50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
#
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# SCons FSP locking type tester
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#
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# Version 1.0
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# 20-Jul-2009
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#
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from SCons.Script import ARGUMENTS
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def checkForLockingType(check,conf):
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"""check for available locking methods"""
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fun_lockf=conf.CheckFunc("lockf")
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fun_semop=conf.CheckFunc("semop")
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fun_shmget=conf.CheckFunc("shmget")
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fun_flock=conf.CheckFunc("flock")
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# select locking type
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check.Message("checking for FSP locking type")
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lt=ARGUMENTS.get('locking', 0) or ARGUMENTS.get("with-locking",0) or ARGUMENTS.get("lock",0) or ARGUMENTS.get("with-lock",0)
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if lt == "none":
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conf.env.Append(CPPFLAGS = '-DFSP_NOLOCKING')
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check.Result("none")
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elif lt == "lockf" and fun_lockf:
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conf.env.Append(CPPFLAGS = '-DFSP_USE_LOCKF')
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check.Result("lockf")
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elif lt == "semop" and fun_semop and fun_shmget:
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conf.env.Append(CPPFLAGS = '-DFSP_USE_SHAREMEM_AND_SEMOP')
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check.Result("semop and shmget")
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elif lt == "shmget" and fun_shmget and fun_lockf:
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conf.env.Append(CPPFLAGS = '-DFSP_USE_SHAREMEM_AND_LOCKF')
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check.Result("lockf and shmget")
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elif lt == "flock" and fun_flock:
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conf.env.Append(CPPFLAGS = '-DFSP_USE_FLOCK')
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check.Result("flock")
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# AUTODETECT best available locking type
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elif fun_semop and fun_shmget:
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conf.env.Append(CPPFLAGS = '-DFSP_USE_SHAREMEM_AND_SEMOP')
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check.Result("semop and shmget")
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elif fun_shmget and fun_lockf:
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conf.env.Append(CPPFLAGS = '-DFSP_USE_SHAREMEM_AND_LOCKF')
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check.Result("lockf and shmget")
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elif fun_lockf:
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conf.env.Append(CPPFLAGS = '-DFSP_USE_LOCKF')
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check.Result("lockf")
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elif fun_flock:
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conf.env.Append(CPPFLAGS = '-DFSP_USE_FLOCK')
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check.Result("flock")
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else:
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conf.env.Append(CPPFLAGS = '-DFSP_NOLOCKING')
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check.Result("none")
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