diff options
Diffstat (limited to 'sys/alpha')
-rw-r--r-- | sys/alpha/alpha/critical.c | 19 | ||||
-rw-r--r-- | sys/alpha/include/cpufunc.h | 5 | ||||
-rw-r--r-- | sys/alpha/include/critical.h | 72 |
3 files changed, 73 insertions, 23 deletions
diff --git a/sys/alpha/alpha/critical.c b/sys/alpha/alpha/critical.c index 0bf9e9b..c7e705d 100644 --- a/sys/alpha/alpha/critical.c +++ b/sys/alpha/alpha/critical.c @@ -18,24 +18,7 @@ #include <sys/mutex.h> #include <sys/sysctl.h> #include <sys/ucontext.h> - -void -cpu_critical_enter(void) -{ - struct thread *td; - - td = curthread; - td->td_md.md_savecrit = intr_disable(); -} - -void -cpu_critical_exit(void) -{ - struct thread *td; - - td = curthread; - intr_restore(td->td_md.md_savecrit); -} +#include <machine/critical.h> /* * cpu_critical_fork_exit() - cleanup after fork diff --git a/sys/alpha/include/cpufunc.h b/sys/alpha/include/cpufunc.h index 95d7e10..05bdbd4 100644 --- a/sys/alpha/include/cpufunc.h +++ b/sys/alpha/include/cpufunc.h @@ -59,11 +59,6 @@ intr_restore(register_t ipl) alpha_pal_swpipl(ipl); } -void cpu_critical_enter(void); -void cpu_critical_exit(void); -void cpu_critical_fork_exit(void); -void cpu_thread_link(struct thread *td); - #endif /* _KERNEL */ #endif /* !_MACHINE_CPUFUNC_H_ */ diff --git a/sys/alpha/include/critical.h b/sys/alpha/include/critical.h new file mode 100644 index 0000000..dc5119c --- /dev/null +++ b/sys/alpha/include/critical.h @@ -0,0 +1,72 @@ +/*- + * Copyright (c) 2002 Matthew Dillon. This code is distributed under + * the BSD copyright, /usr/src/COPYRIGHT. + * + * This file contains prototypes and high-level inlines related to + * machine-level critical function support: + * + * cpu_critical_enter() - inlined + * cpu_critical_exit() - inlined + * cpu_critical_fork_exit() - prototyped + * cpu_thread_link() - prototyped + * related support functions residing + * in <arch>/<arch>/critical.c - prototyped + * + * $FreeBSD$ + */ + +#ifndef _MACHINE_CRITICAL_H_ +#define _MACHINE_CRITICAL_H_ + +__BEGIN_DECLS + +/* + * Prototypes - see <arch>/<arch>/critical.c + */ +void cpu_critical_fork_exit(void); +void cpu_thread_link(struct thread *td); + +#ifdef __GNUC__ + +/* + * cpu_critical_enter: + * + * This routine is called from critical_enter() on the 0->1 transition + * of td_critnest, prior to it being incremented to 1. + */ +static __inline void +cpu_critical_enter(void) +{ + struct thread *td; + + td = curthread; + td->td_md.md_savecrit = intr_disable(); +} + +/* + * cpu_critical_exit: + * + * This routine is called from critical_exit() on a 1->0 transition + * of td_critnest, after it has been decremented to 0. We are + * exiting the last critical section. + */ +static __inline void +cpu_critical_exit(void) +{ + struct thread *td; + + td = curthread; + intr_restore(td->td_md.md_savecrit); +} + +#else /* !__GNUC__ */ + +void cpu_critical_enter(void) +void cpu_critical_exit(void) + +#endif /* __GNUC__ */ + +__END_DECLS + +#endif /* !_MACHINE_CRITICAL_H_ */ + |