* libgomp.h (gomp_cpu_affinity, gomp_cpu_affinity_len): New extern
decls.
(gomp_init_affinity, gomp_init_thread_affinity): New prototypes.
* env.c (gomp_cpu_affinity, gomp_cpu_affinity_len): New variables.
(parse_affinity): New function.
(initialize_env): Call it and gomp_init_affinity.
* team.c (gomp_team_start): If gomp_cpu_affinity != NULL,
create new pthread_attr_t and call gomp_init_thread_affinity
on it for each thread before passing the attribute to pthread_create.
* config/linux/affinity.c: New file.
* config/posix/affinity.c: New file.
* configure.ac (HAVE_PTHREAD_AFFINITY_NP): New test.
* configure: Rebuilt.
* config.h.in: Rebuilt.
* Makefile.am (libgomp_la_SOURCES): Add affinity.c.
* Makefile.in: Rebuilt.
From-SVN: r123494
