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| author | Renato Westphal <renato@openbsd.org> | 2018-03-09 11:25:37 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-03-09 11:25:37 -0300 |
| commit | c67667e74cfbb4e4f2edd3b70609cf9716d5c432 (patch) | |
| tree | c3fc590ec00266221903856031435be68b4087ca /lib/zebra.h | |
| parent | 2aedb75283aa2564e16ad700bb3da121af5930aa (diff) | |
| parent | aea03ad6e8198a91578f550cb0c835020e673031 (diff) | |
Merge pull request #1808 from qlyoung/debug-mt-safe
MT-safe debug facilities
Diffstat (limited to 'lib/zebra.h')
| -rw-r--r-- | lib/zebra.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/zebra.h b/lib/zebra.h index df367bd27b..262ad2e43d 100644 --- a/lib/zebra.h +++ b/lib/zebra.h @@ -481,6 +481,16 @@ typedef enum { #define UNSET_FLAG(V,F) (V) &= ~(F) #define RESET_FLAG(V) (V) = 0 +/* Atomic flag manipulation macros. */ +#define CHECK_FLAG_ATOMIC(PV, F) \ + ((atomic_load_explicit(PV, memory_order_seq_cst)) & (F)) +#define SET_FLAG_ATOMIC(PV, F) \ + ((atomic_fetch_or_explicit(PV, (F), memory_order_seq_cst))) +#define UNSET_FLAG_ATOMIC(PV, F) \ + ((atomic_fetch_and_explicit(PV, ~(F), memory_order_seq_cst))) +#define RESET_FLAG_ATOMIC(PV) \ + ((atomic_store_explicit(PV, 0, memory_order_seq_cst))) + /* Zebra types. Used in Zserv message header. */ typedef u_int16_t zebra_size_t; typedef u_int16_t zebra_command_t; |