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Author SHA1 Message Date
Ismail Pazarbasi 87f4c90a5c Unix/BSD system calls are prefixed with SYS_ on FreeBSD and Mac 
Also, __syscall form should be used when one or more of the
parameters is a 64-bit argument to ensure that argument alignment
is correct.

llvm-svn: 230183
 2015-02-22 22:01:09 +00:00
Alexey Samsonov 78a6d2073f [FreeBSD] Port sanitizers' syscalls. 
Patch by Viktor Kutuzov!

llvm-svn: 203227
 2014-03-07 10:03:54 +00:00
Peter Collingbourne 6f4be19b57 [nolibc] Change internal syscall API to remove reliance on libc's errno. 
This change moves to a model where the error value of a system call is
potentially contained in the return value itself rather than being
implicit in errno.  The helper function internal_iserror can be used
to extract the error value from a return value.  On platforms other
than Linux/x86_64 this still uses errno, but other platforms are free
to port their error handling to this new model.

Differential Revision: http://llvm-reviews.chandlerc.com/D756

llvm-svn: 181436
 2013-05-08 14:43:49 +00:00