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authorUlrich Drepper <drepper@redhat.com>2000-07-26 06:30:30 +0000
committerUlrich Drepper <drepper@redhat.com>2000-07-26 06:30:30 +0000
commit025a5afa2df2c13cd5a35ffb15acdf61b6ebb681 (patch)
tree174e7214dfb2ed94ba98b2f792623ba8d85ec020 /rt
parentb7ed26c6633ae836938d056490ab4efaa0749af0 (diff)
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Update.
* rt/lio_listio.c (lio_listio): Always disable individual notification. * rt/Makefile: Add rules to build and run tst-aio2. * rt/tst-aio2.c: New file.
Diffstat (limited to 'rt')
-rw-r--r--rt/Makefile4
-rw-r--r--rt/lio_listio.c10
-rw-r--r--rt/tst-aio2.c84
3 files changed, 96 insertions, 2 deletions
diff --git a/rt/Makefile b/rt/Makefile
index efaf19ded9..8eb019662e 100644
--- a/rt/Makefile
+++ b/rt/Makefile
@@ -40,7 +40,7 @@ include ../Makeconfig
ifeq ($(have-thread-library),yes)
-tests := tst-aio tst-aio64 tst-clock tst-shm tst-timer
+tests := tst-aio tst-aio64 tst-clock tst-shm tst-timer tst-aio2
extra-libs := librt
extra-libs-others := $(extra-libs)
@@ -56,11 +56,13 @@ $(objpfx)librt.so: $(common-objpfx)libc.so $(shared-thread-library)
ifeq (yes,$(build-shared))
$(objpfx)tst-aio: $(objpfx)librt.so $(shared-thread-library)
+$(objpfx)tst-aio2: $(objpfx)librt.so $(shared-thread-library)
$(objpfx)tst-aio64: $(objpfx)librt.so $(shared-thread-library)
$(objpfx)tst-clock: $(objpfx)librt.so $(shared-thread-library)
$(objpfx)tst-shm: $(objpfx)librt.so $(shared-thread-library)
else
$(objpfx)tst-aio: $(objpfx)librt.a $(static-thread-library)
+$(objpfx)tst-aio2: $(objpfx)librt.a $(static-thread-library)
$(objpfx)tst-aio64: $(objpfx)librt.a $(static-thread-library)
$(objpfx)tst-clock: $(objpfx)librt.a $(static-thread-library)
$(objpfx)tst-shm: $(objpfx)librt.a $(static-thread-library)
diff --git a/rt/lio_listio.c b/rt/lio_listio.c
index 13d1b79a58..37ddb84ef5 100644
--- a/rt/lio_listio.c
+++ b/rt/lio_listio.c
@@ -1,5 +1,5 @@
/* Enqueue and list of read or write requests.
- Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -42,6 +42,7 @@ lio_listio (mode, list, nent, sig)
int nent;
struct sigevent *sig;
{
+ struct sigevent defsigev;
struct requestlist *requests[nent];
int cnt;
volatile int total = 0;
@@ -54,6 +55,12 @@ lio_listio (mode, list, nent, sig)
return -1;
}
+ if (sig == NULL)
+ {
+ defsigev.sigev_notify = SIGEV_NONE;
+ sig = &defsigev;
+ }
+
/* Request the mutex. */
pthread_mutex_lock (&__aio_requests_mutex);
@@ -62,6 +69,7 @@ lio_listio (mode, list, nent, sig)
for (cnt = 0; cnt < nent; ++cnt)
if (list[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP)
{
+ list[cnt]->aio_sigevent.sigev_notify = SIGEV_NONE;
requests[cnt] = __aio_enqueue_request ((aiocb_union *) list[cnt],
list[cnt]->aio_lio_opcode);
diff --git a/rt/tst-aio2.c b/rt/tst-aio2.c
new file mode 100644
index 0000000000..79c8390116
--- /dev/null
+++ b/rt/tst-aio2.c
@@ -0,0 +1,84 @@
+/* Test for notification mechanism in lio_listio.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <aio.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int flag;
+
+
+void
+thrfct (sigval_t arg)
+{
+ flag = 1;
+}
+
+
+int
+do_test (int argc, char *argv[])
+{
+ char name[] = "/tmp/aio2.XXXXXX";
+ int fd;
+ struct aiocb *arr[1];
+ struct aiocb cb;
+ static const char buf[] = "Hello World\n";
+
+ fd = mkstemp (name);
+ if (fd == -1)
+ {
+ printf ("cannot open temp name: %m\n");
+ return 1;
+ }
+
+ unlink (name);
+
+ arr[0] = &cb;
+
+ cb.aio_fildes = fd;
+ cb.aio_lio_opcode = LIO_WRITE;
+ cb.aio_reqprio = 0;
+ cb.aio_buf = (void *) buf;
+ cb.aio_nbytes = sizeof (buf) - 1;
+ cb.aio_sigevent.sigev_notify = SIGEV_THREAD;
+ cb.aio_sigevent.sigev_notify_function = thrfct;
+ cb.aio_sigevent.sigev_notify_attributes = NULL;
+ cb.aio_sigevent.sigev_value.sival_ptr = NULL;
+
+ if (lio_listio (LIO_WAIT, arr, 1, NULL) < 0)
+ {
+ printf ("lio_listio failed: %m\n");
+ return 1;
+ }
+
+ if (flag != 0)
+ {
+ puts ("thread created, should not have happened");
+ return 1;
+ }
+
+ puts ("all OK");
+
+ return 0;
+}
+
+#include "../test-skeleton.c"