Author: imp Date: Tue Sep 29 18:06:02 2020 New Revision: 366265 URL: https://svnweb.freebsd.org/changeset/base/366265
Log: Standalone SX shims Create a do-nothing version of SX locks. OpenZFS needs them. However, since the boot loader is single threaded, they can be nops. Modified: head/sys/sys/sx.h Modified: head/sys/sys/sx.h ============================================================================== --- head/sys/sys/sx.h Tue Sep 29 17:52:15 2020 (r366264) +++ head/sys/sys/sx.h Tue Sep 29 18:06:02 2020 (r366265) @@ -300,4 +300,26 @@ __sx_xunlock(struct sx *sx, struct thread *td, const c #endif /* _KERNEL */ +#ifdef _STANDALONE +/* since we have no threads in the boot loader, trivially implement no-op version */ +#define sx_xlock(s) (1) +#define sx_try_xlock(s) (1) +#define sx_xunlock(s) (1) +#define SX_DUPOK 0 +#define SX_NEW 0 +#define SX_NOWITNESS 0 + +static __inline void +sx_init_flags(struct sx *sx, const char *description, int opts) +{ + +} + +static __inline void +sx_destroy(struct sx *sx) +{ + +} +#endif /* _STANDALONE */ + #endif /* !_SYS_SX_H_ */ _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"