---

10.748 posix_spawnp

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/posix_spawnp.html

Gnulib module: posix_spawnp

Portability problems fixed by Gnulib:

• 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, Solaris 9, Cygwin 1.7.x, mingw, MSVC 14, Android 8.1.
• When this function fails, it causes the stdio buffer contents to be output twice on some platforms: AIX 6.1.
• When the program to be invoked is an executable script without a ‘#!’ 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 14, FreeBSD 14.0, OpenBSD 7.2, AIX 7.2, Solaris 11.4, Cygwin 3.4.6.

Portability problems not fixed by Gnulib:

• This function does not work on some platforms: AIX 6.1 (under particular circumstances).

The Gnulib modules posix_spawn_file_actions_addchdir and posix_spawn_file_actions_addfchdir provide additional actions, that consist in changing the current directory of the child process before starting the specified program.