diff options
Diffstat (limited to 'usr/src/uts/common/os/pid.c')
| -rw-r--r-- | usr/src/uts/common/os/pid.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/usr/src/uts/common/os/pid.c b/usr/src/uts/common/os/pid.c index 37389a6e4d..d48be19c71 100644 --- a/usr/src/uts/common/os/pid.c +++ b/usr/src/uts/common/os/pid.c @@ -113,6 +113,18 @@ pid_lookup(pid_t pid) return (pidp); } +struct pid * +pid_find(pid_t pid) +{ + struct pid *pidp; + + mutex_enter(&pidlinklock); + pidp = pid_lookup(pid); + mutex_exit(&pidlinklock); + + return (pidp); +} + void pid_setmin(void) { @@ -521,6 +533,19 @@ sprunlock(proc_t *p) mutex_exit(&p->p_lock); } +/* + * Undo effects of sprlock but without dropping p->p_lock + */ +void +sprunprlock(proc_t *p) +{ + ASSERT(p->p_proc_flag & P_PR_LOCK); + ASSERT(MUTEX_HELD(&p->p_lock)); + + cv_signal(&pr_pid_cv[p->p_slot]); + p->p_proc_flag &= ~P_PR_LOCK; +} + void pid_init(void) { |