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| author | jb <jb@FreeBSD.org> | 1998-06-09 23:21:05 +0000 |
|---|---|---|
| committer | jb <jb@FreeBSD.org> | 1998-06-09 23:21:05 +0000 |
| commit | 765df5f4d29065eac50b4bfab3407a7da8a90323 (patch) | |
| tree | e14930dc53674181c346bbe0f43647669e330569 /lib/libpthread/thread/thr_sig.c | |
| parent | 5ed1d7e9485fa8756d1be3fdf6cfa5125ac45657 (diff) | |
| download | FreeBSD-src-765df5f4d29065eac50b4bfab3407a7da8a90323.zip FreeBSD-src-765df5f4d29065eac50b4bfab3407a7da8a90323.tar.gz | |
Implement compile time debug support instead of tracking file name and
line number every time a file descriptor is locked.
This looks like a big change but it isn't. It should reduce the size
of libc_r and make it run slightly faster.
Diffstat (limited to 'lib/libpthread/thread/thr_sig.c')
| -rw-r--r-- | lib/libpthread/thread/thr_sig.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/lib/libpthread/thread/thr_sig.c b/lib/libpthread/thread/thr_sig.c index c0fbfd1..43ef9e6 100644 --- a/lib/libpthread/thread/thr_sig.c +++ b/lib/libpthread/thread/thr_sig.c @@ -39,17 +39,17 @@ #include "pthread_private.h" /* Static variables: */ -static int volatile yield_on_unlock_dead = 0; -static int volatile yield_on_unlock_thread = 0; -static long volatile thread_dead_lock = 0; -static long volatile thread_link_list_lock = 0; +static int volatile yield_on_unlock_dead = 0; +static int volatile yield_on_unlock_thread = 0; +static spinlock_t thread_dead_lock = _SPINLOCK_INITIALIZER; +static spinlock_t thread_link_list_lock = _SPINLOCK_INITIALIZER; /* Lock the thread list: */ void _lock_thread_list() { /* Lock the thread list: */ - _spinlock(&thread_link_list_lock); + _SPINLOCK(&thread_link_list_lock); } /* Lock the dead thread list: */ @@ -57,7 +57,7 @@ void _lock_dead_thread_list() { /* Lock the dead thread list: */ - _spinlock(&thread_dead_lock); + _SPINLOCK(&thread_dead_lock); } /* Lock the thread list: */ @@ -65,7 +65,7 @@ void _unlock_thread_list() { /* Unlock the thread list: */ - _atomic_unlock(&thread_link_list_lock); + _SPINUNLOCK(&thread_link_list_lock); /* * Check if a scheduler interrupt occurred while the thread @@ -85,7 +85,7 @@ void _unlock_dead_thread_list() { /* Unlock the dead thread list: */ - _atomic_unlock(&thread_dead_lock); + _SPINUNLOCK(&thread_dead_lock); /* * Check if a scheduler interrupt occurred while the dead @@ -137,7 +137,7 @@ _thread_sig_handler(int sig, int code, struct sigcontext * scp) * unfortunate time which one of the threads is * modifying the thread list: */ - if (thread_link_list_lock) + if (thread_link_list_lock.access_lock) /* * Set a flag so that the thread that has * the lock yields when it unlocks the @@ -149,7 +149,7 @@ _thread_sig_handler(int sig, int code, struct sigcontext * scp) * unfortunate time which one of the threads is * modifying the dead thread list: */ - if (thread_dead_lock) + if (thread_dead_lock.access_lock) /* * Set a flag so that the thread that has * the lock yields when it unlocks the |
