support for TLS in dynamic-loaded (dlopen) modules

[musl] / src / thread / synccall.c

diff --git a/src/thread/synccall.c b/src/thread/synccall.c
index fd377cb..2b7eac2 100644 (file)
--- a/src/thread/synccall.c
+++ b/src/thread/synccall.c
@@ -9,7 +9,6 @@ static struct chain {
 static void (*callback)(void *), *context;
 static int chainlen;
 static sem_t chainlock, chaindone;
-static pthread_rwlock_t lock = PTHREAD_RWLOCK_INITIALIZER;
 
 static void handler(int sig, siginfo_t *si, void *ctx)
 {
@@ -59,7 +58,7 @@ void __synccall(void (*func)(void *), void *ctx)
                return;
        }
 
-       pthread_rwlock_wrlock(&lock);
+       __inhibit_ptc();
 
        __syscall(SYS_rt_sigprocmask, SIG_BLOCK, SIGALL_SET,
                &oldmask, __SYSCALL_SSLEN);
@@ -97,15 +96,5 @@ void __synccall(void (*func)(void *), void *ctx)
        __syscall(SYS_rt_sigprocmask, SIG_SETMASK,
                &oldmask, 0, __SYSCALL_SSLEN);
 
-       pthread_rwlock_unlock(&lock);
-}
-
-void __synccall_lock()
-{
-       pthread_rwlock_rdlock(&lock);
-}
-
-void __synccall_unlock()
-{
-       pthread_rwlock_unlock(&lock);
+       __release_ptc();
 }