From 25f22702f153d62b55cb276152ba5ea935023e6e Mon Sep 17 00:00:00 2001 From: Agustina Arzille Date: Wed, 1 Feb 2017 12:32:52 -0300 Subject: Implement basic sleeping locks for gnumach * kern/atomic.h: New file. * kern/kmutex.h: New file. * kern/kmutex.c: New file. * Makefrag.am (libkernel_a_SOURCES): Add atomic.h, kmutex.h, kmutex.c. * kern/sched_prim.h (thread_wakeup_prim): Make it return boolean_t. * kern/sched_prim.c (thread_wakeup_prim): Return TRUE if we woke a thread, and FALSE otherwise. --- kern/sched_prim.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'kern/sched_prim.c') diff --git a/kern/sched_prim.c b/kern/sched_prim.c index bb767352..173f0687 100644 --- a/kern/sched_prim.c +++ b/kern/sched_prim.c @@ -376,13 +376,14 @@ void clear_wait( * and thread_wakeup_one. * */ -void thread_wakeup_prim( +boolean_t thread_wakeup_prim( event_t event, boolean_t one_thread, int result) { queue_t q; int index; + boolean_t woke = FALSE; thread_t thread, next_th; decl_simple_lock_data( , *lock); spl_t s; @@ -435,6 +436,7 @@ void thread_wakeup_prim( break; } thread_unlock(thread); + woke = TRUE; if (one_thread) break; } @@ -442,6 +444,7 @@ void thread_wakeup_prim( } simple_unlock(lock); splx(s); + return (woke); } /* -- cgit v1.2.3