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* use weak symbols for the POSIX functions that will be used by C threadsJens Gustedt2014-09-061-2/+6
| | | | | | | | | | The intent of this is to avoid name space pollution of the C threads implementation. This has two sides to it. First we have to provide symbols that wouldn't pollute the name space for the C threads implementation. Second we have to clean up some internal uses of POSIX functions such that they don't implicitly drag in such symbols.
* fix several locks that weren't updated right for new futex-based __lockRich Felker2012-07-121-2/+2
| | | | | | these could have caused memory corruption due to invalid accesses to the next field. all should be fixed now; I found the errors with fgrep -r '__lock(&', which is bogus since the argument should be an array.
* fix potential race condition in detached threadsRich Felker2012-07-111-2/+2
| | | | | | | after the thread unmaps its own stack/thread structure, the kernel, performing child tid clear and futex wake, could clobber a new mapping made at the same location as the just-removed thread's tid field. disable kernel clearing of child tid to prevent this.
* fix more instances of old a_xchg (use new a_swap name)Rich Felker2011-09-161-1/+1
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* initial check-in, version 0.5.0 v0.5.0Rich Felker2011-02-121-0/+11