diff options
Diffstat (limited to 'erts/emulator/beam/erl_node_container_utils.h')
| -rw-r--r-- | erts/emulator/beam/erl_node_container_utils.h | 67 |
1 files changed, 35 insertions, 32 deletions
diff --git a/erts/emulator/beam/erl_node_container_utils.h b/erts/emulator/beam/erl_node_container_utils.h index 329a2204cc..667bda255b 100644 --- a/erts/emulator/beam/erl_node_container_utils.h +++ b/erts/emulator/beam/erl_node_container_utils.h @@ -20,7 +20,7 @@ #ifndef ERL_NODE_CONTAINER_UTILS_H__ #define ERL_NODE_CONTAINER_UTILS_H__ -#include "erl_term.h" +#include "erl_ptab.h" /* * Note regarding node containers: @@ -29,9 +29,6 @@ * the emulator) for the Erlang data types that contain a reference * to a node, i.e. pids, ports, and references. * - * Observe! The layouts of the node container data types have been - * changed in R9. - * * Node containers are divided into internal and external node containers. * An internal node container refer to the current incarnation of the * node which it reside on. An external node container refer to @@ -52,13 +49,6 @@ * reference is a boxed data type. An internal node container have an * implicit reference to the 'erts_this_node' element in the node table. * - * Due to the R9 changes in layouts of node containers there are room to - * store more data than previously. Today (R9) this extra space is unused, - * but it is planned to be used in the future. For example only 18 bits - * are used for data in a pid but there is room for 28 bits of data (on a - * 32-bit machine). Some preparations have been made in the emulator for - * usage of this extra space. - * * OBSERVE! Pids doesn't use fixed size 'serial' and 'number' fields any * more. Previously the 15 bit 'number' field of a pid was used as index * into the process table, and the 3 bit 'serial' field was used as a @@ -104,8 +94,6 @@ #define internal_dist_entry(x) (erts_this_node->dist_entry) #define external_dist_entry(x) (external_node((x))->dist_entry) -extern int erts_use_r9_pids_ports; - /* * For this node (and previous incarnations of this node), 0 is used as * channel no. For other nodes, the atom index of the atom corresponding @@ -128,8 +116,20 @@ extern int erts_use_r9_pids_ports; * Pids * \* */ -#define internal_pid_index(x) (internal_pid_data((x)) \ - & erts_process_tab_index_mask) +extern ErtsPTab erts_proc; + +#define make_internal_pid(D) erts_ptab_make_id(&erts_proc, \ + (D), \ + _TAG_IMMED1_PID) + +#define internal_pid_index(PID) (ASSERT_EXPR(is_internal_pid((PID))), \ + erts_ptab_id2pix(&erts_proc, (PID))) + +#define internal_pid_data(PID) (ASSERT_EXPR(is_internal_pid((PID))), \ + erts_ptab_id2data(&erts_proc, (PID))) + +#define internal_pid_number(x) _GET_PID_NUM(internal_pid_data((x))) +#define internal_pid_serial(x) _GET_PID_SER(internal_pid_data((x))) #define internal_pid_node_name(x) (internal_pid_node((x))->sysname) #define external_pid_node_name(x) (external_pid_node((x))->sysname) @@ -169,34 +169,37 @@ extern int erts_use_r9_pids_ports; || is_external_pid((x))) #define is_not_pid(x) (!is_pid(x)) -#define ERTS_MAX_R9_PROCESSES (1 << ERTS_R9_PROC_BITS) - /* * Maximum number of processes. We want the number to fit in a SMALL on * 32-bit CPU. */ -#define ERTS_MAX_PROCESSES ((SWORD_CONSTANT(1) << 27)-1) -#if (ERTS_MAX_PROCESSES > MAX_SMALL) -# error "The maximum number of processes must fit in a SMALL." -#endif - +#define ERTS_MAX_PROCESSES (ERTS_PTAB_MAX_SIZE-1) #define ERTS_MAX_PID_DATA ((1 << _PID_DATA_SIZE) - 1) #define ERTS_MAX_PID_NUMBER ((1 << _PID_NUM_SIZE) - 1) #define ERTS_MAX_PID_SERIAL ((1 << _PID_SER_SIZE) - 1) -#define ERTS_MAX_PID_R9_SERIAL ((1 << _PID_R9_SER_SIZE) - 1) -#define ERTS_R9_PROC_BITS (_PID_R9_SER_SIZE + _PID_NUM_SIZE) #define ERTS_PROC_BITS (_PID_SER_SIZE + _PID_NUM_SIZE) -#define ERTS_INVALID_PID make_internal_pid(ERTS_MAX_PID_DATA) +#define ERTS_INVALID_PID ERTS_PTAB_INVALID_ID(_TAG_IMMED1_PID) /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ * Ports * \* */ -#define internal_port_index(x) (internal_port_data((x)) \ - & erts_port_tab_index_mask) +extern ErtsPTab erts_port; + +#define make_internal_port(D) erts_ptab_make_id(&erts_port, \ + (D), \ + _TAG_IMMED1_PORT) + +#define internal_port_index(PRT) (ASSERT_EXPR(is_internal_port((PRT))), \ + erts_ptab_id2pix(&erts_port, (PRT))) + +#define internal_port_data(PRT) (ASSERT_EXPR(is_internal_port((PRT))), \ + erts_ptab_id2data(&erts_port, (PRT))) + +#define internal_port_number(x) _GET_PORT_NUM(internal_port_data((x))) #define internal_port_node_name(x) (internal_port_node((x))->sysname) #define external_port_node_name(x) (external_port_node((x))->sysname) @@ -235,18 +238,18 @@ extern int erts_use_r9_pids_ports; #define is_not_port(x) (!is_port(x)) /* Highest port-ID part in a term of type Port - Not necessarily the same as the variable erts_max_ports + Not necessarily the same as current maximum port table size which defines the maximum number of simultaneous Ports in the Erlang node. ERTS_MAX_PORTS is a hard upper limit. */ -#define ERTS_MAX_R9_PORTS (1 << ERTS_R9_PORTS_BITS) -#define ERTS_MAX_PORTS (1 << ERTS_PORTS_BITS) - +#define ERTS_MAX_PORTS (ERTS_PTAB_MAX_SIZE-1) #define ERTS_MAX_PORT_DATA ((1 << _PORT_DATA_SIZE) - 1) #define ERTS_MAX_PORT_NUMBER ((1 << _PORT_NUM_SIZE) - 1) -#define ERTS_R9_PORTS_BITS (_PORT_R9_NUM_SIZE) #define ERTS_PORTS_BITS (_PORT_NUM_SIZE) + +#define ERTS_INVALID_PORT ERTS_PTAB_INVALID_ID(_TAG_IMMED1_PORT) + /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ * Refs * \* */ |