mirror of
https://gcc.gnu.org/git/gcc.git
synced 2024-11-27 22:03:57 +08:00
56 lines
960 B
C
56 lines
960 B
C
/*
|
|
* 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 */
|