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epollWait() — netty Function Reference

Architecture documentation for the epollWait() function in EpollIoHandler.java from the netty codebase.

Function java Buffer Telemetry called by 4

Entity Profile

Dependency Diagram

graph TD
  df22a564_5fd0_ed67_ef54_504075dee5df["epollWait()"]
  e531fecb_b495_8b97_8d1b_49ff2b5ccdbb["EpollIoHandler"]
  df22a564_5fd0_ed67_ef54_504075dee5df -->|defined in| e531fecb_b495_8b97_8d1b_49ff2b5ccdbb
  3d9ab7a8_4acc_8749_739f_f379b1c97919["epollWaitNoTimerChange()"]
  3d9ab7a8_4acc_8749_739f_f379b1c97919 -->|calls| df22a564_5fd0_ed67_ef54_504075dee5df
  9a1d1805_b447_2291_fe6b_e31ba3b7ac08["epollWaitNow()"]
  9a1d1805_b447_2291_fe6b_e31ba3b7ac08 -->|calls| df22a564_5fd0_ed67_ef54_504075dee5df
  5ac1ec81_fd61_e81b_dbef_8f44b4fadfb7["epollWaitTimeboxed()"]
  5ac1ec81_fd61_e81b_dbef_8f44b4fadfb7 -->|calls| df22a564_5fd0_ed67_ef54_504075dee5df
  243595e7_7d39_0bf2_9688_f649d92dd080["run()"]
  243595e7_7d39_0bf2_9688_f649d92dd080 -->|calls| df22a564_5fd0_ed67_ef54_504075dee5df
  style df22a564_5fd0_ed67_ef54_504075dee5df fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport-classes-epoll/src/main/java/io/netty/channel/epoll/EpollIoHandler.java lines 365–374

    private long epollWait(IoHandlerContext context, long deadlineNanos) throws IOException {
        if (deadlineNanos == NONE) {
            return Native.epollWait(epollFd, events, timerFd,
                    Integer.MAX_VALUE, 0, EPOLL_WAIT_MILLIS_THRESHOLD); // disarm timer
        }
        long totalDelay = context.delayNanos(System.nanoTime());
        int delaySeconds = (int) min(totalDelay / 1000000000L, Integer.MAX_VALUE);
        int delayNanos = (int) min(totalDelay - delaySeconds * 1000000000L, MAX_SCHEDULED_TIMERFD_NS);
        return Native.epollWait(epollFd, events, timerFd, delaySeconds, delayNanos, EPOLL_WAIT_MILLIS_THRESHOLD);
    }

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does epollWait() do?
epollWait() is a function in the netty codebase, defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/EpollIoHandler.java.
Where is epollWait() defined?
epollWait() is defined in transport-classes-epoll/src/main/java/io/netty/channel/epoll/EpollIoHandler.java at line 365.
What calls epollWait()?
epollWait() is called by 4 function(s): epollWaitNoTimerChange, epollWaitNow, epollWaitTimeboxed, run.

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