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14 Commits

Author SHA1 Message Date
Rafael Espindola a6e9c3e43a Remove system_error.h. 
This is a minimal change to remove the header. I will remove the occurrences
of "using std::error_code" in a followup patch.

llvm-svn: 210803
 2014-06-12 17:38:55 +00:00
Peter Collingbourne ec1aacaf5c Fix the behavior of ExecuteAndWait with a non-zero timeout. 
llvm-svn: 209951
 2014-05-31 01:36:02 +00:00
Tareq A. Siraj d88b9832c8 Add non-blocking Wait() for launched processes 
- New ProcessInfo class to encapsulate information about child processes.
- Generalized the Wait() to support non-blocking wait on child processes.
- ExecuteNoWait() now returns a ProcessInfo object with information about
  the launched child. Users will be able to use this object to
  perform non-blocking wait.
- ExecuteNoWait() now accepts an ExecutionFailed param that tells if execution
  failed or not.

These changes will allow users to implement basic process parallel
tools.

Differential Revision: http://llvm-reviews.chandlerc.com/D1728

llvm-svn: 191763
 2013-10-01 14:28:18 +00:00
Rafael Espindola b0a5c96379 Replace use of PathV1.h in Program.cpp. 
llvm-svn: 183996
 2013-06-14 19:38:45 +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 6828fe475a Add a version of sys::ExecuteAndWait that takes StringRefs. 
llvm-svn: 183934
 2013-06-13 20:06:28 +00:00
Reid Kleckner 6e6a0f50b3 [Support] Fix handle and memory leak for processes that are not waited for 
Execute's Data parameter is now optional, so we won't allocate memory
for it on Windows and we'll close the process handle.

The Unix code should probably do something similar to avoid accumulation
of zombie children that haven't been waited on.

Tested on Linux and Windows.

llvm-svn: 183906
 2013-06-13 15:27:17 +00:00
Aaron Ballman 54e9bd2239 Zero-initializing variables; fixes a build breakage introduced in r183864. 
llvm-svn: 183904
 2013-06-13 14:39:07 +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
Chad Rosier 654190a12d Add a boolean parameter to the ExecuteAndWait static function to indicated 
if execution failed.  ExecuteAndWait returns -1 upon an execution failure, but
checking the return value isn't sufficient because the wait command may
return -1 as well.  This new parameter is to be used by the clang driver in a
subsequent commit.
Part of rdar://13362359

llvm-svn: 178087
 2013-03-26 23:35:00 +00:00
Michael J. Spencer a2755f8efa Support/Program: Make Change<stream>ToBinary return error_code. 
llvm-svn: 146522
 2011-12-13 23:16:49 +00:00
Andrew Trick d5d0764b3b Have Program::Wait return -2 for crashed and timeouts instead of embedding 
info in the error message. Per Dan's request.

llvm-svn: 131780
 2011-05-21 00:56:46 +00:00
Andrew Trick 55aeb55aa3 Bugpoint support for miscompilations that result in a crash. 
This change allows bugpoint to pinpoint the "opt" pass and bitcode
segment responsible for a crash caused by miscompilation. At least it
works well for me now, without having to create any custom execution
wrappers.

llvm-svn: 131186
 2011-05-11 16:31:24 +00:00
Michael J. Spencer 447762da85 Merge System into Support. 
llvm-svn: 120298
 2010-11-29 18:16:10 +00:00