Add full epoll_pwait

regression/apps/scripts/run_regression_test.sh

@@ -11,5 +11,6 @@ cd ${SCRIPT_DIR}
 ./ext2.sh
 ./process.sh
 ./network.sh
+./test_epoll_pwait.sh
 
 echo "All regression tests passed."

regression/apps/scripts/test_epoll_pwait.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+EPOLLTEST_DIR=/regression/epoll
+cd ${EPOLLTEST_DIR}
+
+echo "Start epoll_pwait test......"
+
+# Step 2: Run epoll_pwait in the background
+./epoll_pwait &
+EPOLL_PID=$!
+
+echo "epoll_pwait PID: $EPOLL_PID"
+
+# Step 3: Wait for 1 seconds to let epoll_pwait initialize and block SIGUSR1
+sleep 1
+
+# Step 4: Send SIGUSR1 to epoll_pwait
+kill -USR1 $EPOLL_PID
+echo "Sent SIGUSR1 to PID $EPOLL_PID"
+
+# Optional: Wait a bit more to see the output if the process is still running
+sleep 3
+
+# You can also wait till the subprocess epoll_pwait completely finishes
+# wait $EPOLL_PID
+
+echo "Test completed."