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* fix invalid access in aio notificationRich Felker2013-06-161-1/+1
| | | | | | | issue found and patch provided by Jens Gustedt. after the atomic store to the error code field of the aiocb, the application is permitted to free or reuse the storage, so further access is invalid. instead, use the local copy that was already made.
* clean up sloppy nested inclusion from pthread_impl.hRich Felker2012-11-081-0/+3
| | | | | | | | | | | | | | this mirrors the stdio_impl.h cleanup. one header which is not strictly needed, errno.h, is left in pthread_impl.h, because since pthread functions return their error codes rather than using errno, nearly every single pthread function needs the errno constants. in a few places, rather than bringing in string.h to use memset, the memset was replaced by direct assignment. this seems to generate much better code anyway, and makes many functions which were previously non-leaf functions into leaf functions (possibly eliminating a great deal of bloat on some platforms where non-leaf functions require ugly prologue and/or epilogue).
* stupid typo (caused by rather ugly spelling in POSIX..) in aioRich Felker2011-09-281-1/+1
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* fix return types for aio_read and aio_write againRich Felker2011-09-131-2/+2
| | | | | previous fix was backwards and propagated the wrong type rather than the right one...
* implement POSIX asynchronous ioRich Felker2011-09-091-0/+104
some features are not yet supported, and only minimal testing has been performed. should be considered experimental at this point.