diff options
| author | jhb <jhb@FreeBSD.org> | 2003-04-25 19:51:41 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2003-04-25 19:51:41 +0000 |
| commit | 61d12d651940a5b8227a7eb7c8cb8dc39a98ebb8 (patch) | |
| tree | 7e02aa076c883becc84a65077d8fe081a2107eae /sys/alpha | |
| parent | 10710f6bc90e194670a95f2657cecc7208bc5152 (diff) | |
| download | FreeBSD-src-61d12d651940a5b8227a7eb7c8cb8dc39a98ebb8.zip FreeBSD-src-61d12d651940a5b8227a7eb7c8cb8dc39a98ebb8.tar.gz | |
Lock Giant around userland_sysctl() to get the hostname in osf1_sysinfo()
so that the function is MP safe. The rest of the function doesn't need
Giant.
Diffstat (limited to 'sys/alpha')
| -rw-r--r-- | sys/alpha/osf1/osf1_misc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/alpha/osf1/osf1_misc.c b/sys/alpha/osf1/osf1_misc.c index 8b49723..9232c9c 100644 --- a/sys/alpha/osf1/osf1_misc.c +++ b/sys/alpha/osf1/osf1_misc.c @@ -1781,6 +1781,9 @@ osf1_table(td, uap) } +/* + * MPSAFE + */ int osf1_sysinfo(td, uap) struct thread *td; @@ -1804,8 +1807,10 @@ osf1_sysinfo(td, uap) len = uap->count; name[0] = CTL_KERN; name[1] = KERN_HOSTNAME; + mtx_lock(&Giant); retval = userland_sysctl(td, name, 2, uap->buf, &len, 1, 0, 0, &bytes); + mtx_unlock(&Giant); td->td_retval[0] = bytes; return(retval); break; |
