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cmdutil: service: logfile option to redirect stdout & stderr in a file

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This commit is contained in:
Nicolas Dumazet 2009-05-25 18:14:32 +09:00
parent 28d2c833e7
commit 448395f76a
1 changed files with 13 additions and 6 deletions
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19
mercurial/cmdutil.py
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@ -537,7 +537,7 @@ def copy(ui, repo, pats, opts, rename=False):
return errors
def service(opts, parentfn=None, initfn=None, runfn=None):
def service(opts, parentfn=None, initfn=None, runfn=None, logfile=None):
'''Run a command as a service.'''
if opts['daemon'] and not opts['daemon_pipefds']:
@ -581,11 +581,18 @@ def service(opts, parentfn=None, initfn=None, runfn=None):
os.close(wfd)
sys.stdout.flush()
sys.stderr.flush()
fd = os.open(util.nulldev, os.O_RDWR)
if fd != 0: os.dup2(fd, 0)
if fd != 1: os.dup2(fd, 1)
if fd != 2: os.dup2(fd, 2)
if fd not in (0, 1, 2): os.close(fd)
nullfd = os.open(util.nulldev, os.O_RDWR)
logfilefd = nullfd
if logfile:
logfilefd = os.open(logfile, os.O_RDWR | os.O_CREAT | os.O_APPEND)
os.dup2(nullfd, 0)
os.dup2(logfilefd, 1)
os.dup2(logfilefd, 2)
if nullfd not in (0, 1, 2):
os.close(nullfd)
if logfile and logfilefd not in (0, 1, 2):
os.close(logfilefd)
if runfn:
return runfn()