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Diffstat (limited to 'sysdeps/osf1/proclist.c')
| -rw-r--r-- | sysdeps/osf1/proclist.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/sysdeps/osf1/proclist.c b/sysdeps/osf1/proclist.c deleted file mode 100644 index 7d5f5bd3..00000000 --- a/sysdeps/osf1/proclist.c +++ /dev/null @@ -1,170 +0,0 @@ -/* Copyright (C) 1998-99 Martin Baulig - This file is part of LibGTop 1.0. - - Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998. - - LibGTop is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - LibGTop is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - for more details. - - You should have received a copy of the GNU General Public License - along with LibGTop; see the file COPYING. If not, write to the - Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. -*/ - -#include <config.h> -#include <glibtop.h> -#include <glibtop/error.h> -#include <glibtop/proclist.h> - -#include <glibtop_suid.h> - -static const unsigned long _glibtop_sysdeps_proclist = -(1L << GLIBTOP_PROCLIST_TOTAL) + (1L << GLIBTOP_PROCLIST_NUMBER) + -(1L << GLIBTOP_PROCLIST_SIZE); - -/* Init function. */ - -void -_glibtop_init_proclist_p (glibtop *server) -{ - server->sysdeps.proclist = _glibtop_sysdeps_proclist; -} - -/* How many elements are there per proctable entry? */ - -#define ELEMENTS_PER_ENTRY 8 - -/* We have a buffer for BLOCK_COUNT pids; when it's full, it is copied - * to a newly realloc()ed area. */ - -#define BLOCK_COUNT 256 -#define BLOCK_SIZE (BLOCK_COUNT * sizeof (unsigned)) - -/* Fetch list of currently running processes. - * - * The interface of this function is a little bit different from the others: - * buf->flags is only set if the call succeeded, in this case pids_chain, - * a list of the pids of all currently running processes is returned, - * buf->number is the number of elements of this list and buf->size is - * the size of one single element (sizeof (unsigned)). The total size is - * stored in buf->total. - * - * The calling function has to free the memory to which a pointer is returned. - * - * On error, NULL is returned and buf->flags is zero. */ - -/* !!! THIS FUNCTION RUNS SUID ROOT - CHANGE WITH CAUTION !!! */ - -unsigned * -glibtop_get_proclist_p (glibtop *server, glibtop_proclist *buf, - gint64 which, gint64 arg) -{ - unsigned count = 0, total = 0; - unsigned pids [BLOCK_COUNT], *pids_chain = NULL; - unsigned pids_size = 0, pids_offset = 0, new_size; - struct tbl_procinfo procinfo [8]; - int entry, max_elements, k; - - glibtop_init_p (server, GLIBTOP_SYSDEPS_PROCLIST, 0); - - memset (buf, 0, sizeof (glibtop_proclist)); - - for (entry = 0; entry < server->machine.proctable_entries; - entry += ELEMENTS_PER_ENTRY) - { - /* !!! THE FOLLOWING CODE RUNS SUID ROOT - - * CHANGE WITH CAUTION !!! */ - - glibtop_suid_enter (server); - - max_elements = table - (TBL_PROCINFO, entry, (char *) &procinfo, - ELEMENTS_PER_ENTRY, sizeof (struct tbl_procinfo)); - - glibtop_suid_leave (server); - - /* !!! END OF SUID ROOT PART !!! */ - - for (k = 0; k < max_elements; k++) - { - /* Does this entry contain a real process? */ - - if (procinfo [k].pi_status == 0) - continue; - - /* Fine. Now we first try to store it in pids. - * If this buffer is full, we copy it to the - * pids_chain. */ - - if (count >= BLOCK_COUNT) { - - /* The following call to g_realloc () - * will be equivalent to g_malloc () - * if `pids_chain' is NULL. We just calculate - * the new size and copy `pids' to the - * beginning of the newly allocated block. */ - - new_size = pids_size + BLOCK_SIZE; - - pids_chain = g_realloc - (server, pids_chain, new_size); - - memcpy (pids_chain + pids_offset, - pids, BLOCK_SIZE); - - pids_size = new_size; - - pids_offset += BLOCK_COUNT; - - count = 0; - } - - /* pids is now big enough to hold at least - * one single pid. */ - - pids [count++] = procinfo [k].pi_pid; - - total++; - } - } - - /* count is only zero if an error occured - * (eg. the server is not suid root). */ - - if (!count) return NULL; - - /* The following call to g_realloc () will be equivalent to - * g_malloc () if `pids_chain' is NULL. We just calculate the - * new size and copy `pids' to the beginning of the newly allocated - * block. */ - - new_size = pids_size + count * sizeof (unsigned); - - pids_chain = g_realloc (server, pids_chain, new_size); - - memcpy (pids_chain + pids_offset, pids, count * sizeof (unsigned)); - - pids_size = new_size; - - pids_offset += BLOCK_COUNT; - - /* Since everything is ok now, we can set buf->flags, fill in the - * remaining fields and return `pids_chain'. */ - - buf->flags = _glibtop_sysdeps_proclist; - - buf->size = sizeof (unsigned); - buf->number = total; - - buf->total = total * sizeof (unsigned); - - return pids_chain; -} |