pbs.py (1385:a80f052561fd) | pbs.py (1386:793290a922ee) |
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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): | 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.sts = -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: | 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, 0) 68 os.dup2(c2p_write, 1) 69 os.dup2(c2p_write, 2) 70 if isinstance(cmd, basestring): 71 cmd = ['/bin/sh', '-c', cmd] 72 if False: 73 for i in range(3, MAXFD): 74 try: 75 os.close(i) 76 except OSError: 77 pass | 67 os.dup2(p2c_read, sys.stdin.fileno()) 68 os.dup2(c2p_write, sys.stdout.fileno()) 69 os.dup2(c2p_write, sys.stderr.fileno()) |
78 try: 79 os.execvp(cmd[0], cmd) 80 finally: 81 os._exit(1) 82 83 os.close(p2c_read) 84 os.close(c2p_write) 85 86 def poll(self): | 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): |
87 if self.sts < 0: 88 pid, sts = os.waitpid(self.pid, os.WNOHANG) | 79 if self.status < 0: 80 pid, status = os.waitpid(self.pid, os.WNOHANG) |
89 if pid == self.pid: | 81 if pid == self.pid: |
90 self.sts = sts 91 return self.sts | 82 self.status = status 83 return self.status |
92 93 def wait(self): | 84 85 def wait(self): |
94 if self.sts < 0: 95 pid, sts = os.waitpid(self.pid, 0) | 86 if self.status < 0: 87 pid, status = os.waitpid(self.pid, 0) |
96 if pid == self.pid: | 88 if pid == self.pid: |
97 self.sts = sts 98 return self.sts | 89 self.status = status 90 return self.status |
99 100class qsub: 101 def __init__(self): 102 self.hold = False 103 self.join = False 104 self.keep_stdout = False 105 self.keep_stderr = False 106 self.node_type = '' --- 78 unchanged lines hidden --- | 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 --- |