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Implemented a version of rmlock using rwlock.

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This commit is contained in:
Jennifer Averett
2012-04-16 09:10:35 -05:00
parent 362782eb25
commit 459afb1c76
8 changed files with 1183 additions and 93 deletions
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1045
freebsd/kern/kern_ntptime.c Normal file
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File diff suppressed because it is too large Load Diff

5
freebsd/sys/_rmlock.h
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@@ -43,6 +43,7 @@
LIST_HEAD(rmpriolist,rm_priotracker);
#ifndef __rtems__
struct rmlock {
struct lock_object lock_object;
volatile int rm_noreadtoken;
@@ -50,6 +51,10 @@ struct rmlock {
struct mtx rm_lock;
};
#else /* __rtems__ */
#include <freebsd/sys/rwlock.h>
#define rmlock rwlock
#endif /* __rtems__ */
struct rm_priotracker {
struct rm_queue rmp_cpuQueue; /* Must be first */

17
freebsd/sys/rmlock.h
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@@ -44,6 +44,7 @@
#define RM_NOWITNESS 0x00000001
#define RM_RECURSE 0x00000002
#ifndef __rtems__
void rm_init(struct rmlock *rm, const char *name);
void rm_init_flags(struct rmlock *rm, const char *name, int opts);
void rm_destroy(struct rmlock *rm);
@@ -84,6 +85,22 @@ void _rm_runlock(struct rmlock *rm, struct rm_priotracker *tracker);
#define rm_runlock(rm,tracker) _rm_runlock((rm), (tracker))
#endif
#else /* __rtems__ */
#define rm_init(rm, name) rw_init(rm, name)
#define rm_init_flags(rm, name, opts) rw_init_flags(rm, name, opts)
#define rm_destroy(rm) rw_destroy(rm)
#define rm_wowned(rm) rw_wowned(rm)
#define rm_sysinit(arg) rw_sysinit(arg)
#define rm_sysinit_flags(arg) rw_sysinit_flags(arg)
#define rm_wlock(rm) rw_wlock((rm))
#define rm_wunlock(rm) rw_wunlock((rm))
#define rm_rlock(rm,tracker) rw_rlock((rm))
#define rm_runlock(rm,tracker) rw_runlock((rm))
#endif /* __rtems__ */
struct rm_args {
struct rmlock *ra_rm;
const char *ra_desc;