rt: Ports don't need to ref their tasks

brson · brson · commit 35e9970e29cf · 2012-03-17T17:56:15.000-07:00
Port lifetime is always bounded by their owning task
diff --git a/src/rt/rust_port.cpp b/src/rt/rust_port.cpp
@@ -10,14 +10,11 @@ rust_port::rust_port(rust_task *task, size_t unit_sz)
         "new rust_port(task=0x%" PRIxPTR ", unit_sz=%d) -> port=0x%"
         PRIxPTR, (uintptr_t)task, unit_sz, (uintptr_t)this);
 
-    task->ref();
     id = kernel->register_port(this);
 }
 
 rust_port::~rust_port() {
     LOG(task, comm, "~rust_port 0x%" PRIxPTR, (uintptr_t) this);
-
-    task->deref();
 }
 
 void rust_port::ref() {

Original file line number	Diff line number	Diff line change
`@@ -10,14 +10,11 @@ rust_port::rust_port(rust_task *task, size_t unit_sz)`
`10`	`10`	`"new rust_port(task=0x%" PRIxPTR ", unit_sz=%d) -> port=0x%"`
`11`	`11`	`PRIxPTR, (uintptr_t)task, unit_sz, (uintptr_t)this);`
`12`	`12`
`13`		`- task->ref();`
`14`	`13`	`id = kernel->register_port(this);`
`15`	`14`	`}`
`16`	`15`
`17`	`16`	`rust_port::~rust_port() {`
`18`	`17`	`LOG(task, comm, "~rust_port 0x%" PRIxPTR, (uintptr_t) this);`
`19`		`-`
`20`		`- task->deref();`
`21`	`18`	`}`
`22`	`19`
`23`	`20`	`void rust_port::ref() {`