@node posix_spawnp @section @code{posix_spawnp} @findex posix_spawnp POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/posix_spawnp.html} Gnulib module: posix_spawnp Portability problems fixed by Gnulib: @itemize @item This function is missing on some platforms: FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.3, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 9, Cygwin 1.7.x, mingw, MSVC 14, Android 8.1. @item When this function fails, it causes the stdio buffer contents to be output twice on some platforms: AIX 6.1. @item When the program to be invoked is an executable script without a @samp{#!} marker in the first line, this function executes the script as if it were a shell script, on some platforms: glibc 2.14/Linux, glibc 2.32/Hurd, macOS 12.5, FreeBSD 13.2, OpenBSD 7.2, AIX 7.2, Solaris 11.4, Cygwin 3.4.x. @end itemize Portability problems not fixed by Gnulib: @itemize @item This function does not work on some platforms: AIX 6.1 (under particular circumstances). @end itemize The Gnulib modules @code{posix_spawn_file_actions_addchdir} and @code{posix_spawn_file_actions_addfchdir} provide additional actions, that consist in changing the current directory of the child process before starting the specified program.