diff options
| -rw-r--r-- | erts/emulator/test/port_SUITE.erl | 35 | ||||
| -rw-r--r-- | erts/emulator/test/port_SUITE_data/port_test.c | 35 |
2 files changed, 61 insertions, 9 deletions
diff --git a/erts/emulator/test/port_SUITE.erl b/erts/emulator/test/port_SUITE.erl index f2a7ddef2c..b67fd1c409 100644 --- a/erts/emulator/test/port_SUITE.erl +++ b/erts/emulator/test/port_SUITE.erl @@ -82,6 +82,7 @@ mul_basic/1, mul_slow_writes/1, dying_port/1, port_program_with_path/1, open_input_file_port/1, open_output_file_port/1, + count_fds/1, iter_max_ports/1, eof/1, input_only/1, output_only/1, name1/1, t_binary/1, parallell/1, t_exit/1, @@ -112,7 +113,7 @@ all() -> {group, multiple_packets}, parallell, dying_port, port_program_with_path, open_input_file_port, open_output_file_port, name1, env, bad_env, cd, - exit_status, iter_max_ports, t_exit, {group, tps}, line, + exit_status, iter_max_ports, count_fds, t_exit, {group, tps}, line, stderr_to_stdout, otp_3906, otp_4389, win_massive, mix_up_ports, otp_5112, otp_5119, exit_status_multi_scheduling_block, ports, spawn_driver, @@ -616,6 +617,38 @@ open_output_file_port(Config) when is_list(Config) -> test_server:timetrap_cancel(Dog), ok. +%% Tests that all appropriate fd's have been closed in the port program +count_fds(suite) -> []; +count_fds(Config) when is_list(Config) -> + case os:type() of + {unix, _} -> + PrivDir = proplists:get_value(priv_dir, Config), + Filename = filename:join(PrivDir, "my_fd_counter"), + + RunTest = fun(PortOpts) -> + PortTest = port_test(Config), + Command = lists:concat([PortTest, " -n -f -o", Filename]), + Port = open_port({spawn, Command}, PortOpts), + Port ! {self(), close}, + receive + {Port, closed} -> ok + end, + test_server:sleep(500), + {ok, Written} = file:read_file(Filename), + Written + end, + <<4:32/native>> = RunTest([out, nouse_stdio]), + <<4:32/native>> = RunTest([in, nouse_stdio]), + <<5:32/native>> = RunTest([in, out, nouse_stdio]), + <<3:32/native>> = RunTest([out, use_stdio]), + <<3:32/native>> = RunTest([in, use_stdio]), + <<3:32/native>> = RunTest([in, out, use_stdio]), + <<3:32/native>> = RunTest([in, out, use_stdio, stderr_to_stdout]), + <<3:32/native>> = RunTest([out, use_stdio, stderr_to_stdout]); + _ -> + {skip, "Skipped on windows"} + end. + %% %% Open as many ports as possible. Do this several times and check %% that we get the same number of ports every time. diff --git a/erts/emulator/test/port_SUITE_data/port_test.c b/erts/emulator/test/port_SUITE_data/port_test.c index 7abefab2e3..cc3ebdf0f8 100644 --- a/erts/emulator/test/port_SUITE_data/port_test.c +++ b/erts/emulator/test/port_SUITE_data/port_test.c @@ -13,6 +13,7 @@ #ifndef __WIN32__ #include <unistd.h> +#include <limits.h> #include <sys/time.h> @@ -48,6 +49,7 @@ typedef struct { * after reading the header for a packet * before reading the rest. */ + int fd_count; /* Count the number of open fds */ int break_mode; /* If set, this program will close standard * input, which should case broken pipe * error in the writer. @@ -107,7 +109,7 @@ MAIN(argc, argv) int argc; char *argv[]; { - int ret; + int ret, fd_count; if((port_data = (PORT_TEST_DATA *) malloc(sizeof(PORT_TEST_DATA))) == NULL) { fprintf(stderr, "Couldn't malloc for port_data"); exit(1); @@ -115,6 +117,7 @@ char *argv[]; port_data->header_size = 0; port_data->io_buf_size = 0; port_data->delay_mode = 0; + port_data->fd_count = 0; port_data->break_mode = 0; port_data->quit_mode = 0; port_data->slow_writes = 0; @@ -144,6 +147,9 @@ char *argv[]; case 'e': port_data->fd_to_erl = 2; break; + case 'f': + port_data->fd_count = 1; + break; case 'h': /* Header size for packets. */ switch (argv[1][2]) { case '0': port_data->header_size = 0; break; @@ -189,18 +195,31 @@ char *argv[]; /* XXX Add error printout here */ } + if (port_data->fd_count) { +#ifdef __WIN32__ + DWORD handles; + GetProcessHandleCount(GetCurrentProcess(), &handles); + fd_count = handles; +#else + int i; + for (i = 0, fd_count = 0; i < 1024; i++) + if (fcntl(i, F_GETFD) >= 0) { + fd_count++; + } +#endif + } + + if (port_data->output_file) + replace_stdout(port_data->output_file); + + if (port_data->fd_count) + reply(&fd_count, sizeof(fd_count)); + if (port_data->no_packet_loop){ free(port_data); exit(0); } - /* - * If an output file was given, let it replace standard output. - */ - - if (port_data->output_file) - replace_stdout(port_data->output_file); - ret = packet_loop(); if(port_data->io_buf_size > 0) free(port_data->io_buf); |