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* Use a Thread Information Block in both single and multi-threaded programs.guenther2016-05-071-48/+0
| | | | | | | | | | | | | | | | | This stores errno, the cancelation flags, and related bits for each thread and is allocated by ld.so or libc.a. This is an ABI break from 5.9-stable! Make libpthread dlopen'able by moving the cancelation wrappers into libc and doing locking and fork/errno handling via callbacks that libpthread registers when it first initializes. 'errno' *must* be declared via <errno.h> now! Clean up libpthread's symbol exports like libc. On powerpc, offset the TIB/TCB/TLS data from the register per the ELF spec. Testing by various, particularly sthen@ and patrick@ ok kettenis@
* Convert cpp | as rules in bsd.lib.mk and lib/libc/sys/Makefile.inc to pure ccpascal2012-08-221-2/+2
| | | | | | | invocations. This allows us to use the compiler builtin define __PIC__ to check for PIC/PIEness rather than passing -DPIC. Simplifies PIE work a lot. ok matthew@, conceptually ok kurt@
* Move __cerror to ___cerror with a weak alias so that rthreads can override it.guenther2011-04-041-3/+5
| | | | | | On mips64, also correct the name called from plain cerror to __cerror. "looks correct" miod@
* include whole SYS.h instead of just machine/asm.hmickey2004-06-101-2/+2
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* PICy stuffmickey2004-05-251-0/+46
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* this seem proper nowmickey1999-11-141-7/+0
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* some basic frameworkmickey1999-09-141-0/+7