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Add name registry #12

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merged 2 commits into from
Feb 27, 2024
Merged

Add name registry #12

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10b90d3
Add name registry
saleyn Feb 27, 2024
f6908be
Manage registry in NIF private data
saleyn Feb 27, 2024
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9 changes: 9 additions & 0 deletions Makefile
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
all: compile

compile clean:
rebar3 $@

test eunit:
rebar3 eunit

.PHONY: test
42 changes: 26 additions & 16 deletions README.md
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Expand Up @@ -3,27 +3,37 @@ erlsem

An OTP library implementing counting non-blocking semaphore with the ability to
monitor a process that obtains a lock and to release the corresponding
resource(s) automatically in case the process exits.
resource(s) automatically when the process exits.

Build
-----

$ rebar3 compile
$ rebar3 eunit
```shell
$ rebar3 compile
$ rebar3 eunit
```

Demo
----

Eshell V13.1.3 (abort with ^G)
1> Pid = self().
<0.145.0>
2> S = sema_nif:create(3).
#Ref<0.1541145699.2864316417.117910>
3> L = [spawn(fun() -> Pid ! {self(), sema_nif:acquire(S)}, timer:sleep(10) end) || _ <- lists:seq(1, 5)].
[<0.154.0>,<0.155.0>,<0.156.0>,<0.157.0>,<0.158.0>]
4> [receive {P, X} -> X end || P <- L].
[{ok,1},
{ok,2},
{ok,3},
{error,full},
{error,full}]
```erlang
Eshell V13.1.3 (abort with ^G)
1> Pid = self().
<0.145.0>
2> S = sema_nif:create(3).
#Ref<0.1541145699.2864316417.117910>
3> L = [spawn(fun() -> Pid ! {self(), sema_nif:acquire(S)}, timer:sleep(10) end) || _ <- lists:seq(1, 5)].
[<0.154.0>,<0.155.0>,<0.156.0>,<0.157.0>,<0.158.0>]
4> [receive {P, X} -> X end || P <- L].
[{ok,1},
{ok,2},
{ok,3},
{error,full},
{error,full}]
5> sema_nif:create(sema, 5).
#Ref<0.1541145699.2864316445.123450>
6> sema_nif:acquire(sema).
{ok, 1}
6> sema_nif:release(sema).
{ok, 0}
```
23 changes: 13 additions & 10 deletions c_src/Makefile
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Expand Up @@ -12,25 +12,28 @@ ERL_INTERFACE_LIB_DIR ?= $(shell erl -noshell -eval "io:format(\"~ts\", [code:li
C_SRC_DIR = $(CURDIR)
C_SRC_OUTPUT ?= $(CURDIR)/../priv/$(PROJECT).so

ifeq ($(NIF_DEBUG),)
OPTIMIZE = -O3 -DNDEBUG
else
OPTIMIZE = -g -O0
endif

# System type and C compiler/flags.

UNAME_SYS := $(shell uname -s)
ifeq ($(UNAME_SYS), Darwin)
ifeq ($(UNAME_SYS),Darwin)
CC ?= cc
CFLAGS ?= -O3 -std=c99 -finline-functions -Wall -Wmissing-prototypes
CXXFLAGS ?= -O3 -finline-functions -Wall
CXXFLAGS ?= -finline-functions -Wall
LDFLAGS ?= -flat_namespace -undefined suppress
else ifeq ($(UNAME_SYS), FreeBSD)
else ifeq ($(UNAME_SYS),FreeBSD)
CC ?= cc
CFLAGS ?= -O3 -std=c99 -finline-functions -Wall -Wmissing-prototypes
CXXFLAGS ?= -O3 -finline-functions -Wall
else ifeq ($(UNAME_SYS), Linux)
CXXFLAGS ?= -finline-functions -Wall
else ifeq ($(UNAME_SYS),Linux)
CC ?= gcc
CFLAGS ?= -O3 -std=c99 -finline-functions -Wall -Wmissing-prototypes
CXXFLAGS ?= -O3 -finline-functions -Wall
CXXFLAGS ?= -finline-functions -Wall
endif

CXXFLAGS += -std=c++11
CXXFLAGS += -std=c++20 $(OPTIMIZE)

CFLAGS += -fPIC -I $(ERTS_INCLUDE_DIR) -I $(ERL_INTERFACE_INCLUDE_DIR)
CXXFLAGS += -fPIC -I $(ERTS_INCLUDE_DIR) -I $(ERL_INTERFACE_INCLUDE_DIR)
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