archie/prospero/patches/done/10Mar94.dnscache1.patch
2024-05-27 16:13:40 +02:00

32 lines
937 B
Diff

diff -b -r -c -N 10Mar94.all/lib/ardp/hostname2adr.c 10Mar94+/lib/ardp/hostname2adr.c
*** 10Mar94.all/lib/ardp/hostname2adr.c Tue Apr 26 16:33:30 1994
--- 10Mar94+/lib/ardp/hostname2adr.c Wed Apr 27 01:07:43 1994
***************
*** 98,104 ****
{
DNSCACHE dc, nextdc;
if (alldnscache_count > DNSCACHE_MAX) {
! p_th_mutex_lock(p_th_mutexALLDNSCACHE);
for (dc = alldnscaches; dc ; dc = nextdc) {
nextdc = dc->next;
if (!(--dc->usecount)) {
--- 98,105 ----
{
DNSCACHE dc, nextdc;
if (alldnscache_count > DNSCACHE_MAX) {
! if (! p_th_mutex_trylock(p_th_mutexALLDNSCACHE)) {
! /* Since this is only optimisation, skip if its locked already */
for (dc = alldnscaches; dc ; dc = nextdc) {
nextdc = dc->next;
if (!(--dc->usecount)) {
***************
*** 109,114 ****
--- 110,116 ----
}
p_th_mutex_unlock(p_th_mutexALLDNSCACHE);
}
+ }
}
int