update async-signal-safe comments.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36206 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
trailing spaces

* ChangeLog: remove trailing spaces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36207 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
process.c: separate check_exec_fds_1

* process.c (check_exec_fds): separate check_exec_fds_1() since
  nonstatic initializer of an aggregate type is not allowed by C89.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36208 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
io.c: spawnv

* io.c (pipe_open): merge win32 code using spawnv().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36209 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* configure.in (for stack end address): remove human68k specific
  check. It is no longer supported.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36210 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2012-06-25

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36211 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* internal.h: use rb_pid_t instead of pid_t because of there is no
  definition of pid_t here on Windows.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36212 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
popen: shell commands with envvar

* io.c (is_popen_fork): check if fork and raise NotImplementedError if
  unavailable.
* io.c (rb_io_s_popen): allow shell commands with modified environment
  variables.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36213 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
method transplanting

* proc.c (rb_mod_define_method): allow method transplanting from a
  module to either class or module.  [ruby-core:34267][Feature #4254]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36214 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
method transplanting

* proc.c (rb_mod_define_method): allow method transplanting from a
  module to either class or module.  [ruby-core:34267][Feature #4254]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36215 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Revert r31873 Module#mix

* class.c (rb_mix_module): revert Module#mix.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36216 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
add tests for IO#seek.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36217 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Revert r36213 "popen: shell commands with envvar"

* io.c (rb_io_s_popen): revert r36213 "popen: shell commands with
  envvar" because it disabled to let single command bypass shell.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36218 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2012-06-26

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36219 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
use rb_check_hash_type

* class.c (rb_scan_args): use rb_check_hash_type.
* process.c (rb_exec_getargs): ditto.
* sprintf.c (get_hash): ditto.
* string.c (rb_str_sub_bang, str_gsub): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36220 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test: reduce output if succeded

* bootstraptest/runner.rb (exec_test): reduce output if succeded.
* sample/test.rb (PROGRESS.finish): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36221 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_pthread.c (register_cached_thread_and_wait):
  return immediately if malloc() failed.
  [ruby-core:43960] [ruby-trunk - Bug #6235]
* thread_pthread.c (USE_THREAD_CACHE): check already defined or not.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36222 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test: scan ARGV

* sample/test.rb: scan ARGV all.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36225 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
popen: shell commands with envvars and execopts

* io.c (is_popen_fork): check if fork and raise NotImplementedError if
  unavailable.
* io.c (rb_io_s_popen): allow environment variables hash and exec
  options as flat parameters, not in an array arguments.
  [Feature#6651] [EXPERIMENTAL]
* process.c (rb_execarg_extract_options): extract exec options, but no
  exceptions on non-exec options and returns them as a Hash.
* process.c (rb_execarg_setenv): set environment variables.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36229 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2012-06-27

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36230 b2dd03c8-39d4-4d8f-98ff-823fe69b080e