diff options
| -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 |