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b72ca26740
Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Acked-by: Andreas Ericsson <ae@op5.se> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
33 lines
970 B
C
33 lines
970 B
C
#ifndef INCLUDE_git_thread_utils_h__
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#define INCLUDE_git_thread_utils_h__
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/*
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* How TLS works is compiler+platform dependant
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* Sources: http://en.wikipedia.org/wiki/Thread-Specific_Storage
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* http://predef.sourceforge.net/precomp.html
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*/
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#define GIT_HAS_TLS 1
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#if defined(__GNUC__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || \
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defined(__xlc__) || defined(__xlC__)
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# define GIT_TLS __thread
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#elif defined(__INTEL_COMPILER)
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# if defined(_WIN32) || defined(_WIN32_CE)
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# define GIT_TLS __declspec(thread)
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# else
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# define GIT_TLS __thread
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# endif
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#elif defined(_WIN32) || defined(_WIN32_CE) || defined(__BORLANDC__)
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# define GIT_TLS __declspec(thread)
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#else
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# undef GIT_HAS_TLS
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# define GIT_TLS /* nothing: tls vars are thread-global */
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#endif
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/* sparse and cygwin don't grok thread-local variables */
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#if defined(__CHECKER__) || defined(__CYGWIN__)
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# undef GIT_HAS_TLS
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# undef GIT_TLS
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# define GIT_TLS
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#endif
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#endif /* INCLUDE_git_thread_utils_h__ */
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