static int nacl_irt_read(int fd, void *buf, size_t count, size_t *nread) {
int rv = NACL_GC_WRAP_SYSCALL(NACL_SYSCALL(read)(fd, buf, count));
if (rv < 0)
return -rv;
*nread = rv;
return 0;
}
static int nacl_irt_getdents(int fd, struct dirent *buf, size_t count,
size_t *nread) {
int rv = NACL_GC_WRAP_SYSCALL(NACL_SYSCALL(getdents)(fd, buf, count));
if (rv < 0)
return -rv;
*nread = rv;
return 0;
}
static int nacl_irt_write(int fd, const void *buf, size_t count,
size_t *nwrote) {
int rv = NACL_GC_WRAP_SYSCALL(NACL_SYSCALL(write)(fd, buf, count));
if (rv < 0)
return -rv;
*nwrote = rv;
return 0;
}
int write(int desc, void const *buf, size_t count) {
int retval = NACL_GC_WRAP_SYSCALL(NACL_SYSCALL(write)(desc, buf, count));
if (retval < 0) {
errno = -retval;
return -1;
}
return retval;
}
int pthread_cond_wait (pthread_cond_t *cond,
pthread_mutex_t *mutex) {
pthread_cond_validate(cond);
int retval = -NACL_GC_WRAP_SYSCALL(
NACL_SYSCALL(cond_wait)(cond->handle, mutex->mutex_handle));
if (retval == 0) {
mutex->owner_thread_id = pthread_self();
mutex->recursion_counter = 1;
}
return retval;
}
static int nacl_irt_get_random_bytes(void *buf, size_t count, size_t *nread) {
int error = prepare_secure_random();
if (error == 0) {
int rv = NACL_GC_WRAP_SYSCALL(NACL_SYSCALL(read)(secure_random_fd,
buf, count));
if (rv < 0)
error = -rv;
else
*nread = rv;
}
return error;
}
int pthread_cond_timedwait_abs(pthread_cond_t *cond,
pthread_mutex_t *mutex,
struct timespec *abstime) {
pthread_cond_validate(cond);
int retval = -NACL_GC_WRAP_SYSCALL(
NACL_SYSCALL(cond_timed_wait_abs)(cond->handle,
mutex->mutex_handle,
abstime));
if (retval == 0) {
mutex->owner_thread_id = pthread_self();
mutex->recursion_counter = 1;
}
return retval;
}
static int nacl_irt_sched_yield(void) {
return NACL_GC_WRAP_SYSCALL(-NACL_SYSCALL(sched_yield)());
}
static int nacl_irt_nanosleep(const struct timespec *req,
struct timespec *rem) {
return NACL_GC_WRAP_SYSCALL(-NACL_SYSCALL(nanosleep)(req, rem));
}
static int nacl_irt_futex_wait(volatile int *addr, int value,
const struct timespec *abstime) {
return NACL_GC_WRAP_SYSCALL(-NACL_SYSCALL(futex_wait_abs)(addr, value,
abstime));
}
int pthread_cond_broadcast (pthread_cond_t *cond) {
pthread_cond_validate(cond);
return -NACL_GC_WRAP_SYSCALL(NACL_SYSCALL(cond_broadcast)(cond->handle));
}
/*
* Wake up one thread waiting for condition variable COND.
*/
int pthread_cond_signal (pthread_cond_t *cond) {
pthread_cond_validate(cond);
return -NACL_GC_WRAP_SYSCALL(NACL_SYSCALL(cond_signal)(cond->handle));
}
static int nacl_irt_mutex_lock(int mutex_handle) {
return NACL_GC_WRAP_SYSCALL(-NACL_SYSCALL(mutex_lock)(mutex_handle));
}
static int nacl_irt_cond_timed_wait_abs(int cond_handle, int mutex_handle,
const struct timespec *abstime) {
return NACL_GC_WRAP_SYSCALL(-NACL_SYSCALL(cond_timed_wait_abs)(cond_handle,
mutex_handle,
abstime));
}
static int nacl_irt_cond_wait(int cond_handle, int mutex_handle) {
return NACL_GC_WRAP_SYSCALL(-NACL_SYSCALL(cond_wait)(cond_handle,
mutex_handle));
}
