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Rewrite spawn yet again

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The motivation here is that the bottom of each stack needs to contain a C++
try/catch block so that we can unwind. This is already the case for main, but
not spawned tasks.

Issue #236
This commit is contained in:
Brian Anderson
2011-09-06 14:03:20 -07:00
parent 1bd627039e
commit 25ae3d655c
8 changed files with 87 additions and 94 deletions
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26
src/rt/rust_builtin.cpp
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@@ -440,18 +440,24 @@ get_task_pointer(rust_task *task, rust_task_id id) {
return task->kernel->get_task_by_id(id);
}
extern "C" CDECL void
start_task(rust_task *task, rust_task_id id) {
rust_task * target = task->kernel->get_task_by_id(id);
target->start();
target->deref();
}
extern "C" void *task_trampoline asm("task_trampoline");
// FIXME: Transitional. Remove
extern "C" CDECL void **
get_task_trampoline(rust_task *task) {
return &task_trampoline;
return NULL;
}
struct fn_env_pair {
intptr_t f;
intptr_t env;
};
extern "C" CDECL uintptr_t get_spawn_wrapper();
extern "C" CDECL void
start_task(rust_task *task, rust_task_id id, fn_env_pair *f) {
rust_task *target = task->kernel->get_task_by_id(id);
target->start(get_spawn_wrapper(), f->f, f->env);
target->deref();
}
extern "C" CDECL void