Changeset: 47ad11127c89 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=47ad11127c89
Modified Files:
gdk/gdk_utils.c
Branch: default
Log Message:
Merged with linear-hashing
diffs (73 lines):
diff --git a/gdk/gdk_utils.c b/gdk/gdk_utils.c
--- a/gdk/gdk_utils.c
+++ b/gdk/gdk_utils.c
@@ -404,9 +404,48 @@ MT_init(void)
#ifdef __linux__
/* limit values to whatever cgroups gives us */
FILE *fc;
+ char buf[1024];
+ char cgr1[1024] = "/sys/fs/cgroup/memory";
+ char cgr2[1024] = "/sys/fs/cgroup";
+ fc = fopen("/proc/self/mountinfo", "r");
+ if (fc != NULL) {
+ while (fgets(buf, (int) sizeof(buf), fc) != NULL) {
+ char *p, *cgr;
+ if ((p = strstr(buf, " - cgroup ")) != NULL &&
+ strstr(p, "memory") != NULL)
+ cgr = cgr1;
+ else if (strstr(buf, " - cgroup2 ") != NULL)
+ cgr = cgr2;
+ else
+ continue;
+ /* buf point at mount ID */
+ p = strchr(buf, ' ');
+ if (p++ == NULL)
+ break;
+ /* p points at parent ID */
+ p = strchr(p, ' ');
+ if (p++ == NULL)
+ break;
+ /* p points at major:minor */
+ p = strchr(p, ' ');
+ if (p++ == NULL)
+ break;
+ /* p points at root */
+ p = strchr(p, ' ');
+ if (p++ == NULL)
+ break;
+ /* p points at mount point */
+ char *dir = p;
+ p = strchr(p, ' ');
+ if (p == NULL)
+ break;
+ *p = 0;
+ strcpy(cgr, dir);
+ }
+ fclose(fc);
+ }
fc = fopen("/proc/self/cgroup", "r");
if (fc != NULL) {
- char buf[1024];
/* each line is of the form:
* hierarchy-ID:controller-list:cgroup-path
*
@@ -440,8 +479,7 @@ MT_init(void)
if (strncmp(buf, "0::", 3) == 0) {
/* cgroup v2 entry */
l = strconcat_len(pth, sizeof(pth),
- "/sys/fs/cgroup",
- buf + 3, "/", NULL);
+ cgr2, buf + 3, "/", NULL);
/* hard limit */
strcpy(pth + l, "memory.max");
f = fopen(pth, "r");
@@ -489,8 +527,7 @@ MT_init(void)
if (strstr(q, "memory") == NULL)
continue;
l = strconcat_len(pth, sizeof(pth),
- "/sys/fs/cgroup/", q,
- p, "/", NULL);
+ cgr1, p, "/", NULL);
/* limit of memory usage */
strcpy(pth + l, "memory.limit_in_bytes");
f = fopen(pth, "r");
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