@node fork @section @code{fork} @findex fork POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/fork.html} Gnulib module: --- Portability problems fixed by Gnulib: @itemize @end itemize Portability problems not fixed by Gnulib: @itemize @item This function is missing on some platforms: mingw, MSVC 14. @item On some platforms, @code{fork} followed by a call of the @code{exec} family (@code{execl}, @code{execlp}, @code{execle}, @code{execv}, @code{execvp}, or @code{execve}) is less efficient than @code{vfork} followed by the same call. @code{vfork} is a variant of @code{fork} that has been introduced to optimize the @code{fork}/@code{exec} pattern. @item On Windows platforms (excluding Cygwin), this function is not implemented; use @code{_spawnvp} instead. @end itemize