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152 Commits

Author SHA1 Message Date
Anton Korobeynikov d01defedf6 Add possibility to set memory limit for binaries run via libSystem. This 
is especially needed for bugpoint. This partly implements PR688

llvm-svn: 34349
 2007-02-16 19:11:07 +00:00
Reid Spencer 1792326daf Eliminate "control reaches end of non-void function" warnings. 
llvm-svn: 32225
 2006-12-05 17:53:26 +00:00
Chris Lattner a4f1e8f6b8 Use new config.h macro 
llvm-svn: 30321
 2006-09-14 06:21:59 +00:00
Chris Lattner 2f107cfc0d On Mac OS/X, make Process::PreventCoreFiles disable crash reporter for 
the process in addition to disabling core file emission.  This speeds up
bugpoint on default-configured macs by several orders of magnitude.

llvm-svn: 30317
 2006-09-14 06:01:41 +00:00
Reid Spencer 50eac3b8ab For PR797: 
Make the Win32 code exception free (untested/uncompiled) which forced some
interface changes which had ripple effect. This should be the last of 797.

llvm-svn: 29884
 2006-08-25 21:37:17 +00:00
Reid Spencer e4ca722199 For PR797: 
Final removal of exceptions from lib/System and adjustment of users to
accommodate.

llvm-svn: 29846
 2006-08-23 20:34:57 +00:00
Reid Spencer 879ed5ab9c For PR797: 
Eliminate exception throwing from Path::renamePathOnDisk and adjust its
users correspondingly.

llvm-svn: 29843
 2006-08-23 07:30:48 +00:00
Reid Spencer 51edba15c6 For PR797: 
Remove exception throwing from Path::getDirectoryContents and its users.

llvm-svn: 29841
 2006-08-23 06:56:27 +00:00
Reid Spencer 8db844241b For PR797: 
Remove exceptions from the Path::create*OnDisk methods. Update their users
to handle error messages via arguments and result codes.

llvm-svn: 29840
 2006-08-23 00:39:35 +00:00
Reid Spencer 9d2f19c7e4 For PR797: 
Change the Path::make*OnDisk methods exception free and adjust their usage.

llvm-svn: 29836
 2006-08-22 23:27:23 +00:00
Reid Spencer 6ba87bbfd3 Make the sys::Path::GetTemporaryDirectory method not throw exceptions and 
adjust users of it to compensate.

llvm-svn: 29831
 2006-08-22 19:01:30 +00:00
Reid Spencer b1f9935407 Don't throw needlessly. Failure of gettimeofday is *very* unlinkely so 
just return MinTime if that should ever happen.

llvm-svn: 29826
 2006-08-22 17:38:44 +00:00
Reid Spencer df1297dd3a For PR797: 
Make MappedFile not throw any exceptions.

llvm-svn: 29816
 2006-08-22 16:04:22 +00:00
Reid Spencer 8a77bb9815 For PR797: 
Fix a bug in my last patch that botched file redirection by using explicit
scoping of if statements.

llvm-svn: 29815
 2006-08-22 15:56:52 +00:00
Reid Spencer 6ad2a91fb3 Make an error message a little more intelligible. 
llvm-svn: 29808
 2006-08-22 05:28:38 +00:00
Reid Spencer 42bcf6ea76 For PR797: 
Remove all exception code from Program.inc and implement its new interface
with an ErrMsg string argument.

llvm-svn: 29790
 2006-08-21 06:02:44 +00:00
Reid Spencer c295914b7a For PR797: 
Make sys::Program::ExecuteAndWait not throw exceptions and update any
affected code. It now return -9999 to signal that the program couldn't be
executed. Only one case (in bugpoint) actually examines the result code.

llvm-svn: 29785
 2006-08-21 02:04:43 +00:00
Reid Spencer d6f8b1c70a Remove extraneous #include. 
llvm-svn: 29541
 2006-08-07 05:36:24 +00:00
Reid Spencer 448e2460e0 Make the removal of files use Path::eraseFromDisk just like it does for 
the removal of directories. Using std::remove is indiscriminate and can
lead to the removal of things like /dev/null if run as root. The
Path::eraseFromDisk method ensures that we only ever remove regular files
or directories, but never character or block special nodes.  This should
clear up the problem with usage like: llvm-as -o /dev/null which is used
in the llvm-test makefiles.

llvm-svn: 29540
 2006-08-07 05:34:08 +00:00
Reid Spencer 5f9e301521 Add a note about how the "isFile" check in Path::eraseFromDisk prevents 
the erasure of non-file paths like /dev/null.

llvm-svn: 29539
 2006-08-07 05:20:05 +00:00
Chris Lattner 7dbd783e90 Remove some now-dead methods. Use getFileStatus instead. 
llvm-svn: 29447
 2006-08-01 18:16:02 +00:00
Chris Lattner 80df7c4651 Use getFileStatus instead of Path::isDirectory(). 
llvm-svn: 29443
 2006-08-01 17:59:14 +00:00
Chris Lattner be119d4386 elimiante some syscalls 
llvm-svn: 29442
 2006-08-01 17:51:09 +00:00
Chris Lattner 60c5064538 Modify setStatusInfoOnDisk to not throw an exception. 
llvm-svn: 29402
 2006-07-28 22:36:17 +00:00
Chris Lattner 3cec109967 Modify Path::eraseFromDisk to not throw an exception. 
llvm-svn: 29400
 2006-07-28 22:29:50 +00:00
Chris Lattner 4857253d98 Change Path::getStatusInfo to return a boolean and error string on an error 
instead of throwing an exception.  This reduces the amount of code that is
exposed to exceptions (e.g. FileUtilities), though it is clearly only one step
along the way.

