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* add pthread_atfork interfaceRich Felker2011-02-181-0/+1
| | | | | | | | | note that this presently does not handle consistency of the libc's own global state during forking. as per POSIX 2008, if the parent process was threaded, the child process may only call async-signal-safe functions until one of the exec-family functions is called, so the current behavior is believed to be conformant even if non-ideal. it may be improved at some later time.
* reorganize pthread data structures and move the definitions to alltypes.hRich Felker2011-02-171-0/+19
| | | | | | | | 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 arch-specific internal headers into placeRich Felker2011-02-154-637/+0
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* finish unifying thread register handling in preparation for portingRich Felker2011-02-151-8/+2
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* begin unifying clone/thread management interface in preparation for portingRich Felker2011-02-151-5/+3
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* cleaning up syscalls in preparation for x86_64 portRich Felker2011-02-131-9/+40
| | | | | | | | | - hide all the legacy xxxxxx32 name cruft in syscall.h so the actual source files can be clean and uniform across all archs. - cleanup llseek/lseek and mmap2/mmap handling for 32/64 bit systems - alternate implementation for nice if the target lacks nice syscall
* ensure that the compiler doesn't try to reorder around atomic opsRich Felker2011-02-121-13/+13
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* initial check-in, version 0.5.0 v0.5.0Rich Felker2011-02-1211-0/+852