[0fa325b] | 1 | #! /usr/bin/env python |
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| 2 | # encoding: utf-8 |
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| 3 | # WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file |
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| 4 | |
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| 5 | import random,atexit |
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| 6 | try: |
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| 7 | from queue import Queue |
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| 8 | except ImportError: |
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| 9 | from Queue import Queue |
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| 10 | from waflib import Utils,Task,Errors,Logs |
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| 11 | GAP=10 |
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| 12 | class TaskConsumer(Utils.threading.Thread): |
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| 13 | def __init__(self): |
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| 14 | Utils.threading.Thread.__init__(self) |
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| 15 | self.ready=Queue() |
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| 16 | self.setDaemon(1) |
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| 17 | self.start() |
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| 18 | def run(self): |
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| 19 | try: |
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| 20 | self.loop() |
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| 21 | except Exception: |
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| 22 | pass |
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| 23 | def loop(self): |
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| 24 | while 1: |
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| 25 | tsk=self.ready.get() |
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| 26 | if not isinstance(tsk,Task.TaskBase): |
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| 27 | tsk(self) |
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| 28 | else: |
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| 29 | tsk.process() |
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| 30 | pool=Queue() |
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| 31 | def get_pool(): |
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| 32 | try: |
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| 33 | return pool.get(False) |
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| 34 | except Exception: |
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| 35 | return TaskConsumer() |
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| 36 | def put_pool(x): |
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| 37 | pool.put(x) |
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| 38 | def _free_resources(): |
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| 39 | global pool |
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| 40 | lst=[] |
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| 41 | while pool.qsize(): |
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| 42 | lst.append(pool.get()) |
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| 43 | for x in lst: |
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| 44 | x.ready.put(None) |
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| 45 | for x in lst: |
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| 46 | x.join() |
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| 47 | pool=None |
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| 48 | atexit.register(_free_resources) |
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| 49 | class Parallel(object): |
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| 50 | def __init__(self,bld,j=2): |
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| 51 | self.numjobs=j |
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| 52 | self.bld=bld |
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| 53 | self.outstanding=[] |
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| 54 | self.frozen=[] |
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| 55 | self.out=Queue(0) |
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| 56 | self.count=0 |
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| 57 | self.processed=1 |
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| 58 | self.stop=False |
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| 59 | self.error=[] |
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| 60 | self.biter=None |
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| 61 | self.dirty=False |
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| 62 | def get_next_task(self): |
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| 63 | if not self.outstanding: |
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| 64 | return None |
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| 65 | return self.outstanding.pop(0) |
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| 66 | def postpone(self,tsk): |
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| 67 | if random.randint(0,1): |
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| 68 | self.frozen.insert(0,tsk) |
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| 69 | else: |
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| 70 | self.frozen.append(tsk) |
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| 71 | def refill_task_list(self): |
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| 72 | while self.count>self.numjobs*GAP: |
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| 73 | self.get_out() |
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| 74 | while not self.outstanding: |
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| 75 | if self.count: |
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| 76 | self.get_out() |
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| 77 | elif self.frozen: |
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| 78 | try: |
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| 79 | cond=self.deadlock==self.processed |
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| 80 | except AttributeError: |
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| 81 | pass |
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| 82 | else: |
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| 83 | if cond: |
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| 84 | msg='check the build order for the tasks' |
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| 85 | for tsk in self.frozen: |
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| 86 | if not tsk.run_after: |
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| 87 | msg='check the methods runnable_status' |
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| 88 | break |
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| 89 | lst=[] |
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| 90 | for tsk in self.frozen: |
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| 91 | lst.append('%s\t-> %r'%(repr(tsk),[id(x)for x in tsk.run_after])) |
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| 92 | raise Errors.WafError('Deadlock detected: %s%s'%(msg,''.join(lst))) |
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| 93 | self.deadlock=self.processed |
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| 94 | if self.frozen: |
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| 95 | self.outstanding+=self.frozen |
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| 96 | self.frozen=[] |
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| 97 | elif not self.count: |
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| 98 | self.outstanding.extend(self.biter.next()) |
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| 99 | self.total=self.bld.total() |
