diff options
Diffstat (limited to 'elf/dl-tunables.h')
| -rw-r--r-- | elf/dl-tunables.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/elf/dl-tunables.h b/elf/dl-tunables.h index f05eb50..550b0cc 100644 --- a/elf/dl-tunables.h +++ b/elf/dl-tunables.h @@ -70,9 +70,10 @@ typedef struct _tunable tunable_t; extern void __tunables_init (char **); extern void __tunable_get_val (tunable_id_t, void *, tunable_callback_t); -extern void __tunable_set_val (tunable_id_t, void *); +extern void __tunable_set_val (tunable_id_t, void *, void *, void *); rtld_hidden_proto (__tunables_init) rtld_hidden_proto (__tunable_get_val) +rtld_hidden_proto (__tunable_set_val) /* Define TUNABLE_GET and TUNABLE_SET in short form if TOP_NAMESPACE and TUNABLE_NAMESPACE are defined. This is useful shorthand to get and set @@ -82,11 +83,18 @@ rtld_hidden_proto (__tunable_get_val) TUNABLE_GET_FULL (TOP_NAMESPACE, TUNABLE_NAMESPACE, __id, __type, __cb) # define TUNABLE_SET(__id, __type, __val) \ TUNABLE_SET_FULL (TOP_NAMESPACE, TUNABLE_NAMESPACE, __id, __type, __val) +# define TUNABLE_SET_WITH_BOUNDS(__id, __type, __val, __min, __max) \ + TUNABLE_SET_WITH_BOUNDS_FULL (TOP_NAMESPACE, TUNABLE_NAMESPACE, __id, \ + __type, __val, __min, __max) #else # define TUNABLE_GET(__top, __ns, __id, __type, __cb) \ TUNABLE_GET_FULL (__top, __ns, __id, __type, __cb) # define TUNABLE_SET(__top, __ns, __id, __type, __val) \ TUNABLE_SET_FULL (__top, __ns, __id, __type, __val) +# define TUNABLE_SET_WITH_BOUNDS(__top, __ns, __id, __type, __val, \ + __min, __max) \ + TUNABLE_SET_WITH_BOUNDS_FULL (__top, __ns, __id, __type, __val, \ + __min, __max) #endif /* Get and return a tunable value. If the tunable was set externally and __CB @@ -103,7 +111,16 @@ rtld_hidden_proto (__tunable_get_val) # define TUNABLE_SET_FULL(__top, __ns, __id, __type, __val) \ ({ \ __tunable_set_val (TUNABLE_ENUM_NAME (__top, __ns, __id), \ - & (__type) {__val}); \ + & (__type) {__val}, NULL, NULL); \ +}) + +/* Set a tunable value together with min/max values. */ +# define TUNABLE_SET_WITH_BOUNDS_FULL(__top, __ns, __id, __type, __val, \ + __min, __max) \ +({ \ + __tunable_set_val (TUNABLE_ENUM_NAME (__top, __ns, __id), \ + & (__type) {__val}, & (__type) {__min}, \ + & (__type) {__max}); \ }) /* Namespace sanity for callback functions. Use this macro to keep the |