GitHub - rtomayko/posix-spawn: Ruby process spawning library
posix-spawn fork(2) calls slow down as the parent process uses more memory due to the need to copy page tables. In many common uses of fork(), where it is followed by one of the exec family of functions to spawn child processes (Kernel#system, IO::popen, Process::spawn, etc.), it's possible to remove this overhead by using special process spawning interfaces (posix_spawn(), vfork(), etc.) The posi
All About Spawn
Blogged by Ujihisa. Standard methods of programming and thoughts including Clojure, Vim, LLVM, Haskell, Ruby and Mathematics written by a Japanese programmer. github/ujihisa Spawn = Fork + Exec, but works also on platforms which don't support fork. The usage of spawn is often said to be cryptic. Here I'll describe common cases. system('ls') pid = spawn(['ls', 'ls']) Process.wait(pid) system('ls .'
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