Author: markj
Date: Sun Oct 27 16:18:48 2013
New Revision: 257213
URL: http://svnweb.freebsd.org/changeset/base/257213
Log:
If the initial attempt to open /dev/ksyms fails, kldload the ksyms module
and retry.
Modified:
head/cddl/contrib/opensolaris/cmd/lockstat/sym.c
Modified: head/cddl/contrib/opensolaris/cmd/lockstat/sym.c
==============================================================================
--- head/cddl/contrib/opensolaris/cmd/lockstat/sym.c Sun Oct 27 16:01:11
2013 (r257212)
+++ head/cddl/contrib/opensolaris/cmd/lockstat/sym.c Sun Oct 27 16:18:48
2013 (r257213)
@@ -179,8 +179,19 @@ symtab_init(void)
size_t sz;
#endif
+#if defined(__FreeBSD__)
+ if ((fd = open("/dev/ksyms", O_RDONLY)) == -1) {
+ if (errno == ENOENT && modfind("ksyms") == -1) {
+ kldload("ksyms");
+ fd = open("/dev/ksyms", O_RDONLY);
+ }
+ if (fd == -1)
+ return (-1);
+ }
+#else
if ((fd = open("/dev/ksyms", O_RDONLY)) == -1)
return (-1);
+#endif
#if defined(sun)
(void) elf_version(EV_CURRENT);
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