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/*
* Support code for cooperative coop/quick threads.
* Copyright (c) 1998, 1999 Cygnus Solutions.
*/
#include "boehm-config.h"
#ifdef QUICK_THREADS
#include "gc_priv.h"
#include "coop.h"
void GC_push_all_stacks (void)
{
coop_t *t;
ptr_t lo, hi;
t = coop_first_thread ();
if (t == NULL)
{
/* Threads haven't started, so mark the real stack. */
#ifdef STACK_GROWS_DOWN
GC_push_all_stack( GC_approx_sp(), GC_stackbottom );
#else
GC_push_all_stack( GC_stackbottom, GC_approx_sp() );
#endif
}
else
{
for ( ; t != NULL; t = coop_next_thread (t))
{
if (t == coop_global_curr)
lo = GC_approx_sp ();
else
{
lo = t->top;
/* LO can be NULL when the new thread has not yet been
used. */
if (! lo)
continue;
}
hi = t->base;
#ifdef STACK_GROWS_DOWN
GC_push_all_stack (lo, hi);
#else
GC_push_all_stack (hi, lo);
#endif
}
}
}
#endif /* QUICK_THREADS */
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