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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
1520b3b
..
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 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)
{
static void handler(int sig, siginfo_t *si, void *ctx)
{
@@
-59,9
+58,10
@@
void __synccall(void (*func)(void *), void *ctx)
return;
}
return;
}
-
pthread_rwlock_wrlock(&lock
);
+
__inhibit_ptc(
);
- __syscall(SYS_rt_sigprocmask, SIG_BLOCK, (uint64_t[]){-1}, &oldmask, 8);
+ __syscall(SYS_rt_sigprocmask, SIG_BLOCK, SIGALL_SET,
+ &oldmask, __SYSCALL_SSLEN);
sem_init(&chaindone, 0, 0);
sem_init(&chainlock, 0, 1);
sem_init(&chaindone, 0, 0);
sem_init(&chainlock, 0, 1);
@@
-93,17
+93,8
@@
void __synccall(void (*func)(void *), void *ctx)
sa.sa_handler = SIG_IGN;
__libc_sigaction(SIGSYNCCALL, &sa, 0);
sa.sa_handler = SIG_IGN;
__libc_sigaction(SIGSYNCCALL, &sa, 0);
- __syscall(SYS_rt_sigprocmask, SIG_SETMASK, &oldmask, 0, 8);
+ __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();
}
}