diff options
Diffstat (limited to 'lib/libpthread/thread/thr_spinlock.c')
| -rw-r--r-- | lib/libpthread/thread/thr_spinlock.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/libpthread/thread/thr_spinlock.c b/lib/libpthread/thread/thr_spinlock.c index e797f90..696174e 100644 --- a/lib/libpthread/thread/thr_spinlock.c +++ b/lib/libpthread/thread/thr_spinlock.c @@ -51,18 +51,20 @@ extern char *__progname; void _spinlock(spinlock_t *lck) { + struct pthread *curthread = _get_curthread(); + /* * Try to grab the lock and loop if another thread grabs * it before we do. */ while(_atomic_lock(&lck->access_lock)) { /* Block the thread until the lock. */ - _thread_run->data.spinlock = lck; + curthread->data.spinlock = lck; _thread_kern_sched_state(PS_SPINBLOCK, __FILE__, __LINE__); } /* The running thread now owns the lock: */ - lck->lock_owner = (long) _thread_run; + lck->lock_owner = (long) curthread; } /* @@ -78,6 +80,7 @@ _spinlock(spinlock_t *lck) void _spinlock_debug(spinlock_t *lck, char *fname, int lineno) { + struct pthread *curthread = _get_curthread(); int cnt = 0; /* @@ -88,19 +91,19 @@ _spinlock_debug(spinlock_t *lck, char *fname, int lineno) cnt++; if (cnt > 100) { char str[256]; - snprintf(str, sizeof(str), "%s - Warning: Thread %p attempted to lock %p from %s (%d) was left locked from %s (%d)\n", __progname, _thread_run, lck, fname, lineno, lck->fname, lck->lineno); - _thread_sys_write(2,str,strlen(str)); + snprintf(str, sizeof(str), "%s - Warning: Thread %p attempted to lock %p from %s (%d) was left locked from %s (%d)\n", __progname, curthread, lck, fname, lineno, lck->fname, lck->lineno); + __sys_write(2,str,strlen(str)); __sleep(1); cnt = 0; } /* Block the thread until the lock. */ - _thread_run->data.spinlock = lck; + curthread->data.spinlock = lck; _thread_kern_sched_state(PS_SPINBLOCK, fname, lineno); } /* The running thread now owns the lock: */ - lck->lock_owner = (long) _thread_run; + lck->lock_owner = (long) curthread; lck->fname = fname; lck->lineno = lineno; } |
