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* support the ugly and deprecated ucontext and sigcontext header stuff...Rich Felker2011-02-181-0/+34
| | | | | | | | | | | | | | only the structures, not the functions from ucontext.h, are supported at this point. the main goal of this commit is to make modern gcc with dwarf2 unwinding build without errors. honestly, it probably doesn't matter how we define these as long as they have members with the right names to prevent errors while compiling libgcc. the only time they will be used is for propagating exceptions across signal-handler boundaries, which invokes undefined behavior anyway. but as-is, they're probably correct and may be useful to various low-level applications dealing with virtualization, jit code generation, and so on...
* reorganize pthread data structures and move the definitions to alltypes.hRich Felker2011-02-171-0/+15
| | | | | | | | this allows sys/types.h to provide the pthread types, as required by POSIX. this design also facilitates forcing ABI-compatible sizes in the arch-specific alltypes.h, while eliminating the need for developers changing the internals of the pthread types to poke around with arch-specific headers they may not be able to test.
* move stdio stuff that's not arch-specific out of bitsRich Felker2011-02-151-17/+0
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* fix the types of some integer constant limits in headersRich Felker2011-02-151-2/+2
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* fix some type leakage (timer_t) from x86_64 commitRich Felker2011-02-151-1/+1
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* split off arch-specific stdarg.h stuffRich Felker2011-02-151-0/+9
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* cleanup socketcall syscall interface to ease porting to sane(r) archsRich Felker2011-02-151-0/+7
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* preparing build system to handle ports - step 1Rich Felker2011-02-1528-0/+1497