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author | Sverker Eriksson <[email protected]> | 2017-02-20 20:06:28 +0100 |
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committer | Sverker Eriksson <[email protected]> | 2017-02-20 20:06:28 +0100 |
commit | 82d3513f95198b0a4295ba866a78ae6c137a34d5 (patch) | |
tree | b45aee60996f1054e15308defddc8e96e8ef91b8 /erts/emulator/test/os_signal_SUITE_data/os_signal_nif.c | |
parent | 5adbf961a3c79a6782f8be8336ec26594754e9e8 (diff) | |
parent | 32a74e6c83cd110b8e8ab714be4365c0da558fca (diff) | |
download | otp-82d3513f95198b0a4295ba866a78ae6c137a34d5.tar.gz otp-82d3513f95198b0a4295ba866a78ae6c137a34d5.tar.bz2 otp-82d3513f95198b0a4295ba866a78ae6c137a34d5.zip |
Merge branch 'master' into sverker/enif_select
Conflicts:
erts/emulator/beam/erl_binary.h
erts/emulator/beam/erl_monitors.c
erts/emulator/beam/erl_nif.c
erts/emulator/beam/global.h
erts/emulator/test/nif_SUITE_data/nif_SUITE.c
Diffstat (limited to 'erts/emulator/test/os_signal_SUITE_data/os_signal_nif.c')
-rw-r--r-- | erts/emulator/test/os_signal_SUITE_data/os_signal_nif.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/erts/emulator/test/os_signal_SUITE_data/os_signal_nif.c b/erts/emulator/test/os_signal_SUITE_data/os_signal_nif.c new file mode 100644 index 0000000000..78e1348383 --- /dev/null +++ b/erts/emulator/test/os_signal_SUITE_data/os_signal_nif.c @@ -0,0 +1,66 @@ +#include <sys/wait.h> +#include <stdlib.h> +#include <unistd.h> +#include <stdio.h> + +#include <erl_nif.h> + +static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) +{ + return 0; +} + +static ERL_NIF_TERM set_alarm(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + int t; + if (!enif_get_int(env, argv[0], &t)) { + return enif_make_badarg(env); + } + + alarm(t); + + return enif_make_atom(env, "ok"); +} + +static ERL_NIF_TERM fork_0(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + pid_t pid; + + pid = fork(); + + if (pid == 0) { + /* child */ + exit(42); + } + + return enif_make_tuple(env, 2, + enif_make_atom(env, "ok"), + enif_make_int(env, (int)pid)); +} + +static ERL_NIF_TERM get_exit_code(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + int x; + pid_t pid; + if (!enif_get_int(env, argv[0], &x)) { + return enif_make_badarg(env); + } + + pid = (pid_t) x; + + waitpid(pid, &x, 0); + + return enif_make_tuple(env, 2, + enif_make_atom(env, "ok"), + enif_make_int(env, WEXITSTATUS(x))); +} + + +static ErlNifFunc nif_funcs[] = +{ + {"set_alarm", 1, set_alarm}, + {"fork", 0, fork_0}, + {"get_exit_code", 1, get_exit_code} +}; + +ERL_NIF_INIT(os_signal_SUITE,nif_funcs,load,NULL,NULL,NULL) |