X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fcgroup-attr.c;h=7e3e08eabb2e952d2700580bbb7d81ee557f88b3;hp=aed4e99d864d6bf74f6a98d26e086af06f14247f;hb=97d0e5f83ba4dd713170f802b90149b7325bc992;hpb=d2a30975827b3447ca0fd5a2c06ec1ff15ce7f0f diff --git a/src/core/cgroup-attr.c b/src/core/cgroup-attr.c index aed4e99d8..7e3e08eab 100644 --- a/src/core/cgroup-attr.c +++ b/src/core/cgroup-attr.c @@ -22,10 +22,11 @@ #include "cgroup-attr.h" #include "cgroup-util.h" #include "list.h" +#include "fileio.h" int cgroup_attribute_apply(CGroupAttribute *a, CGroupBonding *b) { - int r; _cleanup_free_ char *path = NULL, *v = NULL; + int r; assert(a); @@ -33,8 +34,8 @@ int cgroup_attribute_apply(CGroupAttribute *a, CGroupBonding *b) { if (!b) return 0; - if (a->map_callback) { - r = a->map_callback(a->controller, a->name, a->value, &v); + if (a->semantics && a->semantics->map_write) { + r = a->semantics->map_write(a->semantics, a->value, &v); if (r < 0) return r; } @@ -43,7 +44,7 @@ int cgroup_attribute_apply(CGroupAttribute *a, CGroupBonding *b) { if (r < 0) return r; - r = write_one_line_file(path, v ? v : a->value); + r = write_string_file(path, v ? v : a->value); if (r < 0) log_warning("Failed to write '%s' to %s: %s", v ? v : a->value, path, strerror(-r)); @@ -65,6 +66,29 @@ int cgroup_attribute_apply_list(CGroupAttribute *first, CGroupBonding *b) { return r; } +bool cgroup_attribute_matches(CGroupAttribute *a, const char *controller, const char *name) { + assert(a); + + if (controller) { + if (streq(a->controller, controller) && (!name || streq(a->name, name))) + return true; + + } else if (!name) + return true; + else if (streq(a->name, name)) { + size_t x, y; + x = strlen(a->controller); + y = strlen(name); + + if (y > x && + memcmp(a->controller, name, x) == 0 && + name[x] == '.') + return true; + } + + return false; +} + CGroupAttribute *cgroup_attribute_find_list( CGroupAttribute *first, const char *controller, @@ -73,24 +97,9 @@ CGroupAttribute *cgroup_attribute_find_list( assert(name); - LIST_FOREACH(by_unit, a, first) { - - - if (controller) { - if (streq(a->controller, controller) && streq(a->name, name)) - return a; - - } else if (streq(a->name, name)) { - size_t x, y; - x = strlen(a->controller); - y = strlen(name); - - if (y > x && - memcmp(a->controller, name, x) == 0 && - name[x] == '.') - return a; - } - } + LIST_FOREACH(by_unit, a, first) + if (cgroup_attribute_matches(a, controller, name)) + return a; return NULL; } @@ -113,3 +122,11 @@ void cgroup_attribute_free_list(CGroupAttribute *first) { LIST_FOREACH_SAFE(by_unit, a, n, first) cgroup_attribute_free(a); } + +void cgroup_attribute_free_some(CGroupAttribute *first, const char *controller, const char *name) { + CGroupAttribute *a, *n; + + LIST_FOREACH_SAFE(by_unit, a, n, first) + if (cgroup_attribute_matches(a, controller, name)) + cgroup_attribute_free(a); +}