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channels: Use default allocator. #77

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Aug 28, 2024
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channels: Use default allocator. #77

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9 changes: 4 additions & 5 deletions threading/channels.nim
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Original file line number Diff line number Diff line change
Expand Up @@ -101,7 +101,6 @@ when not (defined(gcArc) or defined(gcOrc) or defined(gcAtomicArc) or defined(ni
{.error: "This module requires one of --mm:arc / --mm:atomicArc / --mm:orc compilation flags".}

import std/[locks, isolation, atomics]
import system/ansi_c

# Channel
# ------------------------------------------------------------------------------
Expand Down Expand Up @@ -151,10 +150,10 @@ template isEmpty(chan: ChannelRaw): bool =
# ------------------------------------------------------------------------------

proc allocChannel(size, n: int): ChannelRaw =
result = cast[ChannelRaw](c_malloc(csize_t sizeof(ChannelObj)))
result = cast[ChannelRaw](allocShared(sizeof(ChannelObj)))

# To buffer n items, we allocate for n
result.buffer = cast[ptr UncheckedArray[byte]](c_malloc(csize_t n*size))
result.buffer = cast[ptr UncheckedArray[byte]](allocShared(n*size))

initLock(result.lock)
initCond(result.spaceAvailableCV)
Expand All @@ -170,13 +169,13 @@ proc freeChannel(chan: ChannelRaw) =
return

if not chan.buffer.isNil:
c_free(chan.buffer)
deallocShared(chan.buffer)

deinitLock(chan.lock)
deinitCond(chan.spaceAvailableCV)
deinitCond(chan.dataAvailableCV)

c_free(chan)
deallocShared(chan)

# MPMC Channels (Multi-Producer Multi-Consumer)
# ------------------------------------------------------------------------------
Expand Down
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