1# Copyright (c) 2005 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright --- 16 unchanged lines hidden (view full) --- 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Nathan Binkert 28 29import os, popen2, re, sys 30 31class MyPOpen(object): 32 def __init__(self, cmd, input = None, output = None, bufsize = -1): |
33 self.status = -1 |
34 35 if input is None: 36 p2c_read, p2c_write = os.pipe() 37 self.tochild = os.fdopen(p2c_write, 'w', bufsize) 38 else: 39 p2c_write = None 40 if isinstance(input, file): 41 p2c_read = input.fileno() --- 17 unchanged lines hidden (view full) --- 59 c2p_write = output.fileno() 60 elif isinstance(output, int): 61 c2p_write = output 62 else: 63 raise AttributeError 64 65 self.pid = os.fork() 66 if self.pid == 0: |
67 os.dup2(p2c_read, sys.stdin.fileno()) 68 os.dup2(c2p_write, sys.stdout.fileno()) 69 os.dup2(c2p_write, sys.stderr.fileno()) |
70 try: 71 os.execvp(cmd[0], cmd) 72 finally: 73 os._exit(1) 74 75 os.close(p2c_read) 76 os.close(c2p_write) 77 78 def poll(self): |
79 if self.status < 0: 80 pid, status = os.waitpid(self.pid, os.WNOHANG) |
81 if pid == self.pid: |
82 self.status = status 83 return self.status |
84 85 def wait(self): |
86 if self.status < 0: 87 pid, status = os.waitpid(self.pid, 0) |
88 if pid == self.pid: |
89 self.status = status 90 return self.status |
91 92class qsub: 93 def __init__(self): 94 self.hold = False 95 self.join = False 96 self.keep_stdout = False 97 self.keep_stderr = False 98 self.node_type = '' --- 78 unchanged lines hidden --- |