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Author SHA1 Message Date
Alexander Kornienko 208eecd57f Convenience/safety fix for llvm::sys::Execute(And|No)Wait 
Summary:
Change the type of the Redirects parameter of llvm::sys::ExecuteAndWait,
ExecuteNoWait and other APIs that wrap them from `const StringRef **` to
`ArrayRef<Optional<StringRef>>`, which is safer and simplifies the use of these
APIs (no more local StringRef variables just to get a pointer to).

Corresponding clang changes will be posted as a separate patch.

Reviewers: bkramer

Reviewed By: bkramer

Subscribers: vsk, llvm-commits

Differential Revision: https://reviews.llvm.org/D37563

llvm-svn: 313155
 2017-09-13 17:03:37 +00:00
Vedant Kumar 618d78ca40 Remove unused header, NFC. 
llvm-svn: 288407
 2016-12-01 19:38:48 +00:00
Sean Silva 1af7886abf Add a small "usage:" comment at the top of not.cpp 
Mostly pulled from Rafael's r185678 commit message.

llvm-svn: 222855
 2014-11-26 22:53:46 +00:00
Michael J. Spencer f9074b5a91 Use findProgramByName. 
llvm-svn: 221221
 2014-11-04 01:29:59 +00:00
Reid Kleckner 4377656e12 not: Only consider exit code 3 to be a crash with --crash 
This fixes Clang's test/Index/comment-xml-schema.c with Cygwin's
xmllint.exe, which uses exit(3) for XML validation failure.

llvm-svn: 211550
 2014-06-23 22:54:33 +00:00
NAKAMURA Takumi a2e405cb35 [Win32] Let utils/not aware of abort(), aka llvm_unreachable(), in msvcrt. 
It has exit code as 3. abort(), aka unreachable, may be handled as crash.

FIXME: Could we move this into Win32/Program.inc?
llvm-svn: 210895
 2014-06-13 12:23:56 +00:00
Craig Topper 66f09ad041 [C++11] Use 'nullptr'. 
llvm-svn: 210442
 2014-06-08 22:29:17 +00:00
Rafael Espindola 91487584c9 Add a --crash option to not. 
Now the two possible uses of not are
* not cmd
  Will return true if cmd doesn't crash and returns false.
* not --crash cmd
  Will return true if cmd crashes.

It will be used/tested in a followup commit for the clang crash recovery
testing.

llvm-svn: 185678
 2013-07-05 02:50:03 +00:00
Rafael Espindola 7c1023ad27 Avoid using PathV1.h in Program.h. 
llvm-svn: 183940
 2013-06-13 20:25:38 +00:00
Rafael Espindola 4c7ad8fc27 Have sys::FindProgramByName return a std::string. 
llvm-svn: 183928
 2013-06-13 19:25:37 +00:00
Rafael Espindola cb2eca0f91 Remove the program class. 
It was only used to implement ExecuteAndWait and ExecuteNoWait. Expose just
those two functions and make Execute and Wait implementations details.

llvm-svn: 183864
 2013-06-12 20:58:35 +00:00
Michael J. Spencer 447762da85 Merge System into Support. 
llvm-svn: 120298
 2010-11-29 18:16:10 +00:00
Dan Gohman b75ce4f816 not is testing for a normal exit with a non-zero value. It shouldn't 
return success if the child process is killed with a signal.

llvm-svn: 117701
 2010-10-29 20:20:29 +00:00
Daniel Dunbar 00dd448cff Add count/not tools as executables. 
- Apparently, I'm willing to do incredibly stupid things in the name of portability.

llvm-svn: 82685
 2009-09-24 06:23:57 +00:00