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/*
These routines customise the error messages
for various bits of the RTS. They are linked
in instead of the defaults.
*/
#include "../rts/PosixSource.h"
/*
* This should be linked against Rts.h from the compiler which is compiling us.
* For instance, if we are compiling this file to produce the stage1 compiler,
* we should use Rts.h from stage0.
*/
#include "Rts.h"
#include "HsFFI.h"
#include <string.h>
#include <stdbool.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
void
initGCStatistics(void)
{
/* Workaround for #8754: if the GC stats aren't enabled because the
compiler couldn't use -Bsymbolic to link the default hooks, then
initialize them sensibly. See Note [-Bsymbolic and hooks] in
Main.hs. */
if (RtsFlags.GcFlags.giveStats == NO_GC_STATS) {
RtsFlags.GcFlags.giveStats = COLLECT_GC_STATS;
}
}
void
defaultsHook (void)
{
// This helps particularly with large compiles, but didn't work
// very well with earlier GHCs because it caused large amounts of
// fragmentation. See rts/sm/BlockAlloc.c:allocLargeChunk().
RtsFlags.GcFlags.heapSizeSuggestionAuto = true;
RtsFlags.GcFlags.maxStkSize = 512*1024*1024 / sizeof(W_);
initGCStatistics();
// See #3408: the default idle GC time of 0.3s is too short on
// Windows where we receive console events once per second or so.
RtsFlags.GcFlags.idleGCDelayTime = SecondsToTime(5);
}
void
StackOverflowHook (StgWord stack_size) /* in bytes */
{
fprintf(stderr,
"GHC stack-space overflow: current limit is %zu bytes.\n"
"Use the `-K<size>' option to increase it.\n",
(size_t) stack_size);
}
int main (int argc, char *argv[])
{
RtsConfig conf = defaultRtsConfig;
#if __GLASGOW_HASKELL__ >= 711
conf.defaultsHook = defaultsHook;
conf.rts_opts_enabled = RtsOptsAll;
conf.stackOverflowHook = StackOverflowHook;
#endif
extern StgClosure ZCMain_main_closure;
hs_main(argc, argv, &ZCMain_main_closure, conf);
}
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