llvm-svn: 29395
 2006-07-28 22:03:44 +00:00
Chris Lattner 9c6c94a806 simple optimization: don't bother calling "exists" (which calls the syscall 
"access").  Instead, just let the open call fail if the file doesn't exist.
This reduces the # syscalls executed.

llvm-svn: 29173
 2006-07-18 07:07:51 +00:00
Chris Lattner 4a5641525d Remove a dead conditional: info_ can only be allocated if FD is good. Improve 
spacing

llvm-svn: 29172
 2006-07-18 07:03:14 +00:00
Chris Lattner 7bc8197032 The only entry in the stat buf this code cares about is the size. Keep just 
the size, not the whole stat buffer.

llvm-svn: 29171
 2006-07-18 07:01:08 +00:00
Chris Lattner fe5b7fe6d9 Reduce code in the error path by only allocating info_ if everything looks 
good.

llvm-svn: 29170
 2006-07-18 06:57:51 +00:00
Chris Lattner 3eb42b7d14 Unindent some code 
llvm-svn: 29169
 2006-07-18 06:52:52 +00:00
Chris Lattner 78731ab1b8 Turn an if into an else if. 
llvm-svn: 29129
 2006-07-12 22:37:18 +00:00
Chris Lattner 0b2890e390 no need to do a stat then an lstat. lstat will tell us if normal files don't exist. 
llvm-svn: 29068
 2006-07-07 21:21:06 +00:00
Chris Lattner 5a9d2e5a0a Change AllocateRWX/DeallocateRWX to not throw an exception. 
llvm-svn: 29058
 2006-07-07 17:32:37 +00:00
Reid Spencer 57e8e38a6f Only print the stack trace if it was requested. Previously, any call into 
the Signals module that registered the handlers would cause the stack trace
to be generated. Now, you must explicitly call PrintStackTraceOnErrorSignal
in order for that to happen.

llvm-svn: 28810
 2006-06-16 00:00:57 +00:00
Evan Cheng 09cf82992b Don't pull in environ, not always safe. Global variables are bad anyway. 
Use execve when explicit environment variables ptr is available. Otherwise
just use execv.

llvm-svn: 28740
 2006-06-09 20:43:11 +00:00
Reid Spencer ab97f22ccc For PR787: 
Provide new llvm::sys::Program facilities for converting the stdout and
stdin to binary mode. There is no standard way to do this and the available
mechanisms are platform specific. Adjust the bytecode reader and writer to
use these methods when their input is stdin or output is stdout. THis avoids
the problem with \n writing CRLF to a bytecode file on windows.

Patch Contributed by Michael Smith.

llvm-svn: 28722
 2006-06-07 23:18:34 +00:00
Chris Lattner f64397ba1a This function is not documented as throwing an exception and callers don't 
handle it.  Just silently fail.

llvm-svn: 28291
 2006-05-14 18:53:09 +00:00
Chris Lattner 227d442d01 Fix accidentally committed patch. 
llvm-svn: 28260
 2006-05-12 18:20:39 +00:00
Chris Lattner 1971e8a77b Fix iterator invalidation bug, identified by Coverity. 
llvm-svn: 28257
 2006-05-12 18:13:11 +00:00
Reid Spencer ccd5b90f58 For PR351: 
* Allow the ExecuteAndWait to return negative values if a signal is
  detected as the reason for the child termination. This is needed to
  support bugpoint detecting bad things in its child processes.

llvm-svn: 24960
 2005-12-22 20:00:16 +00:00
Reid Spencer 3493dab23b Implement a generic polled Alarm function. This merely removes the system 
dependent portion of the lib/Support/SlowOperationTimer code into the
lib/System implementation where it can be ported to different platforms.

llvm-svn: 24937
 2005-12-22 03:23:46 +00:00
Chris Lattner 16cbc6a177 instead of using mstats, use malloc_zone_statistics which returns numbers 
that actually make sense.

llvm-svn: 24352
 2005-11-14 07:27:56 +00:00
Chris Lattner 698fa760f4 Teach -track-memory to work on darwin. Looking at sbrk doesn't work because 
the default allocator uses mmap.

llvm-svn: 24349
 2005-11-14 07:00:29 +00:00
Chris Lattner 6a5d6ecd09 Implement sys::SetInterruptFunction on Unix, stub it on win32 so that the 
build will not fail

llvm-svn: 22578
 2005-08-02 02:14:22 +00:00
Andrew Lenharth 0940218cca support near allocations for the JIT 
llvm-svn: 22554
 2005-07-29 23:40:16 +00:00
Reid Spencer 29f83e0997 Fix a problem in getDirectoryContents where sub-directory names were 
appended to a path string that didn't end in a slash, yielding invalid
path names.

Path contribute by Nicholas Riley.

llvm-svn: 22539
 2005-07-28 16:25:57 +00:00
Reid Spencer f404981bf2 For PR540: 
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
 2005-07-12 15:37:43 +00:00
Jeff Cohen 5b106d0fed 1. Fix bug in getBaseName where it mishandles suffixes 
2. Fix bug in eraseSuffix where it allows /path/.suffix to become /path/

llvm-svn: 22362
 2005-07-09 18:42:02 +00:00
Reid Spencer 2d85f5697d Ensure that functions like isDirectory don't fail if the file doesn't 
exist but just return false instead.

llvm-svn: 22361
 2005-07-08 17:46:10 +00:00