fork
POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fork.html
Gnulib module: —
Portability problems fixed by Gnulib:
Portability problems not fixed by Gnulib:
fork followed by a call of the exec family
(execl, execlp, execle, execv, execvp,
or execve) is less efficient than vfork followed by the same
call. vfork is a variant of fork that has been introduced to
optimize the fork/exec pattern.
spawnvp instead.