diff options
| -rw-r--r-- | lib/bb/server/process.py | 8 | ||||
| -rw-r--r-- | lib/bb/utils.py | 15 |
2 files changed, 23 insertions, 0 deletions
diff --git a/lib/bb/server/process.py b/lib/bb/server/process.py index 279934849..e9de38e70 100644 --- a/lib/bb/server/process.py +++ b/lib/bb/server/process.py @@ -22,6 +22,7 @@ import logging import signal +import sys import time import bb import bb.event @@ -29,6 +30,7 @@ from multiprocessing import Process, Event from bb.cooker import BBCooker logger = logging.getLogger('BitBake') +NULL = open('/dev/null', 'r+') class ServerCommunicator(): def __init__(self, connection): @@ -88,6 +90,12 @@ class ProcessServer(Process): self._idlefunctions[function] = data def run(self): + """Run the server, killing off stdin/stdout/stderr""" + with bb.utils.redirected_fds([sys.stdin, sys.stdout, sys.stderr], + [NULL, NULL, NULL]): + return self.main() + + def main(self): # Ignore SIGINT within the server, as all SIGINT handling is done by # the UI and communicated to us signal.signal(signal.SIGINT, signal.SIG_IGN) diff --git a/lib/bb/utils.py b/lib/bb/utils.py index 761c243c6..22793a9f6 100644 --- a/lib/bb/utils.py +++ b/lib/bb/utils.py @@ -794,3 +794,18 @@ def init_logger(logger, verbose, debug, debug_domains): if debug_domains: bb.msg.set_debug_domains(debug_domains) + +@contextmanager +def redirected_fds(from_files, to_files): + assert len(from_files) == len(to_files), 'from_files / to_files length mismatch' + + old_fds = [] + for position, fobj in enumerate(from_files): + fd = fobj.fileno() + old_fds.append(os.dup(fd)) + os.dup2(to_files[position].fileno(), fd) + + yield + + for position, fd in enumerate(old_fds): + os.dup2(fd, from_files[position].fileno()) |