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| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2022-10-21 17:43:31 +0300 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2022-10-21 17:43:31 +0300 |
| commit | ec989bbe7d9bb7a844eeddeceaeb7bb7e4d5dab6 (patch) | |
| tree | 51221980ad2d4c8701e1a6e762a47495dec289de /include/apos/utils.h | |
| parent | a06dbb8a63d825ebb1ad65372ce1ce1f572891bc (diff) | |
| download | kmi-ec989bbe7d9bb7a844eeddeceaeb7bb7e4d5dab6.tar.gz kmi-ec989bbe7d9bb7a844eeddeceaeb7bb7e4d5dab6.zip | |
initial implementation of swap
+ Slightly unsure if it should be a syscall, or if assign would be
enough. Also, which thread should run in a fork/spawn? For now, old
thread, though this might increase latency. Or add swap flag to these
calls?
Diffstat (limited to 'include/apos/utils.h')
| -rw-r--r-- | include/apos/utils.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/apos/utils.h b/include/apos/utils.h index 29969c4..6eeb54f 100644 --- a/include/apos/utils.h +++ b/include/apos/utils.h @@ -187,6 +187,17 @@ #endif /** + * Signal to the compiler that some region is unreachable. + * Mainly used for debugging with instrumentation, though it could provide some + * micro-optimisations. +*/ +#if __has_builtin(__builtin_unreachable) +#define unreachable() __builtin_unreachable() +#else +#define unreachable() +#endif + +/** * Get container of some member. * * @param ptr Pointer to member in some structure. |