#include "eal_private.h"
#include "eal_vfio.h"
+#include "eal_thread.h"
#define EAL_INTR_EPOLL_WAIT_FOREVER (-1)
#define NB_OTHER_INTR 1
bytes_read = sizeof(buf.vfio_intr_count);
break;
#endif
+ case RTE_INTR_HANDLE_EXT:
default:
bytes_read = 1;
break;
}
- /**
- * read out to clear the ready-to-be-read flag
- * for epoll_wait.
- */
- bytes_read = read(events[n].data.fd, &buf, bytes_read);
- if (bytes_read < 0) {
- if (errno == EINTR || errno == EWOULDBLOCK)
- continue;
-
- RTE_LOG(ERR, EAL, "Error reading from file "
- "descriptor %d: %s\n", events[n].data.fd,
- strerror(errno));
- } else if (bytes_read == 0)
- RTE_LOG(ERR, EAL, "Read nothing from file "
- "descriptor %d\n", events[n].data.fd);
+ if (src->intr_handle.type != RTE_INTR_HANDLE_EXT) {
+ /**
+ * read out to clear the ready-to-be-read flag
+ * for epoll_wait.
+ */
+ bytes_read = read(events[n].data.fd, &buf, bytes_read);
+ if (bytes_read < 0) {
+ if (errno == EINTR || errno == EWOULDBLOCK)
+ continue;
+
+ RTE_LOG(ERR, EAL, "Error reading from file "
+ "descriptor %d: %s\n",
+ events[n].data.fd,
+ strerror(errno));
+ } else if (bytes_read == 0)
+ RTE_LOG(ERR, EAL, "Read nothing from file "
+ "descriptor %d\n", events[n].data.fd);
+ }
/* grab a lock, again to call callbacks and update status. */
rte_spinlock_lock(&intr_lock);
int
rte_eal_intr_init(void)
{
- int ret = 0;
+ int ret = 0, ret_1 = 0;
+ char thread_name[RTE_MAX_THREAD_NAME_LEN];
/* init the global interrupt source head */
TAILQ_INIT(&intr_sources);
/* create the host thread to wait/handle the interrupt */
ret = pthread_create(&intr_thread, NULL,
eal_intr_thread_main, NULL);
- if (ret != 0)
+ if (ret != 0) {
RTE_LOG(ERR, EAL,
"Failed to create thread for interrupt handling\n");
+ } else {
+ /* Set thread_name for aid in debugging. */
+ snprintf(thread_name, RTE_MAX_THREAD_NAME_LEN,
+ "eal-intr-thread");
+ ret_1 = pthread_setname_np(intr_thread, thread_name);
+ if (ret_1 != 0)
+ RTE_LOG(ERR, EAL,
+ "Failed to set thread name for interrupt handling\n");
+ }
return -ret;
}
strerror(errno));
rc = -1;
break;
+ } else {
+ /* rc == 0, epoll_wait timed out */
+ break;
}
}