numactl/numactl-2.0.3-rc3-distance_parsing.patch
2009-05-08 18:56:31 +00:00

39 lines
1.1 KiB
Diff

diff -up numactl-2.0.3-rc3/distance.c.orig numactl-2.0.3-rc3/distance.c
--- numactl-2.0.3-rc3/distance.c.orig 2009-05-08 10:10:06.000000000 -0400
+++ numactl-2.0.3-rc3/distance.c 2009-05-08 10:13:01.000000000 -0400
@@ -50,6 +50,7 @@ static int read_distance_table(void)
int numnodes = 0;
int *table = NULL;
int err = -1;
+ int found_nodes = 0;
for (nd = 0;; nd++) {
char fn[100];
@@ -57,7 +58,7 @@ static int read_distance_table(void)
sprintf(fn, "/sys/devices/system/node/node%d/distance", nd);
dfh = fopen(fn, "r");
if (!dfh) {
- if (errno == ENOENT && nd > 0)
+ if (errno == ENOENT)
err = 0;
if (!err && nd<numa_num_configured_nodes())
continue;
@@ -79,14 +80,15 @@ static int read_distance_table(void)
}
parse_numbers(line, table + nd * numnodes, numnodes);
+ found_nodes++;
}
free(line);
- if (err) {
+ if (!found_nodes) {
numa_warn(W_distance,
"Cannot parse distance information in sysfs: %s",
strerror(errno));
free(table);
- return err;
+ return -1;
}
/* Update the global table pointer. Race window here with
other threads, but in the worst case we leak one distance