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-rw-r--r--erts/emulator/beam/io.c229
1 files changed, 3 insertions, 226 deletions
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index f93b599632..d8f5e7c4b9 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -364,9 +364,8 @@ static Port *create_port(char *name,
ERTS_P_LINKS(prt) = NULL;
ERTS_P_MONITORS(prt) = NULL;
prt->linebuf = NULL;
- prt->bp = NULL;
prt->suspended = NULL;
- prt->data = am_undefined;
+ erts_init_port_data(prt);
prt->port_data_lock = NULL;
prt->control_flags = 0;
prt->bytes_in = 0;
@@ -3371,11 +3370,8 @@ terminate_port(Port *prt)
erts_free(ERTS_ALC_T_LINEBUF, (void *) prt->linebuf);
prt->linebuf = NULL;
}
- if (prt->bp != NULL) {
- free_message_buffer(prt->bp);
- prt->bp = NULL;
- prt->data = am_undefined;
- }
+
+ erts_cleanup_port_data(prt);
if (prt->psd)
erts_free(ERTS_ALC_T_PRTSD, prt->psd);
@@ -4502,225 +4498,6 @@ erts_port_info(Process* c_p,
port_sig_info);
}
-static int
-port_sig_set_data(Port *prt,
- erts_aint32_t state,
- int op,
- ErtsProc2PortSigData *sigdp)
-{
- ASSERT(sigdp->flags & ERTS_P2P_SIG_DATA_FLG_REPLY);
-
- if (op == ERTS_PROC2PORT_SIG_EXEC) {
- if (prt->bp)
- free_message_buffer(prt->bp);
- prt->bp = sigdp->u.set_data.bp;
- prt->data = sigdp->u.set_data.data;
- port_sched_op_reply(sigdp->caller, sigdp->ref, am_true);
- }
- else {
- if (sigdp->u.set_data.bp)
- free_message_buffer(sigdp->u.set_data.bp);
- port_sched_op_reply(sigdp->caller, sigdp->ref, am_badarg);
- }
- return ERTS_PORT_REDS_SET_DATA;
-}
-
-ErtsPortOpResult
-erts_port_set_data(Process* c_p,
- Port *prt,
- Eterm data,
- Eterm *refp)
-{
- ErtsPortOpResult res;
- Eterm set_data;
- ErlHeapFragment *bp;
- ErtsProc2PortSigData *sigdp;
- ErtsTryImmDrvCallResult try_call_res;
- ErtsTryImmDrvCallState try_call_state
- = ERTS_INIT_TRY_IMM_DRV_CALL_STATE(
- c_p,
- prt,
- ERTS_PORT_SFLGS_INVALID_LOOKUP,
- 0,
- !refp,
- am_set_data);
-
- if (is_immed(data)) {
- set_data = data;
- bp = NULL;
- }
- else {
- Eterm *hp;
- Uint sz = size_object(data);
- bp = new_message_buffer(sz);
- hp = bp->mem;
- set_data = copy_struct(data, sz, &hp, &bp->off_heap);
- }
-
- try_call_res = try_imm_drv_call(&try_call_state);
- switch (try_call_res) {
- case ERTS_TRY_IMM_DRV_CALL_OK:
- if (prt->bp)
- free_message_buffer(prt->bp);
- prt->bp = bp;
- prt->data = set_data;
- finalize_imm_drv_call(&try_call_state);
- BUMP_REDS(c_p, ERTS_PORT_REDS_SET_DATA);
- return ERTS_PORT_OP_DONE;
- case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT:
- return ERTS_PORT_OP_DROPPED;
- case ERTS_TRY_IMM_DRV_CALL_INVALID_SCHED_FLAGS:
- case ERTS_TRY_IMM_DRV_CALL_BUSY_LOCK:
- /* Schedule call instead... */
- break;
- }
-
- sigdp = erts_port_task_alloc_p2p_sig_data();
- sigdp->flags = ERTS_P2P_SIG_TYPE_SET_DATA;
- sigdp->u.set_data.data = set_data;
- sigdp->u.set_data.bp = bp;
-
