diff options
| author | knu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-03-29 17:41:32 +0000 |
|---|---|---|
| committer | knu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-03-29 17:41:32 +0000 |
| commit | 316a0aa03d8dda2f7b8d901602d515fbde9010be (patch) | |
| tree | 741c93105cc6a54a5a94c25433bf53a038966908 | |
| parent | 098adfab2881d75fdf29bf19b6332e4f935ab992 (diff) | |
* prelude.rb (Process.daemon): New method.
* .document: Add prelude.rb.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@27093 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
| -rw-r--r-- | .document | 3 | ||||
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | NEWS | 4 | ||||
| -rw-r--r-- | prelude.rb | 35 |
4 files changed, 48 insertions, 0 deletions
@@ -6,6 +6,9 @@ # Process all the C source files *.c +# prelude +prelude.rb + # the lib/ directory (which has its own .document file) lib @@ -1,3 +1,9 @@ +Tue Mar 30 02:40:31 2010 Akinori MUSHA <[email protected]> + + * prelude.rb (Process.daemon): New method. + + * .document: Add prelude.rb. + Mon Mar 29 17:38:24 2010 Keiju Ishitsuka <[email protected]> * ext/rational/lib/rational.rb: fix [Bug #1397]. @@ -102,6 +102,10 @@ with all sufficient information, see the ChangeLog file. New method primarily for use in the case-when construct. + * Process.daemon + + New method. + * Range#cover? New alias to #include? for the forward compatibility with 1.9, in diff --git a/prelude.rb b/prelude.rb index 2265a4b9d1..cbdddef8ab 100644 --- a/prelude.rb +++ b/prelude.rb @@ -1 +1,36 @@ # currently empty + +module Process + # call-seq: + # Process.daemon() => 0 + # Process.daemon(nochdir=nil,noclose=nil) => 0 + # + # Detach the process from controlling terminal and run in + # the background as system daemon. Unless the argument + # nochdir is true (i.e. non false), it changes the current + # working directory to the root ("/"). Unless the argument + # noclose is true, daemon() will redirect standard input, + # standard output and standard error to /dev/null. + # Return zero on success, or raise one of Errno::*. + def self.daemon(nochdir = nil, noclose = nil) + if $SAFE >= 2 + raise SecurityError, "Insecure operation `%s' at level %d", __method__, $SAFE + end + + fork && exit!(0) + + Process.setsid() + + fork && exit!(0) + + Dir.chdir('/') unless nochdir + + File.open('/dev/null', 'r+') { |f| + STDIN.reopen(f) + STDOUT.reopen(f) + STDERR.reopen(f) + } unless noclose + + return 0 + end +end |