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* Change the library include fileVicent Marti2010-12-061-56/+0
| | | | | | | | | | | | Libgit2 is now officially include as #include "<git2.h>" or indidividual files may be included as #include <git2/index.h> Signed-off-by: Vicent Marti <tanoku@gmail.com>
* Cleanup our header inclusion order to ensure pthread.h is earlyShawn O. Pearce2008-12-311-1/+10
| | | | | | | | If we are using threads we need to make sure pthread.h comes in before just about anything else. Some platforms enable macros that alter what other headers define. Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
* Support building on Mac OS X by using pthread_getspecific for TLSShawn O. Pearce2008-12-301-3/+12
| | | | | | | | | | | | | | | | | | The Mach-O format does not permit gcc to implement the __thread TLS specification, so we must instead emulate it using a single int cell allocated from memory and stored inside of the thread specific data associated with the current pthread. What makes this tricky is git_errno must be a valid lvalue, so we really need to return a pointer to the caller and deference it as part of the git_errno macro. The GCC-specific __attribute__((constructor)) extension is used to ensure the pthread_key_t is allocated before any Git functions are executed in the library, as this is necessary to access our thread specific storage. Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
* Cleanup formatting in our head files to be more consistentShawn O. Pearce2008-12-301-0/+6
| | | | Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
* Diasble TLS on cygwinRamsay Jones2008-12-021-2/+2
| | | | | | 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>
* Use __CHECKER__ to detect when sparse is runningRamsay Jones2008-12-021-1/+1
| | | | | | 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>
* Add an embryo of a TLS-aware error handling systemAndreas Ericsson2008-11-221-0/+7
| | | | | | | | | | | | | | | | This adds the per-thread global variable git_errno to the system, which callers can examine to get information about an error. Two helper functions are added to reduce LoC-count for the library code itself. Also, some exceptions are made for running sparse on GIT_TLS definitions, since it doesn't grok thread-local variables at all. Signed-off-by: Andreas Ericsson <ae@op5.se> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
* Add compiler/platform agnostic thread-local storageAndreas Ericsson2008-11-181-0/+25
It doesn't cover all cases, but we can work on those as we go along. For now, gcc, MSVC++, Intel C/C++, IBM XL C/C++, Sun Studio C/C++ and Borland C++ Builder are the supported compilers (although we boldly assume that they all are of a recent enough version to support thread-local storage). This is intended to be used in upcoming patches that implement graceful (but TLS-dependant) error-handling in the library. As an added bonus, we also bring the online_cpus() function from git.git to detect the number of usable cpu's. Signed-off-by: Andreas Ericsson <ae@op5.se> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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