posix: Make posix_spawn extensions available by default

Some sources merely include <spawn.h> without -D_GNU_SOURCE and expect
declarations for posix_spawn_file_actions_addchdir_np to be available.
For consistency, declare posix_spawn_file_actions_addfchdir_np,
posix_spawn_file_actions_addclosefrom_np,
posix_spawn_file_actions_addtcsetpgrp_np as well.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

diff --git a/posix/spawn.h b/posix/spawn.h
index c4a81227b04490b817ed4a5784f2e5a47c4ccbf7..f3bcbc56be142369a8e3c67fa253b5f21d0cb520 100644 (file)
--- a/posix/spawn.h
+++ b/posix/spawn.h
@@ -198,7 +198,7 @@ extern int posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *
                                             int __fd, int __newfd)
      __THROW __nonnull ((1));
 
-#ifdef __USE_GNU
+#ifdef __USE_MISC
 /* Add an action changing the directory to PATH during spawn.  This
    affects the subsequent file actions.  */
 extern int posix_spawn_file_actions_addchdir_np (posix_spawn_file_actions_t *
@@ -227,7 +227,7 @@ posix_spawn_file_actions_addtcsetpgrp_np (posix_spawn_file_actions_t *,
                                          int __tcfd)
      __THROW __nonnull ((1));
 
-#endif
+#endif /* __USE_MISC */
 
 __END_DECLS