diff options
Diffstat (limited to 'man/ruby.1')
| -rw-r--r-- | man/ruby.1 | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/man/ruby.1 b/man/ruby.1 index a6c50bd23a..8141a6d7ef 100644 --- a/man/ruby.1 +++ b/man/ruby.1 @@ -287,6 +287,8 @@ to the standard output. .It Fl -debug Turns on debug mode. .Li "$DEBUG" +and +.Li "$VERBOSE" will be set to true. .Pp .It Fl e Ar command @@ -521,6 +523,13 @@ variable is not defined, Ruby refers to If set, Ruby tries to free all dynamically allocated memories. Introduced in Ruby 3.3, default: unset. .Pp +.It Ev RUBY_BOX +If set to +.Li 1 , +Ruby Box is enabled and users will be able to execute +.Li Ruby::Box.new . +Ruby Box is an experimental feature introduced in Ruby 4.0. +.Pp .It Ev RUBY_IO_BUFFER_DEFAULT_SIZE The custom default buffer size of .Li IO::Buffer . @@ -543,6 +552,10 @@ Introduced in Ruby 3.0, default: .Ev PAGER environment variable. .Pp +.It Ev RUBY_THREAD_TIMESLICE +Sets the default thread time slice (thread quantum) in milliseconds. +Introduced in Ruby 3.4, default: 100ms. +.Pp .It Ev PATH Ruby refers to the .Ev PATH @@ -588,10 +601,14 @@ Reaching the old malloc limit. .Pp There are currently 4 possible areas where the GC may be tuned by the following environment variables: -.Bl -hang -compact -width "RUBY_GC_HEAP_%d_INIT_SLOTS" -.It Ev RUBY_GC_HEAP_ Ns Ar %d Ns Ev _INIT_SLOTS +.Bl -hang -compact -width "RUBY_GC_HEAP_n_INIT_SLOTS" +.Pp +.It Ev RUBY_GC_HEAP_ Ns Ar n Ns Ev _INIT_SLOTS Initial allocation of slots in a specific heap. -The available heaps can be found in the keys of `GC.stat_heap`. +The available heaps can be found in the keys of +.Li GC.stat_heap . +.Ar n +is a decimal number between 0 and 4. Introduced in Ruby 3.3. .Pp .It Ev RUBY_GC_HEAP_FREE_SLOTS @@ -698,11 +715,11 @@ All values are specified in bytes. .Bl -hang -compact -width "RUBY_THREAD_MACHINE_STACK_SIZE" .It Ev RUBY_THREAD_VM_STACK_SIZE VM stack size used at thread creation. -default: 524288 (32-bit CPU) or 1048575 (64-bit) +default: 524288 (32-bit CPU) or 1048576 (64-bit) .Pp .It Ev RUBY_THREAD_MACHINE_STACK_SIZE Machine stack size used at thread creation. -default: 524288 or 1048575 +default: 524288 or 1048576 .Pp .It Ev RUBY_FIBER_VM_STACK_SIZE VM stack size used at fiber creation. @@ -768,6 +785,17 @@ a program (or script) that is to be executed. .Pp The pipe template is split on spaces into an argument list before the template parameters are expanded. +.Sh MISC ENVIRONMENT +.Pp +.Bl -hang -compact -width "RUBY_TCP_NO_FAST_FALLBACK" +.It Ev RUBY_TCP_NO_FAST_FALLBACK +If set to +.Li 1 , +disables the fast fallback feature by default in TCPSocket.new and Socket.tcp. +When set to +.Li 0 +or left unset, the fast fallback feature is enabled. +Introduced in Ruby 3.4, default: unset. .Sh SEE ALSO .Bl -hang -compact -width "https://www.ruby-toolbox.com/" .It Lk https://www.ruby-lang.org/ |