diff options
| -rw-r--r-- | erts/doc/src/erl.xml | 18 | ||||
| -rw-r--r-- | erts/etc/common/erlexec.c | 21 |
2 files changed, 37 insertions, 2 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index 1bbde7f1e0..e63928ddb0 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -338,7 +338,8 @@ <seealso marker="kernel:net_kernel">net_kernel(3)</seealso>. It is also ensured that <c><![CDATA[epmd]]></c> runs on the current host before Erlang is started. See - <seealso marker="epmd">epmd(1)</seealso>.</p> + <seealso marker="epmd">epmd(1)</seealso> and the + <seealso marker="#start_epmd"><c>-start_epmd</c></seealso> option.</p> <p>The name of the node will be <c><![CDATA[Name@Host]]></c>, where <c><![CDATA[Host]]></c> is the fully qualified host name of the current host. For short names, use the <c><![CDATA[-sname]]></c> flag instead.</p> @@ -463,6 +464,21 @@ flag and those running with the <c><![CDATA[-name]]></c> flag, as node names must be unique in distributed Erlang systems.</p> </item> + <tag><marker id="start_epmd"/><c>-start_epmd true | false</c></tag> + <item> + + <p>Specifies whether Erlang should start + <seealso marker="epmd">epmd</seealso> on startup. By default + this is <c>true</c>, but if you prefer to start epmd + manually, set this to <c>false</c>.</p> + + <p>This only applies if Erlang is started as a distributed node, + i.e. if <c>-name</c> or <c>-sname</c> is specified. Otherwise, + epmd is not started even if <c>-start_epmd true</c> is given.</p> + + <p>Note that a distributed node will fail to start if epmd is + not running.</p> + </item> <tag><marker id="smp"/><c><![CDATA[-smp [enable|auto|disable]]]></c></tag> <item> <p><c>-smp enable</c> and <c>-smp</c> starts the Erlang runtime diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c index 42da05b1f7..2b2e0e480a 100644 --- a/erts/etc/common/erlexec.c +++ b/erts/etc/common/erlexec.c @@ -195,6 +195,7 @@ static char *plusz_val_switches[] = { #endif void usage(const char *switchname); +static void usage_format(char *format, ...); void start_epmd(char *epmd); void error(char* format, ...); @@ -795,6 +796,24 @@ int main(int argc, char **argv) get_start_erl_data((char *) NULL); } #endif + else if (strcmp(argv[i], "-start_epmd") == 0) { + if (i+1 >= argc) + usage("-start_epmd"); + + if (strcmp(argv[i+1], "true") == 0) { + /* The default */ + no_epmd = 0; + } + else if (strcmp(argv[i+1], "false") == 0) { + no_epmd = 1; + } + else + usage_format("Expected boolean argument for \'-start_epmd\'.\n"); + + add_arg(argv[i]); + add_arg(argv[i+1]); + i++; + } else add_arg(argv[i]); @@ -1173,7 +1192,7 @@ usage_aux(void) "]" #endif "] " - "[-make] [-man [manopts] MANPAGE] [-x] [-emu_args] " + "[-make] [-man [manopts] MANPAGE] [-x] [-emu_args] [-start_epmd BOOLEAN] " "[-args_file FILENAME] [+A THREADS] [+a SIZE] [+B[c|d|i]] [+c [BOOLEAN]] " "[+C MODE] [+h HEAP_SIZE_OPTION] [+K BOOLEAN] " "[+l] [+M<SUBSWITCH> <ARGUMENT>] [+P MAX_PROCS] [+Q MAX_PORTS] " |