From 084e597e9f8e630e9b3fc7044d544699ad5d2886 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Sun, 10 Jul 2016 15:46:55 +0200 Subject: x86_64: use C implementation for pthread_cond_wait/pthread_cond_timedwait Add test case for the deadlock detection. Reported-By: Martin Willi --- test/nptl/Makefile.in | 2 +- test/nptl/tst-cond-deadlock.c | 51 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 52 insertions(+), 1 deletion(-) create mode 100644 test/nptl/tst-cond-deadlock.c (limited to 'test') diff --git a/test/nptl/Makefile.in b/test/nptl/Makefile.in index ac2aa8b1e..f8dd1ca90 100644 --- a/test/nptl/Makefile.in +++ b/test/nptl/Makefile.in @@ -31,7 +31,7 @@ TESTS := tst-align tst-align2 tst-atfork1 tst-attr1 tst-attr2 tst-attr3 \ tst-signal5 tst-signal6 tst-spin1 tst-spin2 tst-spin3 \ tst-stack1 tst-stack2 tst-stdio1 tst-stdio2 tst-sysconf \ tst-tls1 tst-tls2 tst-tls3 tst-tls4 tst-tls5 tst-tsd1 tst-tsd2 \ - tst-tsd3 tst-tsd4 tst-tsd5 tst-umask1 \ + tst-tsd3 tst-tsd4 tst-tsd5 tst-umask1 tst-cond-deadlock \ tst-align3 tst-cancel4 tst-cancel5 tst-cancel18 tst-cancel23 \ tst-cancel25 tst-cancelx2 tst-cancelx3 tst-cancelx4 tst-cancelx6 \ tst-cancelx7 tst-cancelx8 tst-cancelx9 tst-cancelx10 tst-cancelx11 \ diff --git a/test/nptl/tst-cond-deadlock.c b/test/nptl/tst-cond-deadlock.c new file mode 100644 index 000000000..dd978fb3d --- /dev/null +++ b/test/nptl/tst-cond-deadlock.c @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2016 Martin Willi + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include + +static pthread_mutex_t m; +static pthread_cond_t c; +static pthread_t t; +static volatile int ready; + +static void cancelcb(void *arg) +{ + pthread_mutex_unlock(&m); +} + +static void* threadcb(void *arg) +{ + pthread_mutex_lock(&m); + pthread_cleanup_push(cancelcb, NULL); + + ready = 1; + while (1) + pthread_cond_wait(&c, &m); + pthread_cleanup_pop(1); +} + +static int +do_test (void) +{ + pthread_mutex_init(&m, NULL); + pthread_cond_init(&c, NULL); + + pthread_create(&t, NULL, threadcb, NULL); + + while (!ready); + + pthread_cancel(t); + pthread_join(t, NULL); + + pthread_cond_signal(&c); + pthread_cond_destroy(&c); + pthread_mutex_destroy(&m); + + return 0; +} + +#define TEST_FUNCTION do_test () +#define TIMEOUT 100 +#include "../test-skeleton.c" -- cgit v1.2.3