diff options
Diffstat (limited to 'erts/emulator/drivers/common/efile_drv.c')
| -rw-r--r-- | erts/emulator/drivers/common/efile_drv.c | 61 |
1 files changed, 25 insertions, 36 deletions
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c index 3b8e7acb6e..5e25747ddf 100644 --- a/erts/emulator/drivers/common/efile_drv.c +++ b/erts/emulator/drivers/common/efile_drv.c @@ -3,16 +3,17 @@ * * Copyright Ericsson AB 1996-2013. All Rights Reserved. * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * * %CopyrightEnd% */ @@ -124,8 +125,6 @@ #include "dtrace-wrapper.h" -void erl_exit(int n, char *fmt, ...); - static ErlDrvSysInfo sys_info; /* For explanation of this var, see comment for same var in erl_async.c */ @@ -514,21 +513,10 @@ struct t_data static void *ef_safe_alloc(Uint s) { void *p = EF_ALLOC(s); - if (!p) erl_exit(1, "efile drv: Can't allocate %lu bytes of memory\n", (unsigned long)s); - return p; -} - -#if 0 /* Currently not used */ - -static void *ef_safe_realloc(void *op, Uint s) -{ - void *p = EF_REALLOC(op, s); - if (!p) erl_exit(1, "efile drv: Can't reallocate %lu bytes of memory\n", (unsigned long)s); + if (!p) erts_exit(ERTS_ERROR_EXIT, "efile drv: Can't allocate %lu bytes of memory\n", (unsigned long)s); return p; } -#endif - /********************************************************************* * ErlIOVec manipulation functions. */ @@ -1531,10 +1519,10 @@ static void invoke_writev(void *data) { * with errno. */ errno = EINVAL; - if (! (status = - erts_gzwrite((ErtsGzFile)d->fd, - iov[i].iov_base, - iov[i].iov_len)) == iov[i].iov_len) { + status = erts_gzwrite((ErtsGzFile)d->fd, + iov[i].iov_base, + iov[i].iov_len) == iov[i].iov_len; + if (! status) { d->errInfo.posix_errno = d->errInfo.os_errno = errno; /* XXX Correct? */ break; @@ -1616,12 +1604,12 @@ static void invoke_altname(void *data) } static void invoke_pwritev(void *data) { - struct t_data *d = (struct t_data *) data; + struct t_data* const d = (struct t_data *) data; + struct t_pwritev * const c = &d->c.pwritev; SysIOVec *iov0; SysIOVec *iov; int iovlen; int iovcnt; - struct t_pwritev *c = &d->c.pwritev; size_t p; int segment; size_t size, write_size, written; @@ -1695,9 +1683,9 @@ static void invoke_pwritev(void *data) { d->result_ok = 0; d->again = 0; deq_error: - MUTEX_LOCK(d->c.writev.q_mtx); - driver_deq(d->c.pwritev.port, c->size); - MUTEX_UNLOCK(d->c.writev.q_mtx); + MUTEX_LOCK(c->q_mtx); + driver_deq(c->port, c->size); + MUTEX_UNLOCK(c->q_mtx); goto done; } else { @@ -1708,9 +1696,9 @@ static void invoke_pwritev(void *data) { ASSERT(written >= FILE_SEGMENT_WRITE); } - MUTEX_LOCK(d->c.writev.q_mtx); - driver_deq(d->c.pwritev.port, written); - MUTEX_UNLOCK(d->c.writev.q_mtx); + MUTEX_LOCK(c->q_mtx); + driver_deq(c->port, written); + MUTEX_UNLOCK(c->q_mtx); done: EF_FREE(iov); /* Free our copy of the vector, nothing to restore */ @@ -1938,6 +1926,8 @@ static void invoke_sendfile(void *data) d->result_ok = 1; if (d->c.sendfile.nbytes != 0) d->c.sendfile.nbytes -= nbytes; + } else if (nbytes == 0 && d->c.sendfile.nbytes == 0) { + d->result_ok = 1; } else d->result_ok = 0; } else { @@ -2578,7 +2568,6 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data) case FILE_CLOSE_ON_PORT_EXIT: /* See file_stop. However this is never invoked after the port is killed. */ free_data(data); - EF_FREE(desc); desc = NULL; /* This is it for this port, so just send dtrace and return, avoid doing anything to the freed data */ DTRACE6(efile_drv_return, sched_i1, sched_i2, sched_utag, |