#include "pthread_impl.h"
#include <semaphore.h>
+#include <string.h>
static struct chain {
struct chain *next;
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)
{
sigqueue(self->pid, SIGSYNCCALL, (union sigval){0});
- /* Threads which have already decremented themselves from the
- * thread count must not act. Block further receipt of signals
- * and return. */
- if (self->dead) {
- memset(&((ucontext_t *)ctx)->uc_sigmask, -1, 8);
- errno = old_errno;
- return;
- }
-
sem_init(&ch.sem, 0, 0);
sem_init(&ch.sem2, 0, 0);
return;
}
- pthread_rwlock_wrlock(&lock);
+ __inhibit_ptc();
__syscall(SYS_rt_sigprocmask, SIG_BLOCK, SIGALL_SET,
- &oldmask, __SYSCALL_SSLEN);
+ &oldmask, _NSIG/8);
sem_init(&chaindone, 0, 0);
sem_init(&chainlock, 0, 1);
__libc_sigaction(SIGSYNCCALL, &sa, 0);
__syscall(SYS_rt_sigprocmask, SIG_SETMASK,
- &oldmask, 0, __SYSCALL_SSLEN);
-
- pthread_rwlock_unlock(&lock);
-}
+ &oldmask, 0, _NSIG/8);
-void __synccall_lock()
-{
- pthread_rwlock_rdlock(&lock);
-}
-
-void __synccall_unlock()
-{
- pthread_rwlock_unlock(&lock);
+ __release_ptc();
}