From 447bb87e842b235705e8b92db2918df8eb50ac09 Mon Sep 17 00:00:00 2001 From: Lukas Larsson Date: Fri, 15 Feb 2013 16:37:52 +0100 Subject: invoke_read_line now remembers read_ahead settings --- erts/emulator/drivers/common/efile_drv.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'erts') diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c index 2279fec72a..22328fcd11 100644 --- a/erts/emulator/drivers/common/efile_drv.c +++ b/erts/emulator/drivers/common/efile_drv.c @@ -1160,7 +1160,14 @@ static void invoke_read_line(void *data) /* Need more place */ ErlDrvSizeT need = (d->c.read_line.read_size >= DEFAULT_LINEBUF_SIZE) ? d->c.read_line.read_size + DEFAULT_LINEBUF_SIZE : DEFAULT_LINEBUF_SIZE; - ErlDrvBinary *newbin = driver_alloc_binary(need); + ErlDrvBinary *newbin; +#if !ALWAYS_READ_LINE_AHEAD + /* Use read_ahead size if need does not exceed it */ + if (need < (d->c.read_line.binp)->orig_size && + d->c.read_line.read_ahead) + need = (d->c.read_line.binp)->orig_size; +#endif + newbin = driver_alloc_binary(need); if (newbin == NULL) { d->result_ok = 0; d->errInfo.posix_errno = ENOMEM; -- cgit v1.2.3