diff options
| -rw-r--r-- | sys/kern/init_main.c | 1 | ||||
| -rw-r--r-- | sys/kern/kern_exit.c | 1 | ||||
| -rw-r--r-- | sys/kern/kern_fork.c | 1 | ||||
| -rw-r--r-- | sys/sys/proc.h | 1 |
4 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/init_main.c b/sys/kern/init_main.c index c6110fa..81cde0d 100644 --- a/sys/kern/init_main.c +++ b/sys/kern/init_main.c @@ -285,6 +285,7 @@ proc0_init(void *dummy __unused) /* * Create process 0 (the swapper). */ + mtx_init(&p->p_mtx, "process lock", MTX_DEF); LIST_INSERT_HEAD(&allproc, p, p_list); p->p_pgrp = &pgrp0; LIST_INSERT_HEAD(PGRPHASH(0), &pgrp0, pg_hash); diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c index 69f526c..ce3cc21 100644 --- a/sys/kern/kern_exit.c +++ b/sys/kern/kern_exit.c @@ -539,6 +539,7 @@ loop: * release while still running in process context. */ cpu_wait(p); + mtx_destroy(&p->p_mtx); zfree(proc_zone, p); nprocs--; return (0); diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index 6caa1d2..6d9c6c1 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -367,6 +367,7 @@ again: bcopy(&p1->p_startcopy, &p2->p_startcopy, (unsigned) ((caddr_t)&p2->p_endcopy - (caddr_t)&p2->p_startcopy)); + mtx_init(&p2->p_mtx, "process lock", MTX_DEF); p2->p_aioinfo = NULL; /* diff --git a/sys/sys/proc.h b/sys/sys/proc.h index 562dd09..1cb164b 100644 --- a/sys/sys/proc.h +++ b/sys/sys/proc.h @@ -193,6 +193,7 @@ struct proc { struct vnode *p_textvp; /* Vnode of executable. */ char p_lock; /* Process lock (prevent swap) count. */ + struct mtx p_mtx; /* Process stucture lock. */ u_char p_oncpu; /* Which cpu we are on */ u_char p_lastcpu; /* Last cpu we were on */ char p_rqindex; /* Run queue index */ |
