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Have Program::Wait return -2 for crashed and timeouts instead of embedding

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info in the error message. Per Dan's request.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131780 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2011-05-21 00:56:46 +00:00
parent 5c2256a571
commit dc5948d472
6 changed files with 23 additions and 31 deletions
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include/llvm/Support/Program.h
+5 -7
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@@ -85,8 +85,9 @@ namespace sys {
/// This function waits for the program to exit. This function will block
/// the current program until the invoked program exits.
/// @returns an integer result code indicating the status of the program.
/// A zero or positive value indicates the result code of the program. A
/// negative value is the signal number on which it terminated.
/// A zero or positive value indicates the result code of the program.
/// -1 indicates failure to execute
/// -2 indicates a crash during execution or timeout
/// @see Execute
/// @brief Waits for the program to exit.
int Wait
@@ -96,11 +97,9 @@ namespace sys {
///< expires, the child is killed and this call returns. If zero,
///< this function will wait until the child finishes or forever if
///< it doesn't.
std::string* ErrMsg, ///< If non-zero, provides a pointer to a string
std::string* ErrMsg ///< If non-zero, provides a pointer to a string
///< instance in which error messages will be returned. If the string
///< is non-empty upon return an error occurred while waiting.
const char *SignalPrefix ///< If non-zero, provides a prefix to be
///< prepended to ErrMsg if the process is terminated abnormally.
);
/// This function terminates the program.
@@ -139,8 +138,7 @@ namespace sys {
const sys::Path** redirects = 0,
unsigned secondsToWait = 0,
unsigned memoryLimit = 0,
std::string* ErrMsg = 0,
const char *SignalPrefix = 0);
std::string* ErrMsg = 0);
/// A convenience function equivalent to Program prg; prg.Execute(..);
/// @see Execute