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-rwxr-xr-xConfigure8
-rw-r--r--config_h.SH6
-rw-r--r--mg.c27
-rw-r--r--perl.h4
-rw-r--r--pod/perlvar.pod5
5 files changed, 46 insertions, 4 deletions
diff --git a/Configure b/Configure
index 5a541b84e0..54c85e2338 100755
--- a/Configure
+++ b/Configure
@@ -20,7 +20,7 @@
# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
-# Generated on Tue Aug 1 20:27:06 EET DST 2000 [metaconfig 3.0 PL70]
+# Generated on Wed Aug 2 03:07:08 EET DST 2000 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by perlbug@perl.com)
cat >/tmp/c1$$ <<EOF
@@ -625,6 +625,7 @@ i_grp=''
i_iconv=''
i_ieeefp=''
i_inttypes=''
+i_libutil=''
i_limits=''
i_locale=''
i_machcthr=''
@@ -14372,6 +14373,10 @@ eval $inhdr
set ieeefp.h i_ieeefp
eval $inhdr
+: see if this is a libutil.h system
+set libutil.h i_libutil
+eval $inhdr
+
: see if locale.h is available
set locale.h i_locale
eval $inhdr
@@ -15681,6 +15686,7 @@ i_grp='$i_grp'
i_iconv='$i_iconv'
i_ieeefp='$i_ieeefp'
i_inttypes='$i_inttypes'
+i_libutil='$i_libutil'
i_limits='$i_limits'
i_locale='$i_locale'
i_machcthr='$i_machcthr'
diff --git a/config_h.SH b/config_h.SH
index 70aaefe2f2..e66e0c5ed0 100644
--- a/config_h.SH
+++ b/config_h.SH
@@ -3156,5 +3156,11 @@ sed <<!GROK!THIS! >$CONFIG_H -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un
#define PERL_XS_APIVERSION "$xs_apiversion"
#define PERL_PM_APIVERSION "$pm_apiversion"
+/* I_LIBUTIL:
+ * This symbol, if defined, indicates that <libutil.h> exists and
+ * should be included.
+ */
+#$i_libutil I_LIBUTIL /**/
+
#endif
!GROK!THIS!
diff --git a/mg.c b/mg.c
index 84fff24278..3cf8f59a6a 100644
--- a/mg.c
+++ b/mg.c
@@ -1999,6 +1999,30 @@ Perl_magic_set(pTHX_ SV *sv, MAGIC *mg)
break;
#ifndef MACOS_TRADITIONAL
case '0':
+#ifdef HAS_SETPROCTITLE
+ /* The BSDs don't show the argv[] in ps(1) output, they
+ * show a string from the process struct and provide
+ * the setproctitle() routine to manipulate that. */
+ {
+ s = SvPV(sv, len);
+# if __FreeBSD_version >= 400000
+ /* The - removes the "perl: " prefix,
+ * but not the "(perl) suffix from the ps(1)
+ * output, because that's what ps(1) shows if the
+ * argv[] is modified. */
+ setproctitle("-%s", s, len + 1);
+# else /* old FreeBSDs, NetBSD, OpenBSD */
+ /* This doesn't really work if you assume that
+ * $0 = 'foobar'; will wipe out 'perl' from the $0
+ * because in ps(1) output the result will be like
+ * sprintf("perl: %s (perl)", s)
+ * I guess this is a security feature:
+ * one (a user process) cannot get rid of the original name.
+ * --jhi */
+ setproctitle("%s", s);
+# endif
+ }
+#endif
if (!PL_origalen) {
s = PL_origargv[0];
s += strlen(s);
@@ -2054,9 +2078,6 @@ Perl_magic_set(pTHX_ SV *sv, MAGIC *mg)
for (i = 1; i < PL_origargc; i++)
PL_origargv[i] = Nullch;
}
-#ifdef HAS_SETPROCTITLE
- setproctitle("%s", SvPV_nolen(sv));
-#endif
break;
#endif
#ifdef USE_THREADS
diff --git a/perl.h b/perl.h
index f01be71d08..48e8801c6f 100644
--- a/perl.h
+++ b/perl.h
@@ -3324,6 +3324,10 @@ typedef struct am_table_short AMTS;
#endif /* IAMSUID */
+#ifdef I_LIBUTIL
+# include <libutil.h> /* setproctitle() in some FreeBSDs */
+#endif
+
/* and finally... */
#define PERL_PATCHLEVEL_H_IMPLICIT
#include "patchlevel.h"
diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index 15308e45aa..e75cf35f73 100644
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -691,6 +691,11 @@ program sees. This is more useful as a way of indicating the current
program state than it is for hiding the program you're running.
(Mnemonic: same as B<sh> and B<ksh>.)
+Note for BSD users: setting C<$0> does not completely remove "perl"
+from the ps(1) output. For example, setting C<$0> to C<"foobar"> will
+result in C<"perl: foobar (perl)">. This is an operating system
+feature.
+
=item $[
The index of the first element in an array, and of the first character