wlcontext: use poll with wake pipe instead of read deadlines

core/internal/server/clipboard/manager.go

@@ -500,14 +500,13 @@ func (m *Manager) receiveData(offer *ext_data_control.ExtDataControlOfferV1, mim
 	receiveErr := make(chan error, 1)
 	m.post(func() {
 		err := offer.Receive(mimeType, int(w.Fd()))
+		w.Close()
 		receiveErr <- err
 	})
 
 	if err := <-receiveErr; err != nil {
-		w.Close()
 		return nil, err
 	}
-	w.Close()
 
 	type result struct {
 		data []byte

core/internal/server/wlcontext/context.go

@@ -1,11 +1,11 @@
 package wlcontext
 
 import (
-	"errors"
 	"fmt"
 	"os"
 	"sync"
-	"time"
+
+	"golang.org/x/sys/unix"
 
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/errdefs"
 	"github.com/AvengeMedia/DankMaterialShell/core/internal/log"
@@ -27,6 +27,8 @@ type SharedContext struct {
 	stopChan   chan struct{}
 	fatalError chan error
 	cmdQueue   chan func()
+	wakeR      int
+	wakeW      int
 	wg         sync.WaitGroup
 	mu         sync.Mutex
 	started    bool
@@ -38,11 +40,31 @@ func New() (*SharedContext, error) {
 		return nil, fmt.Errorf("%w: %v", errdefs.ErrNoWaylandDisplay, err)
 	}
 
+	fds := make([]int, 2)
+	if err := unix.Pipe(fds); err != nil {
+		display.Context().Close()
+		return nil, fmt.Errorf("failed to create wake pipe: %w", err)
+	}
+	if err := unix.SetNonblock(fds[0], true); err != nil {
+		unix.Close(fds[0])
+		unix.Close(fds[1])
+		display.Context().Close()
+		return nil, fmt.Errorf("failed to set wake pipe nonblock: %w", err)
+	}
+	if err := unix.SetNonblock(fds[1], true); err != nil {
+		unix.Close(fds[0])
+		unix.Close(fds[1])
+		display.Context().Close()
+		return nil, fmt.Errorf("failed to set wake pipe nonblock: %w", err)
+	}
+
 	sc := &SharedContext{
 		display:    display,
 		stopChan:   make(chan struct{}),
 		fatalError: make(chan error, 1),
 		cmdQueue:   make(chan func(), 256),
+		wakeR:      fds[0],
+		wakeW:      fds[1],
 		started:    false,
 	}
 
@@ -69,6 +91,9 @@ func (sc *SharedContext) Display() *wlclient.Display {
 func (sc *SharedContext) Post(fn func()) {
 	select {
 	case sc.cmdQueue <- fn:
+		if _, err := unix.Write(sc.wakeW, []byte{1}); err != nil && err != unix.EAGAIN {
+			log.Errorf("wake pipe write error: %v", err)
+		}
 	default:
 	}
 }
@@ -89,7 +114,14 @@ func (sc *SharedContext) eventDispatcher() {
 			}
 		}
 	}()
+
 	ctx := sc.display.Context()
+	wlFd := ctx.Fd()
+
+	pollFds := []unix.PollFd{
+		{Fd: int32(wlFd), Events: unix.POLLIN},
+		{Fd: int32(sc.wakeR), Events: unix.POLLIN},
+	}
 
 	for {
 		select {
@@ -100,20 +132,33 @@ func (sc *SharedContext) eventDispatcher() {
 
 		sc.drainCmdQueue()
 
-		if err := ctx.SetReadDeadline(time.Now().Add(50 * time.Millisecond)); err != nil {
+		n, err := unix.Poll(pollFds, 50)
-			log.Errorf("Failed to set read deadline: %v", err)
+		if err != nil {
-		}
+			if err == unix.EINTR {
-		err := ctx.Dispatch()
+				continue
-		if err := ctx.SetReadDeadline(time.Time{}); err != nil {
+			}
-			log.Errorf("Failed to clear read deadline: %v", err)
+			log.Errorf("Poll error: %v", err)
+			return
 		}
 
-		switch {
+		if n == 0 {
-		case err == nil:
+			continue
-		case errors.Is(err, os.ErrDeadlineExceeded):
+		}
-		default:
+
-			log.Errorf("Wayland connection error: %v", err)
+		if pollFds[1].Revents&unix.POLLIN != 0 {
-			return
+			var buf [64]byte
+			if _, err := unix.Read(sc.wakeR, buf[:]); err != nil && err != unix.EAGAIN {
+				log.Errorf("wake pipe read error: %v", err)
+			}
+		}
+
+		if pollFds[0].Revents&unix.POLLIN != 0 {
+			if err := ctx.Dispatch(); err != nil {
+				if !os.IsTimeout(err) {
+					log.Errorf("Wayland connection error: %v", err)
+					return
+				}
+			}
 		}
 	}
 }
@@ -133,6 +178,9 @@ func (sc *SharedContext) Close() {
 	close(sc.stopChan)
 	sc.wg.Wait()
 
+	unix.Close(sc.wakeR)
+	unix.Close(sc.wakeW)
+
 	if sc.display != nil {
 		sc.display.Context().Close()
 	}

core/pkg/go-wayland/wayland/client/context.go

@@ -58,6 +58,18 @@ func (ctx *Context) SetReadDeadline(t time.Time) error {
 	return ctx.conn.SetReadDeadline(t)
 }
 
