4 files changed, 17 insertions, 8 deletions
diff --git a/erts/emulator/sys/common/erl_poll.h b/erts/emulator/sys/common/erl_poll.h
index 19ce582154..bd3a46ef0f 100644
--- a/erts/emulator/sys/common/erl_poll.h
+++ b/erts/emulator/sys/common/erl_poll.h
@@ -140,7 +140,7 @@ struct erts_sys_fd_type {
 #endif
 
 #define ERTS_POLL_EV_E2N(EV) \
-  ((__uint32_t) (EV))
+  ((uint32_t) (EV))
 #define ERTS_POLL_EV_N2E(EV) \
   ((ErtsPollEvents) (EV))
 
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index b036b20b7b..8d7da3e47e 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -2527,7 +2527,7 @@ fd_async(void *async_data)
     SysIOVec      *iov0;
     SysIOVec      *iov;
     int            iovlen;
-    int            err;
+    int            err = 0;
     /* much of this code is stolen from efile_drv:invoke_writev */
     driver_pdl_lock(dd->blocking->pdl);
     iov0 = driver_peekq(dd->port_num, &iovlen);
@@ -2542,8 +2542,11 @@ fd_async(void *async_data)
         memcpy(iov,iov0,iovlen*sizeof(SysIOVec));
         driver_pdl_unlock(dd->blocking->pdl);
 
-        res = writev(dd->ofd, iov, iovlen);
-        err = errno;
+        do {
+            res = writev(dd->ofd, iov, iovlen);
+        } while (res < 0 && errno == EINTR);
+        if (res < 0)
+            err = errno;
 
         erts_free(ERTS_ALC_T_SYS_WRITE_BUF, iov);
     }
@@ -2582,7 +2585,12 @@ void fd_ready_async(ErlDrvData drv_data,
             return /* 0; */;
         }
     } else if (dd->blocking->res < 0) {
-        driver_failure_posix(port_num, dd->blocking->err);
+        if (dd->blocking->err == ERRNO_BLOCK) {
+            set_busy_port(port_num, 1);
+            /* still data left to write in queue */
+            driver_async(port_num, &dd->blocking->pkey, fd_async, dd, NULL);
+        } else
+            driver_failure_posix(port_num, dd->blocking->err);
         return; /* -1; */
     }
     return; /* 0; */
diff --git a/erts/emulator/sys/win32/erl_win32_sys_ddll.c b/erts/emulator/sys/win32/erl_win32_sys_ddll.c
index 9a5557e93d..7c24a77e31 100644
--- a/erts/emulator/sys/win32/erl_win32_sys_ddll.c
+++ b/erts/emulator/sys/win32/erl_win32_sys_ddll.c
@@ -52,7 +52,8 @@ void erl_sys_ddll_init(void) {
 #define ERL_NIF_API_FUNC_DECL(RET,NAME,ARGS) nif_callbacks.NAME = NAME
 #include "erl_nif_api_funcs.h"
 #undef ERL_NIF_API_FUNC_DECL
-   
+    nif_callbacks.erts_alc_test = erts_alc_test;
+ 
     return;
 }
 
diff --git a/erts/emulator/sys/win32/erl_win_dyn_driver.h b/erts/emulator/sys/win32/erl_win_dyn_driver.h
index 5e62320be4..baac7c903e 100644
--- a/erts/emulator/sys/win32/erl_win_dyn_driver.h
+++ b/erts/emulator/sys/win32/erl_win_dyn_driver.h
@@ -145,8 +145,8 @@ WDD_TYPEDEF(ErlDrvTid, erl_drv_thread_self, (void));
 WDD_TYPEDEF(int, erl_drv_equal_tids, (ErlDrvTid tid1, ErlDrvTid tid2));
 WDD_TYPEDEF(void, erl_drv_thread_exit, (void *resp));
 WDD_TYPEDEF(int, erl_drv_thread_join, (ErlDrvTid, void **respp));
-WDD_TYPEDEF(int, erl_drv_putenv, (char *key, char *value));
-WDD_TYPEDEF(int, erl_drv_getenv, (char *key, char *value, size_t *value_size));
+WDD_TYPEDEF(int, erl_drv_putenv, (const char *key, char *value));
+WDD_TYPEDEF(int, erl_drv_getenv, (const char *key, char *value, size_t *value_size));
 
 typedef struct {
     WDD_FTYPE(null_func) *null_func;