fix bug,channel receiver in debug is blocked by self io

[zmrush]

channel receiver in wait_pid function would be blocked by self io opertion

[zmrush]

@Burning1020 ,can u help for this commit

[Burning1020]

@zmrush How did you exec into the vm? There is no keywords when connected to hvsock until input CONNECT 1025.

[zmrush]

@zmrush How did you exec into the vm? There is no keywords when connected to hvsock until input CONNECT 1025.

i dont understand your question. but i think exec into vm has nothing to do with 'input connect 1025 using the io'. In other words, it has already exec into the vm?

[zmrush]

@zmrush How did you exec into the vm? There is no keywords when connected to hvsock until input CONNECT 1025.

i dont understand your question. but i think exec into vm has nothing to do with 'input connect 1025 using the io'. In other words, it has already exec into the vm?

@Burning1020

[Burning1020]

@zmrush Sorry, maybe I was misunderstood. So what's the specific problem you got? What's the influence of blocking receiver? Please give more details.

[zmrush]

@zmrush Sorry, maybe I was misunderstood. So what's the specific problem you got? What's the influence of blocking receiver? Please give more details.

@Burning1020 blocking receiver may cause memory increase unexpectedly.

[Burning1020]

@Burning1020 blocking receiver may cause memory increase unexpectedly.

OK, so how to reproduce it? I'd like to investigate it