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Results 21 - 30 of 59 for Getg (0.11 sec)

  1. src/runtime/cgocall.go

    		throw("cgocall unavailable")
    	}
    
    	if fn == nil {
    		throw("cgocall nil")
    	}
    
    	if raceenabled {
    		racereleasemerge(unsafe.Pointer(&racecgosync))
    	}
    
    	mp := getg().m
    	mp.ncgocall++
    
    	// Reset traceback.
    	mp.cgoCallers[0] = 0
    
    	// Announce we are entering a system call
    	// so that the scheduler knows to create another
    	// M to run goroutines while we are in the
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Thu May 23 01:16:47 UTC 2024
    - 24.2K bytes
    - Viewed (0)
  2. src/runtime/mgcsweep.go

    	//
    	// If the scavenger isn't already awake, wake it up. There's
    	// definitely work for it to do at this point.
    	scavenger.wake()
    
    	nextMarkBitArenaEpoch()
    }
    
    func bgsweep(c chan int) {
    	sweep.g = getg()
    
    	lockInit(&sweep.lock, lockRankSweep)
    	lock(&sweep.lock)
    	sweep.parked = true
    	c <- 1
    	goparkunlock(&sweep.lock, waitReasonGCSweepWait, traceBlockGCSweep, 1)
    
    	for {
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Wed May 08 17:52:18 UTC 2024
    - 32.9K bytes
    - Viewed (0)
  3. src/runtime/mgcwork.go

    // A gcWork provides the interface to produce and consume work for the
    // garbage collector.
    //
    // A gcWork can be used on the stack as follows:
    //
    //	(preemption must be disabled)
    //	gcw := &getg().m.p.ptr().gcw
    //	.. call gcw.put() to produce and gcw.tryGet() to consume ..
    //
    // It's important that any use of gcWork during the mark phase prevent
    // the garbage collector from transitioning to mark termination since
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Mon Mar 25 19:53:03 UTC 2024
    - 12.9K bytes
    - Viewed (0)
  4. src/runtime/preempt.go

    // directly schedule the waiter. The context switch is unavoidable in
    // the signal case.
    //
    //go:systemstack
    func suspendG(gp *g) suspendGState {
    	if mp := getg().m; mp.curg != nil && readgstatus(mp.curg) == _Grunning {
    		// Since we're on the system stack of this M, the user
    		// G is stuck at an unsafe point. If another goroutine
    		// were to try to preempt m.curg, it could deadlock.
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Fri May 17 15:41:45 UTC 2024
    - 15.1K bytes
    - Viewed (0)
  5. src/runtime/trace.go

    	if raceenabled {
    		// g0 doesn't have a race context. Borrow the user G's.
    		if getg().racectx != 0 {
    			throw("expected racectx == 0")
    		}
    		getg().racectx = getg().m.curg.racectx
    		// (This defer should get open-coded, which is safe on
    		// the system stack.)
    		defer func() { getg().racectx = 0 }()
    	}
    
    	// This function must not allocate while holding trace.lock:
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Wed May 22 21:17:41 UTC 2024
    - 37.1K bytes
    - Viewed (0)
  6. src/runtime/syscall_windows.go

    	// calls back into Go.
    	c := &getg().m.winsyscall
    	c.fn = fn
    	c.n = uintptr(len(args))
    	if c.n != 0 {
    		c.args = uintptr(noescape(unsafe.Pointer(&args[0])))
    	}
    	cgocall(asmstdcallAddr, unsafe.Pointer(c))
    	// cgocall may reschedule us on to a different M,
    	// but it copies the return values into the new M's
    	// so we can read them from there.
    	c = &getg().m.winsyscall
    	return c.r1, c.r2, c.err
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Wed May 22 20:12:46 UTC 2024
    - 16.6K bytes
    - Viewed (0)
  7. src/cmd/compile/internal/typecheck/func.go

    	}
    	if t.NumResults() == 1 {
    		n.SetType(l.Type().Result(0).Type)
    
    		if n.Op() == ir.OCALLFUNC && n.Fun.Op() == ir.ONAME {
    			if sym := n.Fun.(*ir.Name).Sym(); types.RuntimeSymName(sym) == "getg" {
    				// Emit code for runtime.getg() directly instead of calling function.
    				// Most such rewrites (for example the similar one for math.Sqrt) should be done in walk,
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Wed Mar 06 15:23:18 UTC 2024
    - 21.1K bytes
    - Viewed (0)
  8. src/runtime/stubs.go

    //go:linkname add
    //go:nosplit
    func add(p unsafe.Pointer, x uintptr) unsafe.Pointer {
    	return unsafe.Pointer(uintptr(p) + x)
    }
    
    // getg returns the pointer to the current g.
    // The compiler rewrites calls to this function into instructions
    // that fetch the g directly (from TLS or from the dedicated register).
    func getg() *g
    
    // mcall switches from the g to the g0 stack and invokes fn(g),
    // where g is the goroutine that made the call.
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Wed May 29 17:58:53 UTC 2024
    - 20.2K bytes
    - Viewed (0)
  9. src/runtime/traceruntime.go

    	// buffer flushes are rare. Record the lock edge even if it doesn't happen
    	// this time.
    	lockRankMayTraceFlush()
    
    	// Check if we're already locked. If so, return an invalid traceLocker.
    	if getg().m.trace.seqlock.Load()%2 == 1 {
    		return traceLocker{}
    	}
    	return traceAcquireEnabled()
    }
    
    // ok returns true if the traceLocker is valid (i.e. tracing is enabled).
    //
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Wed May 22 22:31:00 UTC 2024
    - 25.7K bytes
    - Viewed (0)
  10. src/runtime/runtime.go

    // writeErrData is the common parts of writeErr{,Str}.
    //
    //go:nosplit
    func writeErrData(data *byte, n int32) {
    	write(2, unsafe.Pointer(data), n)
    
    	// If crashing, print a copy to the SetCrashOutput fd.
    	gp := getg()
    	if gp != nil && gp.m.dying > 0 ||
    		gp == nil && panicking.Load() > 0 {
    		if fd := crashFD.Load(); fd != ^uintptr(0) {
    			write(fd, unsafe.Pointer(data), n)
    		}
    	}
    }
    
    Registered: Wed Jun 12 16:32:35 UTC 2024
    - Last Modified: Thu May 23 01:16:47 UTC 2024
    - 9.9K bytes
    - Viewed (0)
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