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New fields error_method', sysdeps' and `required'. I added an improved

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1998-08-07  Martin Baulig  <martin@home-of-linux.org>

	* glibtop.h (_glibtop): New fields `error_method', `sysdeps' and
	`required'. I added an improved error handling: the client can tell
	the libraries which fields are absolutely required for each features
	and if it fails to set one of them, this will create an error which
	is handled depending upon the `error_method'.

	* include/glibtop/open.h: Define some constants for `error_method'.

	* lib/sysdeps.c (glibtop_get_sysdeps_r): No longer actually call any
	sysdeps function, it now simply copies `server->sysdeps'.
	(_glibtop_init_hook_s): Added. List of functions to be called during
	`glibtop_init_s' set to `glibtop_init_<no-suid-feature>_s'.

	* include/glibtop/sysdeps.h (<glibtop/union.h>): Removed.
	(glibtop_init_func_t): New typedef.
	(_glibtop_init_hook_s): Added.

	* sysdeps/linux/*.c (glibtop_init_<feature>_s): New functions.
	(glibtop_get_proc_*): Zero is now a valid pid.

	* sysdeps/kernel/*.c (glibtop_init_<feature>_s): New functions.
	(glibtop_get_proc_*): Zero is now a valid pid.

1998-08-06  Martin Baulig  <martin@home-of-linux.org>
This commit is contained in:
Martin Baulig
1998-08-07 10:01:55 +00:00
committed by Martin Baulig
parent 09e1353d0d
commit 4b3fcf149a
61 changed files with 537 additions and 191 deletions
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44
lib/init.c
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@@ -21,6 +21,7 @@
#include <glibtop.h>
#include <glibtop/xmalloc.h>
#include <glibtop/sysdeps.h>
#include <glibtop/parameter.h>
#ifndef DEFAULT_PORT
@@ -30,7 +31,6 @@
static glibtop _glibtop_global_server;
glibtop *glibtop_global_server = &_glibtop_global_server;
void
_init_server (glibtop *server, const unsigned features)
{
@@ -109,7 +109,7 @@ _init_server (glibtop *server, const unsigned features)
/* Override default. */
if (server->server_host)
glibtop_free_r (server, (char *) server->server_host);
glibtop_free_r (server, server->server_host);
server->server_host = glibtop_strdup_r
(server, temp+1);
@@ -193,19 +193,35 @@ glibtop_init_r (glibtop **server_ptr, const unsigned long features,
}
glibtop *
glibtop_init_s (glibtop **server, const unsigned long features,
glibtop_init_s (glibtop **server_ptr, const unsigned long features,
const unsigned flags)
{
if (*server != NULL)
return *server;
fprintf (stderr, "DEBUG: %s (%d)\n", __FILE__, __LINE__);
if (glibtop_global_server == NULL) {
glibtop_global_server = &_glibtop_global_server;
glibtop_open_s (glibtop_global_server, "glibtop",
features, flags);
}
glibtop *server;
glibtop_init_func_t *init_fkt;
return *server = glibtop_global_server;
if (server_ptr == NULL)
return NULL;
if (*server_ptr == NULL)
*server_ptr = glibtop_global_server;
server = *server_ptr;
/* Should we do the initialization? */
if (flags & GLIBTOP_INIT_NO_INIT)
return server;
/* Do the initialization, but only if not already initialized. */
if ((server->flags & _GLIBTOP_INIT_STATE_INIT) == 0) {
glibtop_open_s (server, "glibtop", features, flags);
for (init_fkt = _glibtop_init_hook_s; *init_fkt; init_fkt++)
(*init_fkt) (server);
server->flags |= _GLIBTOP_INIT_STATE_INIT;
}
return server;
}