boost/context
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fcontext uses 'void*' for data transfer

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This commit is contained in:
Oliver Kowalke
2015-11-28 22:58:36 +01:00
parent c70440f0ff
commit 4d68f47767
12 changed files with 134 additions and 246 deletions
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23
example/transfer.cpp
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@@ -26,31 +26,24 @@ ctx::fcontext_t fc1 = 0;
typedef std::pair< int, int > pair_t;
void f1( intptr_t param)
{
void f1( void * param) {
pair_t * p = ( pair_t *) param;
p = ( pair_t *) ctx::jump_fcontext( & fc1, fcm, ( intptr_t) ( p->first + p->second) );
ctx::jump_fcontext( & fc1, fcm, ( intptr_t) ( p->first + p->second) );
int res = p->first + p->second;
p = ( pair_t *) ctx::jump_fcontext( & fc1, fcm, & res);
res = p->first + p->second;
ctx::jump_fcontext( & fc1, fcm, & res);
}
int main( int argc, char * argv[])
{
int main( int argc, char * argv[]) {
stack_allocator alloc;
void * sp = alloc.allocate( stack_allocator::default_stacksize() );
fc1 = ctx::make_fcontext( sp, stack_allocator::default_stacksize(), f1);
pair_t p( std::make_pair( 2, 7) );
int res = ( int) ctx::jump_fcontext( & fcm, fc1, ( intptr_t) & p);
int res = * ( int *) ctx::jump_fcontext( & fcm, fc1, & p);
std::cout << p.first << " + " << p.second << " == " << res << std::endl;
p = std::make_pair( 5, 6);
res = ( int) ctx::jump_fcontext( & fcm, fc1, ( intptr_t) & p);
res = * ( int *) ctx::jump_fcontext( & fcm, fc1, & p);
std::cout << p.first << " + " << p.second << " == " << res << std::endl;
std::cout << "main: done" << std::endl;
return EXIT_SUCCESS;
}