+func (ctx *Context) Fd() int {
+	rawConn, err := ctx.conn.SyscallConn()
+	if err != nil {
+		return -1
+	}
+	var fd int
+	rawConn.Control(func(f uintptr) {
+		fd = int(f)
+	})
+	return fd
+}
+
 // Dispatch reads and processes incoming messages and calls [client.Dispatcher.Dispatch] on the
 // respective wayland protocol.
 // Dispatch must be called on the same goroutine as other interactions with the Context.

distro/scripts/ppa-status.sh

@@ -105,7 +105,7 @@ get_status_display() {
 # Check each PPA
 for PPA_NAME in "${PPAS[@]}"; do
     PPA_ARCHIVE="${LAUNCHPAD_API}/~${PPA_OWNER}/+archive/ubuntu/${PPA_NAME}"
-    
+
     echo "=========================================="
     echo "=== PPA: ${PPA_OWNER}/${PPA_NAME} ==="
     echo "=========================================="
@@ -122,55 +122,55 @@ for PPA_NAME in "${PPAS[@]}"; do
         echo "----------------------------------------"
         echo "--- $pkg ---"
         echo "----------------------------------------"
-        
+
         # Get published sources for this package
         SOURCES_URL="${PPA_ARCHIVE}?ws.op=getPublishedSources&source_name=${pkg}&distro_series=${LAUNCHPAD_API}/ubuntu/${DISTRO_SERIES}&status=Published"
-        
+
         SOURCES=$(curl -s "$SOURCES_URL" 2>/dev/null)
-        
+
         if [[ -z "$SOURCES" ]] || [[ "$SOURCES" == "null" ]]; then
             echo "  ⚠️  No published sources found"
             echo ""
             continue
         fi
-        
+
         # Get the latest source
         TOTAL=$(echo "$SOURCES" | jq '.total_size // 0')
-        
+
         if [[ "$TOTAL" == "0" ]]; then
             echo "  ⚠️  No published sources found for $DISTRO_SERIES"
             echo ""
             continue
         fi
-        
+
         # Get most recent entry
         ENTRY=$(echo "$SOURCES" | jq '.entries[0]')
-        
+
         if [[ "$ENTRY" == "null" ]]; then
             echo "  ⚠️  No source entries found"
             echo ""
             continue
         fi
-        
+
         # Extract source info
         VERSION=$(echo "$ENTRY" | jq -r '.source_package_version // "unknown"')
         STATUS=$(echo "$ENTRY" | jq -r '.status // "unknown"')
         DATE_PUBLISHED=$(echo "$ENTRY" | jq -r '.date_published // "unknown"')
         SELF_LINK=$(echo "$ENTRY" | jq -r '.self_link // ""')
-        
+
         echo "  📦 Version: $VERSION"
         echo "  📅 Published: ${DATE_PUBLISHED%T*}"
         echo "  📋 Source Status: $STATUS"
         echo ""
-        
+
         # Get builds for this source
         if [[ -n "$SELF_LINK" && "$SELF_LINK" != "null" ]]; then
             BUILDS_URL="${SELF_LINK}?ws.op=getBuilds"
             BUILDS=$(curl -s "$BUILDS_URL" 2>/dev/null)
-            
+
             if [[ -n "$BUILDS" && "$BUILDS" != "null" ]]; then
                 BUILD_COUNT=$(echo "$BUILDS" | jq '.total_size // 0')
-                
+
                 if [[ "$BUILD_COUNT" -gt 0 ]]; then
                     echo "  Builds:"
                     echo "$BUILDS" | jq -r '.entries[] | "\(.arch_tag) \(.buildstate)"' 2>/dev/null | while read -r line; do
@@ -182,18 +182,18 @@ for PPA_NAME in "${PPAS[@]}"; do
                 fi
             fi
         fi
-        
+
         # Alternative: Get build records directly from archive
         BUILD_RECORDS_URL="${PPA_ARCHIVE}?ws.op=getBuildRecords&source_name=${pkg}"
         BUILD_RECORDS=$(curl -s "$BUILD_RECORDS_URL" 2>/dev/null)
-        
+
         if [[ -n "$BUILD_RECORDS" && "$BUILD_RECORDS" != "null" ]]; then
             RECORD_COUNT=$(echo "$BUILD_RECORDS" | jq '.total_size // 0')
-            
+
             if [[ "$RECORD_COUNT" -gt 0 ]]; then
                 echo ""
                 echo "  Recent build history:"
-                
+
                 # Get unique version+arch combinations
                 echo "$BUILD_RECORDS" | jq -r '.entries[:6][] | "\(.source_package_version) \(.arch_tag) \(.buildstate)"' 2>/dev/null | while read -r line; do
                     VER=$(echo "$line" | awk '{print $1}')
@@ -204,10 +204,10 @@ for PPA_NAME in "${PPAS[@]}"; do
                 done
             fi
         fi
-        
+
         echo ""
     done
-    
+
     echo "View full PPA at: https://launchpad.net/~${PPA_OWNER}/+archive/ubuntu/${PPA_NAME}"
     echo ""
 done
@@ -215,4 +215,3 @@ done
 echo "=========================================="
 echo "Status check complete!"
 echo ""
-