system call

名词 n.
中文释义

英文释义

名词 n.
  1. A function provided by an operating system to allow userspace programs access to privileged features, such as accessing the system's hardware.
    — The OS provides a system call to open a file, returning file descriptor that can be used to access it.
  2. A particular invocation of an operating-system-provided system-call function.
    — After a system call, control is returned to the process.

词形变化

system calls plural
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