Fix "gdbserver dp" test (#6424)

.github/workflows/tcc.yml

@@ -92,7 +92,7 @@ jobs:
       run: |
           python3 -m pip install --user 'git+https://github.com/rizinorg/rz-pipe#egg=rzpipe&subdirectory=python' requests
           sudo apt-get update
-          sudo apt-get --assume-yes install libc6 libc6-i386 debuginfod
+          sudo apt-get --assume-yes install libc6 libc6-i386 debuginfod gdbserver
 
     - name: Run tests
       env:

test/db/archos/linux-x64/dbg_gdbserver

@@ -17,12 +17,12 @@ RUN
 NAME=gdbserver dp
 FILE=bins/elf/analysis/pie
 CMDS=<<EOF
-!scripts/gdbserver.py --port 12346 --multi --binary bins/elf/analysis/pie
-oodf gdb://127.0.0.1:12346
+!scripts/gdbserver.py --port 12347 --multi --binary bins/elf/analysis/pie
+oodf gdb://127.0.0.1:12347
 dp 
 EOF
-REGEXP_FILTER_OUT=(^\s*[*-]\s*(\d+\s+ppid:\d+\s+uid:\d+))
+REGEXP_FILTER_OUT=s.*pie
 EXPECT=<<EOF
- - 1 ppid:0 uid:0
+s bins/elf/analysis/pie
 EOF
 RUN

test/scripts/gdbserver.py

@@ -14,8 +14,8 @@ run in parallel and may attempt to open the same port at the same time.
 """
 
 import argparse
+import os
 import subprocess
-import sys
 
 
 def execute(cmd):
@@ -60,11 +60,11 @@ def main():
                 print(output)
             # Exit once gdbserver is ready for connections
             if "Listening on port" in output:
-                sys.exit(0)
+                os._exit(0)  # pylint: disable=protected-access
             # gdbserver might fail to start if the port is taken
             if "Can't bind address" in output:
                 print(output)
-                sys.exit(1)
+                os._exit(1)  # pylint: disable=protected-access
 
 
 if __name__ == "__main__":