- res = erts_schedule_proc2port_signal(c_p,
- prt,
- c_p->common.id,
- refp,
- sigdp,
- 0,
- port_sig_set_data);
- if (res != ERTS_PORT_OP_SCHEDULED && bp)
- free_message_buffer(bp);
- return res;
-}
-
-static int
-port_sig_get_data(Port *prt,
- erts_aint32_t state,
- int op,
- ErtsProc2PortSigData *sigdp)
-{
- ASSERT(sigdp->flags & ERTS_P2P_SIG_DATA_FLG_REPLY);
- if (op != ERTS_PROC2PORT_SIG_EXEC)
- port_sched_op_reply(sigdp->caller, sigdp->ref, am_badarg);
- else {
- Process *rp;
- ErtsProcLocks rp_locks = 0;
-
- rp = erts_proc_lookup_raw(sigdp->caller);
- if (rp) {
- Uint hsz;
- Eterm *hp, *hp_start;
- Eterm data, msg;
- ErlHeapFragment *bp;
- ErlOffHeap *ohp;
-
- hsz = ERTS_QUEUE_PORT_SCHED_OP_REPLY_SIZE;
- hsz += 3;
- if (prt->bp)
- hsz += prt->bp->used_size;
-
- hp_start = hp = erts_alloc_message_heap(hsz,
- &bp,
- &ohp,
- rp,
- &rp_locks);
-
- if (is_immed(prt->data))
- data = prt->data;
- else
- data = copy_struct(prt->data,
- prt->bp->used_size,
- &hp,
- &bp->off_heap);
-
-
-
- msg = TUPLE2(hp, am_ok, data);
- hp += 3;
-
- queue_port_sched_op_reply(rp,
- &rp_locks,
- hp_start,
- hp,
- hsz,
- bp,
- sigdp->ref,
- msg);
- if (rp_locks)
- erts_smp_proc_unlock(rp, rp_locks);
- }
- }
- return ERTS_PORT_REDS_GET_DATA;
-}
-
-ErtsPortOpResult
-erts_port_get_data(Process* c_p,
- Port *prt,
- Eterm *retvalp)
-{
- ErtsProc2PortSigData *sigdp;
- ErtsTryImmDrvCallResult try_call_res;
- ErtsTryImmDrvCallState try_call_state
- = ERTS_INIT_TRY_IMM_DRV_CALL_STATE(
- c_p,
- prt,
- ERTS_PORT_SFLGS_INVALID_LOOKUP,
- 0,
- 0,
- am_get_data);
-
- try_call_res = try_imm_drv_call(&try_call_state);
- switch (try_call_res) {
- case ERTS_TRY_IMM_DRV_CALL_OK: {
- Eterm *hp;
- Eterm data;
- ErlHeapFragment *bp;
- Uint sz;
- if (is_immed(prt->data)) {
- bp = NULL;
- data = prt->data;
- }
- else {
- bp = new_message_buffer(prt->bp->used_size);
- data = copy_struct(prt->data,
- prt->bp->used_size,
- &hp,
- &bp->off_heap);
- }
- finalize_imm_drv_call(&try_call_state);
- if (is_immed(data))
- sz = 0;
- else
- sz = bp->used_size;
-
- hp = HAlloc(c_p, sz + 3);
- if (is_not_immed(data)) {
- data = copy_struct(data, bp->used_size, &hp, &MSO(c_p));
- free_message_buffer(bp);
- }
- *retvalp = TUPLE2(hp, am_ok, data);
- BUMP_REDS(c_p, ERTS_PORT_REDS_GET_DATA);
- return ERTS_PORT_OP_DONE;
- }
- case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT:
- return ERTS_PORT_OP_DROPPED;
- case ERTS_TRY_IMM_DRV_CALL_INVALID_SCHED_FLAGS:
- case ERTS_TRY_IMM_DRV_CALL_BUSY_LOCK:
- /* Schedule call instead... */
- break;
- }
-
- sigdp = erts_port_task_alloc_p2p_sig_data();
- sigdp->flags = ERTS_P2P_SIG_TYPE_GET_DATA;
-
- return erts_schedule_proc2port_signal(c_p,
- prt,
- c_p->common.id,
- retvalp,
- sigdp,
- 0,
- port_sig_get_data);
-}
-
typedef struct {
int to;
void *arg;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 02:39:14 +0000