diff options
Diffstat (limited to 'usr/src/uts/common/sys/proc.h')
| -rw-r--r-- | usr/src/uts/common/sys/proc.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/usr/src/uts/common/sys/proc.h b/usr/src/uts/common/sys/proc.h index a8a8606245..43407bab38 100644 --- a/usr/src/uts/common/sys/proc.h +++ b/usr/src/uts/common/sys/proc.h @@ -31,7 +31,6 @@ #define _SYS_PROC_H #include <sys/time.h> - #include <sys/thread.h> #include <sys/cred.h> #include <sys/user.h> @@ -65,9 +64,6 @@ struct prof { long pr_samples; /* sample count */ }; -/* hash function for the lwpid hash table, p->p_tidhash[] */ -#define TIDHASH(p, tid) ((tid) & ((p)->p_tidhash_sz - 1)) - /* * An lwp directory entry. * If le_thread != NULL, this is an active lwp. @@ -109,6 +105,23 @@ typedef struct lwpdir { struct lwpent *ld_entry; /* lwp directory entry */ } lwpdir_t; +/* + * Element of the p_tidhash thread-id (lwpid) hash table. + */ +typedef struct tidhash { + kmutex_t th_lock; + lwpdir_t *th_list; +} tidhash_t; + +/* + * Retired tidhash hash tables. + */ +typedef struct ret_tidhash { + struct ret_tidhash *rth_next; + tidhash_t *rth_tidhash; + uint_t rth_tidhash_sz; +} ret_tidhash_t; + struct pool; struct task; struct zone; @@ -209,9 +222,10 @@ typedef struct proc { kthread_t *p_tlist; /* circular list of threads */ lwpdir_t *p_lwpdir; /* thread (lwp) directory */ lwpdir_t *p_lwpfree; /* p_lwpdir free list */ - lwpdir_t **p_tidhash; /* tid (lwpid) lookup hash table */ + tidhash_t *p_tidhash; /* tid (lwpid) lookup hash table */ uint_t p_lwpdir_sz; /* number of p_lwpdir[] entries */ uint_t p_tidhash_sz; /* number of p_tidhash[] entries */ + ret_tidhash_t *p_ret_tidhash; /* retired tidhash hash tables */ uint64_t p_lgrpset; /* unprotected hint of set of lgrps */ /* on which process has threads */ volatile lgrp_id_t p_t1_lgrpid; /* main's thread lgroup id */ @@ -714,9 +728,10 @@ extern klwp_t *lwp_create( int cid, id_t lwpid); extern kthread_t *idtot(proc_t *, id_t); -extern void lwp_hash_in(proc_t *, lwpent_t *); +extern void lwp_hash_in(proc_t *, lwpent_t *, tidhash_t *, uint_t, int); extern void lwp_hash_out(proc_t *, id_t); extern lwpdir_t *lwp_hash_lookup(proc_t *, id_t); +extern lwpdir_t *lwp_hash_lookup_and_lock(proc_t *, id_t, kmutex_t **); extern void lwp_create_done(kthread_t *); extern void lwp_exit(void); extern void lwp_pcb_exit(void); |