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    SubjectRe: [BUG - HRT patch] nanosleep returns 0 on failure
    "Fleischer, Julie N" wrote:
    >
    > > george anzinger wrote:
    > > If you don't mind, I will add your test code to my
    > > clock_nanosleep test code so this does not creep back in.
    >
    > Sure. It's all GPL. The 6-1.c test case (attached below) probably has the
    > best test because it does multiple values, some < 0, some >= 1000 million.
    >
    > One other thing I forgot to write in my previous report is that
    > clock_nanosleep() appeared to behave as expected, just nanosleep() showed
    > the issue of returning 0 on failure.

    Yes, I found the problem. Thanks for the code and the heads
    up.

    -g
    >
    > Thanks.
    > - Julie
    >
    > ----
    > test 6-1.c
    > /*
    > * Copyright (c) 2002, Intel Corporation. All rights reserved.
    > * Created by: julie.n.fleischer REMOVE-THIS AT intel DOT com
    > * This file is licensed under the GPL license. For the full content
    > * of this license, see the COPYING file at the top level of this
    > * source tree.
    >
    > * Test that nanosleep() sets errno to EINVAL if rqtp contained a
    > * nanosecond value < 0 or >= 1,000 million
    > */
    > #include <stdio.h>
    > #include <time.h>
    > #include <errno.h>
    >
    > #define PTS_PASS 0
    > #define PTS_FAIL 1
    > #define PTS_UNRESOLVED 2
    >
    > #define NUMTESTS 7
    >
    > int main(int argc, char *argv[])
    > {
    > struct timespec tssleepfor, tsstorage;
    > int sleepnsec[NUMTESTS] = {-1, -5, -1000000000, 1000000000,
    > 1000000001, 2000000000, 2000000000 };
    > int i;
    > int failure = 0;
    >
    > tssleepfor.tv_sec=0;
    >
    > for (i=0; i<NUMTESTS;i++) {
    > tssleepfor.tv_nsec=sleepnsec[i];
    > printf("sleep %d\n", sleepnsec[i]);
    > if (nanosleep(&tssleepfor, &tsstorage) == -1) {
    > if (EINVAL != errno) {
    > printf("errno != EINVAL\n");
    > failure = 1;
    > }
    > } else {
    > printf("nanosleep() did not return -1 on
    > failure\n");
    > return PTS_UNRESOLVED;
    > }
    > }
    >
    > if (failure) {
    > printf("At least one test FAILED\n");
    > return PTS_FAIL;
    > } else {
    > printf("All tests PASSED\n");
    > return PTS_PASS;
    > }
    > }
    > **These views are not necessarily those of my employer.**
    > -
    > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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    > Please read the FAQ at http://www.tux.org/lkml/

    --
    George Anzinger george@mvista.com
    High-res-timers:
    http://sourceforge.net/projects/high-res-timers/
    Preemption patch:
    http://www.kernel.org/pub/linux/kernel/people/rml
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
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    Please read the FAQ at http://www.tux.org/lkml/

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