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If the initial attempt to open /dev/ksyms fails, kldload the ksyms module

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and retry.
This commit is contained in:
Mark Johnston 2013-10-27 16:18:48 +00:00
parent a10f58d076
commit 5d76604145
1 changed files with 11 additions and 0 deletions
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11
cddl/contrib/opensolaris/cmd/lockstat/sym.c
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@ -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);