of 0 for a jump to location 0. CP/M-86, however

Real-time operating system (2,403 words) [view diff] no match in snippet view article find links to article

however, allow the application itself to run in kernel mode for greater system call efficiency and also to permit the application to have greater control

Assembly language (9,867 words) [view diff] no match in snippet view article find links to article

access to all the real capabilities of the processor, upon which all system call mechanisms ultimately rest. In contrast to assembly languages, most high-level

Research Unix (853 words) [view diff] no match in snippet view article find links to article

generalized version of the Streams IPC mechanism introduced in V8. The mount system call was extended to connect a stream to a file, the other end of which could

ProbeVue (1,369 words) [view diff] no match in snippet view article find links to article

defined for whenever a process with a PID of 123456 enters the read() system call. When that event happens this script will call the built-in printf()

MIPS architecture (8,037 words) [view diff] no match in snippet view article find links to article

two instructions for software to signal an exception: System Call and Breakpoint. System Call is used by user mode software to make kernel calls; and

Unix (5,614 words) [view diff] no match in snippet view article find links to article

documentation included: man – manual pages for each command, library component, system call, header file, etc. doc – longer documents detailing major subsystems

Process substitution (892 words) [view diff] no match in snippet view article find links to article

support /dev/fd (most Unix-like systems) it works by calling the pipe() system call, which returns a file descriptor $fd for a new anonymous pipe, then creating

Selective door operation (1,618 words) [view diff] no match in snippet view article find links to article

network. Class 350, 444 and 450 Desiro electric multiple units use a system call Unit De-Select. This allows the guard of the train to de-select an entire

Comparison of programming languages (1,473 words) [view diff] no match in snippet view article find links to article

message or throw an exception if an input/output operation or other system call (e.g., chmod, kill) fails, unless the programmer has explicitly arranged

RSTS/E (5,655 words) [view diff] no match in snippet view article find links to article

a user logged in under that account is permitted to execute the POKE system call to put values into any memory in the system. Thus the account number

Rory Stewart (12,631 words) [view diff] no match in snippet view article find links to article

Retrieved 7 March 2018. "Review of Veterans within the Criminal Justice System Call for Evidence". Ministry of Justice. 2014. Archived from the original

Coroutine (4,991 words) [view diff] no match in snippet view article find links to article

[non-primary source needed] On platforms which provide the POSIX sigaltstack system call, a second call stack can be obtained by calling a springboard function

Kernel page-table isolation (1,275 words) [view diff] no match in snippet view article find links to article

protected from access. The advantage is that when the application makes a system call into the kernel or an interrupt is received, kernel page tables are always

Command-line interface (8,217 words) [view diff] no match in snippet view article find links to article

switchar or switchchar) to be used is defined by a value returned from a system call (INT 21h/AX=3700h). The default character returned by this API is /,

Fat binary (9,322 words) [view diff] no match in snippet view article find links to article

original on 2011-11-15. Retrieved 2014-07-10. (207 pages) "2. Operating System Call Conventions". CP/M 2.0 Interface Guide (PDF) (1 ed.). Pacific Grove,

Reentrancy (computing) (2,028 words) [view diff] no match in snippet view article

operating system might provide atomicity guarantees for signals, such as a system call interrupted by a signal not having a partial effect. The processor hardware

Data General Nova (9,264 words) [view diff] no match in snippet view article find links to article

address in accumulator 3. This was the standard method for making an RDOS system call on early Nova models; the assembly language mnemonic ".SYSTM" translated

File locking (3,162 words) [view diff] no match in snippet view article find links to article

confusing to the unaware. Mandatory locks have no effect on the unlink system call. Consequently, certain programs may, effectively, circumvent mandatory

Linux kernel version history (7,541 words) [view diff] no match in snippet view article find links to article

documentation". www.kernel.org. Retrieved 11 July 2022. "Fprobe - Function entry/exit probe — The Linux Kernel documentation". www.kernel.org. Retrieved 11 July

Windows 10 (19,304 words) [view diff] no match in snippet view article find links to article

Linux system calls to those of the Windows NT kernel (only claims full system call compatibility as of WSL 2, included in a later Windows update). The environment

X86 instruction listings (15,477 words) [view diff] no match in snippet view article find links to article

can be executed by the VMM as well – doing so will cause a special SMM VM exit. The functions available for VMFUNC in the EAX register are: The operations

Computer security compromised by hardware failure (5,114 words) [view diff] no match in snippet view article find links to article

calls do not work : Leaving the system in ring 0 and running a random system call (exit() typically) is likely to crash the system. The backdoors Loïc Duflot

A20 line (4,913 words) [view diff] no match in snippet view article find links to article

involves the warm boot. Under CP/M-80, the warm boot may be accessed by a system call with a function code of 0 for a jump to location 0. CP/M-86, however

CPUID (10,769 words) [view diff] no match in snippet view article find links to article

region of the SSA (SGX Save State Area) when an AEX (SGX Asynchronous Enclave Exit) occurs. Sub-leaf 1 provides a bitmap of which bits can be set in the 128-bit

Outline of Ubuntu (3,869 words) [view diff] no match in snippet view article find links to article

utility program. cat — concatenate (join) files chmod — command and system call that may change the access permissions to file system objects (files