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docs: update comment docs for GetG

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This commit is contained in:
Derek Parker
2015-12-16 17:16:59 -08:00
parent 359f252801
commit ab77435223
1 changed files with 2 additions and 3 deletions
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5
proc/threads.go
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@ -246,9 +246,8 @@ func (thread *Thread) SetPC(pc uint64) error {
// Returns information on the G (goroutine) that is executing on this thread.
//
// The G structure for a thread is stored in thread local memory. Execute instructions
// that move the *G structure into a CPU register, and then grab
// the new registers and parse the G structure.
// The G structure for a thread is stored in thread local storage. Here we simply
// calculate the address and read and parse the G struct.
//
// We cannot simply use the allg linked list in order to find the M that represents
// the given OS thread and follow its G pointer because on Darwin mach ports are not