bpo-20104: Expose `posix_spawn` in the os module (GH-5109)
Add os.posix_spawn to wrap the low level POSIX API of the same name.
Contributed by Pablo Galindo.
diff --git a/configure.ac b/configure.ac
index b901f80..6524863 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3431,7 +3431,7 @@
initgroups kill killpg lchmod lchown lockf linkat lstat lutimes mmap \
memrchr mbrtowc mkdirat mkfifo \
mkfifoat mknod mknodat mktime mremap nice openat pathconf pause pipe2 plock poll \
- posix_fallocate posix_fadvise pread preadv preadv2 \
+ posix_fallocate posix_fadvise posix_spawn pread preadv preadv2 \
pthread_init pthread_kill putenv pwrite pwritev pwritev2 readlink readlinkat readv realpath renameat \
sem_open sem_timedwait sem_getvalue sem_unlink sendfile setegid seteuid \
setgid sethostname \