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| 100 | break |
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| 101 | def add_more_tasks(self,tsk): |
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| 102 | if getattr(tsk,'more_tasks',None): |
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| 103 | self.outstanding+=tsk.more_tasks |
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| 104 | self.total+=len(tsk.more_tasks) |
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| 105 | def get_out(self): |
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| 106 | tsk=self.out.get() |
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| 107 | if not self.stop: |
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| 108 | self.add_more_tasks(tsk) |
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| 109 | self.count-=1 |
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| 110 | self.dirty=True |
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| 111 | return tsk |
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| 112 | def error_handler(self,tsk): |
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| 113 | if not self.bld.keep: |
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| 114 | self.stop=True |
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| 115 | self.error.append(tsk) |
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| 116 | def add_task(self,tsk): |
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| 117 | try: |
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| 118 | self.pool |
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| 119 | except AttributeError: |
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| 120 | self.init_task_pool() |
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| 121 | self.ready.put(tsk) |
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| 122 | def init_task_pool(self): |
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| 123 | pool=self.pool=[get_pool()for i in range(self.numjobs)] |
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| 124 | self.ready=Queue(0) |
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| 125 | def setq(consumer): |
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| 126 | consumer.ready=self.ready |
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| 127 | for x in pool: |
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| 128 | x.ready.put(setq) |
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| 129 | return pool |
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| 130 | def free_task_pool(self): |
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| 131 | def setq(consumer): |
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| 132 | consumer.ready=Queue(0) |
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| 133 | self.out.put(self) |
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| 134 | try: |
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| 135 | pool=self.pool |
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| 136 | except AttributeError: |
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| 137 | pass |
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| 138 | else: |
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| 139 | for x in pool: |
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| 140 | self.ready.put(setq) |
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| 141 | for x in pool: |
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| 142 | self.get_out() |
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| 143 | for x in pool: |
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| 144 | put_pool(x) |
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| 145 | self.pool=[] |
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| 146 | def start(self): |
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| 147 | self.total=self.bld.total() |
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| 148 | while not self.stop: |
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| 149 | self.refill_task_list() |
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| 150 | tsk=self.get_next_task() |
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| 151 | if not tsk: |
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| 152 | if self.count: |
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| 153 | continue |
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| 154 | else: |
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| 155 | break |
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| 156 | if tsk.hasrun: |
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| 157 | self.processed+=1 |
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| 158 | continue |
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| 159 | if self.stop: |
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| 160 | break |
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| 161 | try: |
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| 162 | st=tsk.runnable_status() |
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| 163 | except Exception: |
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| 164 | self.processed+=1 |
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| 165 | tsk.err_msg=Utils.ex_stack() |
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| 166 | if not self.stop and self.bld.keep: |
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| 167 | tsk.hasrun=Task.SKIPPED |
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| 168 | if self.bld.keep==1: |
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| 169 | if Logs.verbose>1 or not self.error: |
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| 170 | self.error.append(tsk) |
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| 171 | self.stop=True |
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| 172 | else: |
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| 173 | if Logs.verbose>1: |
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| 174 | self.error.append(tsk) |
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| 175 | continue |
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| 176 | tsk.hasrun=Task.EXCEPTION |
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| 177 | self.error_handler(tsk) |
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| 178 | continue |
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| 179 | if st==Task.ASK_LATER: |
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| 180 | self.postpone(tsk) |
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| 181 | elif st==Task.SKIP_ME: |
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| 182 | self.processed+=1 |
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| 183 | tsk.hasrun=Task.SKIPPED |
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| 184 | self.add_more_tasks(tsk) |
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| 185 | else: |
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| 186 | tsk.position=(self.processed,self.total) |
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| 187 | self.count+=1 |
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| 188 | tsk.master=self |
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| 189 | self.processed+=1 |
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| 190 | if self.numjobs==1: |
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| 191 | tsk.process() |
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| 192 | else: |
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| 193 | self.add_task(tsk) |
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| 194 | while self.error and self.count: |
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| 195 | self.get_out() |
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| 196 | assert(self.count==0 or self.stop) |
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| 197 | self.free_task_pool() |
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