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comparison mxtool/mx.py @ 19921:ea280aa54d58

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Fix arg limit on Mac
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Tue, 17 Mar 2015 11:22:56 -0700
parents bd953f563517
children 6e5df2d60fbd
comparison
equal deleted inserted replaced
19920:7366593c0610 19921:ea280aa54d58
2821 # 32,768 characters (http://msdn.microsoft.com/en-us/library/ms682425%28VS.85%29.aspx) 2821 # 32,768 characters (http://msdn.microsoft.com/en-us/library/ms682425%28VS.85%29.aspx)
2822 limit = 32768 - commandLinePrefixAllowance 2822 limit = 32768 - commandLinePrefixAllowance
2823 else: 2823 else:
2824 # Using just SC_ARG_MAX without extra downwards adjustment 2824 # Using just SC_ARG_MAX without extra downwards adjustment
2825 # results in "[Errno 7] Argument list too long" on MacOS. 2825 # results in "[Errno 7] Argument list too long" on MacOS.
2826 commandLinePrefixAllowance -= 20000 2826 commandLinePrefixAllowance = 20000
2827 syslimit = os.sysconf('SC_ARG_MAX') 2827 syslimit = os.sysconf('SC_ARG_MAX')
2828 if syslimit == -1: 2828 if syslimit == -1:
2829 syslimit = 262144 # we could use sys.maxint but we prefer a more robust smaller value 2829 syslimit = 262144 # we could use sys.maxint but we prefer a more robust smaller value
2830 limit = syslimit - commandLinePrefixAllowance 2830 limit = syslimit - commandLinePrefixAllowance
2831 assert limit > 0 2831 assert limit > 0