llvm-svn: 121091

Unix bug spotted by Dan Gohman.

llvm-svn: 121090

llvm-svn: 120913

llvm-svn: 120870

llvm-svn: 120867

llvm-svn: 120827

llvm-svn: 120819

llvm-svn: 120818

llvm-svn: 120817

llvm-svn: 120800

llvm-svn: 120792

llvm-svn: 120790

llvm-svn: 120776

instead of toStringRef. The file system APIs need c strings.

llvm-svn: 120601

file creation APIs aren't implemented.

llvm-svn: 120593

llvm-svn: 120329

from LLVM forever:

grep -lR "llvm/System" * | grep -v .svn | xargs sed -ie 's#llvm/System#llvm/Support#g'

llvm-svn: 120314

llvm-svn: 120298

llvm-svn: 73710

llvm-svn: 73545

llvm-svn: 45418

llvm-svn: 32225

Add a Mutex class for thread synchronization in a platform-independent way.
The current implementation only supports pthreads. Win32 use of Critical
Sections will be added later. The design permits other threading models to
be used if (and only if) pthreads is not available.

llvm-svn: 22403

llvm-svn: 21704

llvm-svn: 21422

llvm-svn: 16288

"Program" operating system concept (find and execute programs).

llvm-svn: 16084

note individually but these essence of it is to not derive from
std::string, clarify the interface, and provide better documentation.
There is now also (untested) implementations for AIX, Darwin, and SunOS.

llvm-svn: 16078

llvm-svn: 16048