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getloadavg patches merged from coreutils
From: |
Paul Eggert |
Subject: |
getloadavg patches merged from coreutils |
Date: |
Thu, 22 Sep 2005 16:15:59 -0700 |
User-agent: |
Gnus/5.1007 (Gnus v5.10.7) Emacs/21.4 (gnu/linux) |
I installed this:
2005-09-22 Paul Eggert <address@hidden>
* getloadavg.c: Include fcntl--.h rather than fcntl.h.
Do not include unistd-safer.h.
(getloadavg): Don't call fd_safer; no longer needed
now that we include fcntl--.h.
2005-09-22 Jim Meyering <address@hidden>
* getloadavg.c:
Assume HAVE_UNISTD_H, i.e., include <unistd.h> unconditionally.
Assume HAVE_FCNTL_H (i.e., include <fcntl.h> unconditionally,
and don't include <sys/file.h>).
2005-09-22 Eric Blake <address@hidden> (tiny change)
* getloadavg.c (getloadavg) [__CYGWIN__]: Port to cygwin.
[__linux__]: Allocate a big enough buffer for /proc/loadavg.
[!LDAV_DONE]: Avoid unused variable warning.
Index: lib/getloadavg.c
===================================================================
RCS file: /cvsroot/gnulib/gnulib/lib/getloadavg.c,v
retrieving revision 1.28
diff -p -u -r1.28 getloadavg.c
--- lib/getloadavg.c 2 Jul 2005 09:45:08 -0000 1.28
+++ lib/getloadavg.c 22 Sep 2005 23:13:50 -0000
@@ -47,7 +47,8 @@
the nlist n_name element is a pointer,
not an array.
HAVE_STRUCT_NLIST_N_UN_N_NAME `n_un.n_name' is member of `struct nlist'.
- LINUX_LDAV_FILE [__linux__]: File containing load averages.
+ LINUX_LDAV_FILE [__linux__, __CYGWIN__]: File containing
+ load averages.
Specific system predefines this file uses, aside from setting
default values if not emacs:
@@ -70,6 +71,7 @@
WINDOWS32 No-op for Windows95/NT.
__linux__ Linux: assumes /proc file system mounted.
Support from Michael K. Johnson.
+ __CYGWIN__ Cygwin emulates linux /proc/loadavg.
__NetBSD__ NetBSD: assumes /kern file system mounted.
In addition, to avoid nesting many #ifdefs, we internally set
@@ -346,9 +348,7 @@
# define LDAV_SYMBOL "avenrun"
# endif
-# ifdef HAVE_UNISTD_H
-# include <unistd.h>
-# endif
+# include <unistd.h>
/* LOAD_AVE_TYPE should only get defined if we're going to use the
nlist method. */
@@ -447,9 +447,7 @@
# include <sys/dg_sys_info.h>
# endif
-# include <fcntl.h>
-
-# include "unistd-safer.h"
+# include "fcntl--.h"
/* Avoid static vars inside a function since in HPUX they dump as pure. */
@@ -567,7 +565,7 @@ getloadavg (double loadavg[], int nelem)
# endif /* hpux && HAVE_PSTAT_GETDYNAMIC */
-# if !defined (LDAV_DONE) && defined (__linux__)
+# if !defined (LDAV_DONE) && (defined (__linux__) || defined (__CYGWIN__))
# define LDAV_DONE
# undef LOAD_AVE_TYPE
@@ -575,7 +573,7 @@ getloadavg (double loadavg[], int nelem)
# define LINUX_LDAV_FILE "/proc/loadavg"
# endif
- char ldavgbuf[3 * (INT_STRLEN_BOUND (long int) + sizeof ".00")];
+ char ldavgbuf[3 * (INT_STRLEN_BOUND (int) + sizeof ".00 ")];
char const *ptr = ldavgbuf;
int fd, count;
@@ -604,7 +602,7 @@ getloadavg (double loadavg[], int nelem)
return elem;
-# endif /* __linux__ */
+# endif /* __linux__ || __CYGWIN__ */
# if !defined (LDAV_DONE) && defined (__NetBSD__)
# define LDAV_DONE
@@ -909,7 +907,7 @@ getloadavg (double loadavg[], int nelem)
if (!getloadavg_initialized)
{
# ifndef SUNOS_5
- channel = fd_safer (open ("/dev/kmem", O_RDONLY));
+ channel = open ("/dev/kmem", O_RDONLY);
if (channel >= 0)
{
/* Set the channel to close on exec, so it does not
@@ -968,14 +966,13 @@ getloadavg (double loadavg[], int nelem)
# define LDAV_DONE
# endif /* !LDAV_DONE && LOAD_AVE_TYPE */
-# ifdef LDAV_DONE
- return elem;
-# else
+# if !defined LDAV_DONE
/* Set errno to zero to indicate that there was no particular error;
this function just can't work at all on this system. */
errno = 0;
- return -1;
+ elem = -1;
# endif
+ return elem;
}
#endif /* ! HAVE_GETLOADAVG */
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