diff options
Diffstat (limited to 'erts/emulator/sys/unix/sys_drivers.c')
| -rw-r--r-- | erts/emulator/sys/unix/sys_drivers.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/erts/emulator/sys/unix/sys_drivers.c b/erts/emulator/sys/unix/sys_drivers.c index 03d948c6e9..c451a0a674 100644 --- a/erts/emulator/sys/unix/sys_drivers.c +++ b/erts/emulator/sys/unix/sys_drivers.c @@ -84,8 +84,6 @@ static Eterm forker_port; #define MAXIOV 16 #endif -# define FDBLOCK 1 - /* Used by the fd driver iff the fd could not be set to non-blocking */ typedef struct ErtsSysBlocking_ { ErlDrvPDL pdl; @@ -423,7 +421,7 @@ create_driver_data(ErlDrvPort port_num, data += sizeof(*driver_data->ofd); init_fd_data(driver_data->ofd, ofd); } - if (is_blocking && FDBLOCK) + if (is_blocking) if (!set_blocking_data(driver_data)) { erts_free(ERTS_ALC_T_DRV_TAB, driver_data); return NULL; @@ -1171,19 +1169,19 @@ static void outputv(ErlDrvData e, ErlIOVec* ev) ev->iov[0].iov_len = pb; ev->size += pb; - if (dd->blocking && FDBLOCK) + if (dd->blocking) driver_pdl_lock(dd->blocking->pdl); if ((sz = driver_sizeq(ix)) > 0) { driver_enqv(ix, ev, 0); - if (dd->blocking && FDBLOCK) + if (dd->blocking) driver_pdl_unlock(dd->blocking->pdl); if (sz + ev->size >= (1 << 13)) set_busy_port(ix, 1); } - else if (!dd->blocking || !FDBLOCK) { + else if (!dd->blocking) { /* We try to write directly if the fd in non-blocking */ int vsize = ev->vsize > MAX_VSIZE ? MAX_VSIZE : ev->vsize; @@ -1281,7 +1279,7 @@ static int port_inp_failure(ErtsSysDriverData *dd, int res) clear_fd_data(dd->ifd); } - if (dd->blocking && FDBLOCK) { + if (dd->blocking) { driver_pdl_lock(dd->blocking->pdl); if (driver_sizeq(dd->port_num) > 0) { driver_pdl_unlock(dd->blocking->pdl); |