SymbX/systemd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

shared/bus-unit-util: define helper function for resource limits

Browse Source
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2025-07-03 10:37:33 +02:00
parent 3704d0ad1b
commit 40fcb3185d
1 changed files with 42 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/shared/bus-unit-util.c
+42 -43
View File
@@ -314,6 +314,46 @@ static int bus_append_parse_delegate(sd_bus_message *m, const char *field, const
return 1;
}
static int bus_append_parse_resource_limit(sd_bus_message *m, const char *field, const char *eq) {
int r;
if (isempty(eq) || streq(eq, "infinity")) {
uint64_t x = streq(eq, "infinity") ? CGROUP_LIMIT_MAX :
STR_IN_SET(field,
"DefaultMemoryLow",
"DefaultMemoryMin",
"MemoryLow",
"MemoryMin") ? CGROUP_LIMIT_MIN : CGROUP_LIMIT_MAX;
r = sd_bus_message_append(m, "(sv)", field, "t", x);
if (r < 0)
return bus_log_create_error(r);
return 1;
}
r = parse_permyriad(eq);
if (r >= 0) {
char *n;
/* When this is a percentage we'll convert this into a relative value in the range
* 0…UINT32_MAX and pass it in the MemoryLowScale property (and related ones). This
* way the physical memory size can be determined server-side. */
n = strjoina(field, "Scale");
r = sd_bus_message_append(m, "(sv)", n, "u", UINT32_SCALE_FROM_PERMYRIAD(r));
if (r < 0)
return bus_log_create_error(r);
return 1;
}
if (streq(field, "TasksMax"))
return bus_append_safe_atou64(m, field, eq);
return bus_append_parse_size(m, field, eq, 1024);
}
static int bus_append_exec_command(sd_bus_message *m, const char *field, const char *eq) {
bool explicit_path = false, done = false, ambient_hack = false;
_cleanup_strv_free_ char **l = NULL, **ex_opts = NULL;
@@ -667,49 +707,8 @@ static int bus_append_cgroup_property(sd_bus_message *m, const char *field, cons
"MemoryMax",
"MemorySwapMax",
"MemoryZSwapMax",
"TasksMax")) {
if (streq(eq, "infinity")) {
r = sd_bus_message_append(m, "(sv)", field, "t", CGROUP_LIMIT_MAX);
if (r < 0)
return bus_log_create_error(r);
return 1;
} else if (isempty(eq)) {
uint64_t empty_value = STR_IN_SET(field,
"DefaultMemoryLow",
"DefaultMemoryMin",
"MemoryLow",
"MemoryMin") ?
CGROUP_LIMIT_MIN :
CGROUP_LIMIT_MAX;
r = sd_bus_message_append(m, "(sv)", field, "t", empty_value);
if (r < 0)
return bus_log_create_error(r);
return 1;
}
r = parse_permyriad(eq);
if (r >= 0) {
char *n;
/* When this is a percentage we'll convert this into a relative value in the range
* 0…UINT32_MAX and pass it in the MemoryLowScale property (and related ones). This
* way the physical memory size can be determined server-side. */
n = strjoina(field, "Scale");
r = sd_bus_message_append(m, "(sv)", n, "u", UINT32_SCALE_FROM_PERMYRIAD(r));
if (r < 0)
return bus_log_create_error(r);
return 1;
}
if (streq(field, "TasksMax"))
return bus_append_safe_atou64(m, field, eq);
return bus_append_parse_size(m, field, eq, 1024);
}
"TasksMax"))
return bus_append_parse_resource_limit(m, field, eq);
if (streq(field, "CPUQuota")) {
if (isempty(eq))