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bin: add support for SPOT_OOM_ABORT

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* bin/common_setup.cc: Here.
* NEWS, bin/man/spot-x.x: Document it.
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Alexandre Duret-Lutz 2017-11-15 14:38:07 +01:00
parent b20687630b
commit 42a94c4dbe
3 changed files with 28 additions and 0 deletions
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13
bin/man/spot-x.x
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@ -99,6 +99,19 @@ in third-party tools that output incorrect HOA (e.g., declaring
the automaton with property "univ-branch" when no universal branching
is actually used)
.TP
\fBSPOT_OOM_ABORT\fR
If this variable is set, Out-Of-Memory errors will \f(CWabort()\fR the
program (potentially generating a coredump) instead of raising an
exception. This is useful to debug a program and to obtain a stack
trace pointing to the function doing the allocation. When this
variable is unset (the default), \f(CWstd::bad_alloc\fR are thrown on
memory allocation failures, and the stack is usually unwinded up to
top-level, losing the original context of the error. Note that at
least \f(CWltlcross\fR has some custom handling of
\f(CWstd::bad_alloc\fR to recover from products that are too large (by
ignoring them), and setting this variable will interfer with that.
.TP
\fBSPOT_PR_CHECK\fR
Select the default algorithm that must be used to check the persistence