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author | Rickard Green <rickard@erlang.org> | 2020-02-18 23:28:04 +0100 |
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committer | Rickard Green <rickard@erlang.org> | 2020-02-18 23:28:04 +0100 |
commit | 8fa3635514b7ab1aa6ce14fdf8327aff4b5c46fd (patch) | |
tree | 9600038d931304505f539a843fda2524635c31f7 | |
parent | db6059a9217767a6e42e93cec05089c0ec977d20 (diff) | |
download | erlang-8fa3635514b7ab1aa6ce14fdf8327aff4b5c46fd.tar.gz |
Fix valid range for +SDio
-rw-r--r-- | erts/doc/src/erl.xml | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_init.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index 638e88ca31..b876d83c9f 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -1009,7 +1009,7 @@ <tag><marker id="+SDio"/><c><![CDATA[+SDio DirtyIOSchedulers]]></c></tag> <item> <p>Sets the number of dirty I/O scheduler threads to create when - threading support has been enabled. Valid range is 0-1024. By + threading support has been enabled. Valid range is 1-1024. By default, the number of dirty I/O scheduler threads created is 10, same as the default number of threads in the <seealso marker="#async_thread_pool_size">async thread pool</seealso>.</p> diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 5206d7564f..a8f18b20d7 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -652,7 +652,7 @@ void erts_usage(void) erts_fprintf(stderr, "-SDPcpu p1:p2 specify dirty CPU schedulers (p1) and dirty CPU schedulers\n"); erts_fprintf(stderr, " online (p2) as percentages of logical processors configured\n"); erts_fprintf(stderr, " and logical processors available, respectively\n"); - erts_fprintf(stderr, "-SDio n set number of dirty I/O schedulers, valid range is [0-%d]\n", + erts_fprintf(stderr, "-SDio n set number of dirty I/O schedulers, valid range is [1-%d]\n", ERTS_MAX_NO_OF_DIRTY_IO_SCHEDULERS); #endif erts_fprintf(stderr, "-t size set the maximum number of atoms the emulator can handle\n"); @@ -1017,7 +1017,7 @@ early_init(int *argc, char **argv) /* } else if (strncmp(type, "io", 2) == 0) { arg = get_arg(argv[i]+5, argv[i+1], &i); dirty_io_scheds = atoi(arg); - if (dirty_io_scheds < 0 || + if (dirty_io_scheds < 1 || dirty_io_scheds > ERTS_MAX_NO_OF_DIRTY_IO_SCHEDULERS) { erts_fprintf(stderr, "bad number of dirty I/O schedulers %s\n", |