diff options
Diffstat (limited to 'erts/emulator/beam')
| -rw-r--r-- | erts/emulator/beam/erl_init.c | 6 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_port.h | 11 |
2 files changed, 17 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 83853dcd43..e7e4030900 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -935,6 +935,12 @@ erl_start(int argc, char **argv) (erts_aint32_t) max_gen_gcs); } + envbufsz = sizeof(envbuf); + if (erts_sys_getenv_raw("ERL_MAX_PORTS", envbuf, &envbufsz) == 0) { + port_tab_sz = atoi(envbuf); + port_tab_sz_ignore_files = 1; + } + #if (defined(__APPLE__) && defined(__MACH__)) || defined(__DARWIN__) /* * The default stack size on MacOS X is too small for pcre. diff --git a/erts/emulator/beam/erl_port.h b/erts/emulator/beam/erl_port.h index 4052f4dbe8..377aa72ed5 100644 --- a/erts/emulator/beam/erl_port.h +++ b/erts/emulator/beam/erl_port.h @@ -31,7 +31,18 @@ typedef struct ErtsProc2PortSigData_ ErtsProc2PortSigData; #include "erl_thr_progress.h" #include "erl_trace.h" +#ifndef __WIN32__ #define ERTS_DEFAULT_MAX_PORTS (1 << 16) +#else +/* + * Do not default to as many max ports on Windows + * as there are no os limits to stop system + * from running amok. If allowed to go too high + * windows rarely recovers from the errors and + * other OS processes can be effected. + */ +#define ERTS_DEFAULT_MAX_PORTS (1 << 13) +#endif /* __WIN32__ */ #define ERTS_MIN_PORTS 1024 extern int erts_port_synchronous_ops; |