Enable control socket when run as init process.

* configure.ac (DEFAULT_CONTROL_URL): Rename to
DEFAULT_PIES_CONTROL_URL.  Change default value.
(DEFAULT_INIT_CONTROL_URL): New subst variable.
* lib/libpies.h (pies_basic_url_create): New prototype.
* lib/url.c (pies_basic_url_create): New function (renamed
from pies_url_create).
(pies_url_create): Expand variable references in the input string.
* src/Makefile.am (AM_CPPFLAGS): Pass DEFAULT_INIT_CONTROL_URL
* src/ctl.c (pies_control_url)
(ctl_open): Don't exit on errors, return -1 instead.
* src/pies.c (default_control_url): New variable.
(config_parse): Create default socket url.
(pies_control_url): New macro
(main): Set environment variable PIES_INSTANCE.
Try to open control socket in init process mode as well.
* src/pies.h (default_control_url): New extern.
(ctl_open): Change prototype.
(pies_control_url): Remove.
* src/piesctl-cl.opt (parse_options): Set environment variable
 PIES_INSTANCE.
* src/piesctl.c (parse_config): Use pies_url_create and
DEFAULT_PIES_CONTROL_URL when falling back to the default socket.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/pies.h b/src/pies.h
index f69c512..f22ccb2 100644
--- a/src/pies.h
+++ b/src/pies.h
@@ -292,6 +292,7 @@ extern int dfl_level;
 
 extern size_t pies_master_argc;
 extern char **pies_master_argv;
+extern char *default_control_url[2];
 
 enum config_syntax
   {
@@ -549,5 +550,4 @@ struct control
 
 extern struct control control;
 
-void ctl_open(void);
-char const *pies_control_url (void);
+int ctl_open(void);