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gc: extend optimized mode to channel buffers (#10443)

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This commit is contained in:
Uwe Krüger
2021-06-14 17:12:47 +02:00
committed by GitHub
parent e5debbbe01
commit a8437584aa
5 changed files with 53 additions and 11 deletions
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38
vlib/sync/channels.v
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@@ -121,15 +121,19 @@ pub:
pub fn new_channel<T>(n u32) &Channel {
st := sizeof(T)
return new_channel_st(n, st)
if isreftype(T) {
return new_channel_st(n, st)
} else {
return new_channel_st_noscan(n, st)
}
}
fn new_channel_st(n u32, st u32) &Channel {
wsem := if n > 0 { n } else { 1 }
rsem := if n > 0 { u32(0) } else { 1 }
rbuf := if n > 0 { unsafe { malloc(int(n * st)) } } else { &byte(0) }
sbuf := if n > 0 { vcalloc(int(n * 2)) } else { &byte(0) }
mut ch := &Channel{
sbuf := if n > 0 { vcalloc_noscan(int(n * 2)) } else { &byte(0) }
mut ch := Channel{
objsize: st
cap: n
write_free: n
@@ -143,7 +147,33 @@ fn new_channel_st(n u32, st u32) &Channel {
ch.readsem.init(rsem)
ch.writesem_im.init(0)
ch.readsem_im.init(0)
return ch
return &ch
}
fn new_channel_st_noscan(n u32, st u32) &Channel {
$if gcboehm_opt ? {
wsem := if n > 0 { n } else { 1 }
rsem := if n > 0 { u32(0) } else { 1 }
rbuf := if n > 0 { unsafe { malloc_noscan(int(n * st)) } } else { &byte(0) }
sbuf := if n > 0 { vcalloc_noscan(int(n * 2)) } else { &byte(0) }
mut ch := Channel{
objsize: st
cap: n
write_free: n
read_avail: 0
ringbuf: rbuf
statusbuf: sbuf
write_subscriber: 0
read_subscriber: 0
}
ch.writesem.init(wsem)
ch.readsem.init(rsem)
ch.writesem_im.init(0)
ch.readsem_im.init(0)
return &ch
} $else {
return new_channel_st(n, st)
}
}
pub fn (ch &Channel) auto_str(typename string) string {