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Adding a reference counter to the libunit port structure.

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The goal is to minimize the number of (pid, id) to port hash lookups which
require a library mutex lock.  The response port is found once per request,
while the read port is initialized at startup.
This commit is contained in:
Max Romanov
2020-08-11 19:20:06 +03:00
parent ec3389b63b
commit bf647588ff
3 changed files with 347 additions and 358 deletions
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12
go/nxt_cgo_lib.c
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@@ -15,9 +15,9 @@ static nxt_cgo_str_t *nxt_cgo_str_init(nxt_cgo_str_t *dst,
nxt_unit_sptr_t *sptr, uint32_t length);
static int nxt_cgo_add_port(nxt_unit_ctx_t *, nxt_unit_port_t *port);
static void nxt_cgo_remove_port(nxt_unit_t *, nxt_unit_port_t *port);
static ssize_t nxt_cgo_port_send(nxt_unit_ctx_t *, nxt_unit_port_id_t *port_id,
static ssize_t nxt_cgo_port_send(nxt_unit_ctx_t *, nxt_unit_port_t *port,
const void *buf, size_t buf_size, const void *oob, size_t oob_size);
static ssize_t nxt_cgo_port_recv(nxt_unit_ctx_t *, nxt_unit_port_id_t *port_id,
static ssize_t nxt_cgo_port_recv(nxt_unit_ctx_t *, nxt_unit_port_t *port,
void *buf, size_t buf_size, void *oob, size_t oob_size);
static void nxt_cgo_shm_ack_handler(nxt_unit_ctx_t *ctx);
@@ -123,19 +123,19 @@ nxt_cgo_remove_port(nxt_unit_t *unit, nxt_unit_port_t *port)
static ssize_t
nxt_cgo_port_send(nxt_unit_ctx_t *ctx, nxt_unit_port_id_t *port_id,
nxt_cgo_port_send(nxt_unit_ctx_t *ctx, nxt_unit_port_t *port,
const void *buf, size_t buf_size, const void *oob, size_t oob_size)
{
return nxt_go_port_send(port_id->pid, port_id->id,
return nxt_go_port_send(port->id.pid, port->id.id,
(void *) buf, buf_size, (void *) oob, oob_size);
}
static ssize_t
nxt_cgo_port_recv(nxt_unit_ctx_t *ctx, nxt_unit_port_id_t *port_id,
nxt_cgo_port_recv(nxt_unit_ctx_t *ctx, nxt_unit_port_t *port,
void *buf, size_t buf_size, void *oob, size_t oob_size)
{
return nxt_go_port_recv(port_id->pid, port_id->id,
return nxt_go_port_recv(port->id.pid, port->id.id,
buf, buf_size, oob, oob_size);
}