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Merge pull request #576 from cr1901/no-resource 

Gate POSIX-only signals and resource module to only run on POSIX Pyth…
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Clifford Wolf 2018-08-15 14:00:19 +02:00 committed by GitHub
parent d70830a1be 0caa62802c
commit dfc0c8ffc8
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1 changed files with 12 additions and 9 deletions
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17
backends/smt2/smtio.py
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@ -17,7 +17,9 @@
# #
import sys, re, os, signal import sys, re, os, signal
import resource, subprocess import subprocess
if os.name == "posix":
import resource
from copy import deepcopy from copy import deepcopy
from select import select from select import select
from time import time from time import time
@ -27,11 +29,12 @@ from threading import Thread
# This is needed so that the recursive SMT2 S-expression parser # This is needed so that the recursive SMT2 S-expression parser
# does not run out of stack frames when parsing large expressions # does not run out of stack frames when parsing large expressions
smtio_reclimit = 64 * 1024 if os.name == "posix":
smtio_stacksize = 128 * 1024 * 1024 smtio_reclimit = 64 * 1024
if sys.getrecursionlimit() < smtio_reclimit: smtio_stacksize = 128 * 1024 * 1024
if sys.getrecursionlimit() < smtio_reclimit:
sys.setrecursionlimit(smtio_reclimit) sys.setrecursionlimit(smtio_reclimit)
if resource.getrlimit(resource.RLIMIT_STACK)[0] < smtio_stacksize: if resource.getrlimit(resource.RLIMIT_STACK)[0] < smtio_stacksize:
resource.setrlimit(resource.RLIMIT_STACK, (smtio_stacksize, -1)) resource.setrlimit(resource.RLIMIT_STACK, (smtio_stacksize, -1))
@ -51,8 +54,9 @@ def force_shutdown(signum, frame):
os.kill(p.pid, signal.SIGTERM) os.kill(p.pid, signal.SIGTERM)
sys.exit(1) sys.exit(1)
if os.name == "posix":
signal.signal(signal.SIGHUP, force_shutdown)
signal.signal(signal.SIGINT, force_shutdown) signal.signal(signal.SIGINT, force_shutdown)
signal.signal(signal.SIGHUP, force_shutdown)
signal.signal(signal.SIGTERM, force_shutdown) signal.signal(signal.SIGTERM, force_shutdown)
def except_hook(exctype, value, traceback): def except_hook(exctype, value, traceback):
@ -1053,4 +1057,3 @@ class MkVcd:
print("b0 %s" % self.nets[path][0], file=self.f) print("b0 %s" % self.nets[path][0], file=self.f)
else: else:
print("b1 %s" % self.nets[path][0], file=self.f) print("b1 %s" % self.nets[path][0], file=self.f)