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* tst-mutex3.c (do_test): Add tests for trylock with RECURSIVE mutexes.
This commit is contained in:
Ulrich Drepper 2003-02-15 10:32:02 +00:00
parent e798b60fe4
commit c3bb9ee1bc
2 changed files with 51 additions and 2 deletions
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2
nptl/ChangeLog
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@ -1,5 +1,7 @@
2003-02-15 Ulrich Drepper <drepper@redhat.com>
* tst-mutex3.c (do_test): Add tests for trylock with RECURSIVE mutexes.
* sysdeps/unix/sysv/linux/pthread_kill.c (__pthread_kill): Don't
use INLINE_SYSCALL. Error number is returned, not -1.

51
nptl/tst-mutex3.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -20,12 +20,34 @@
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
static pthread_mutex_t m;
static void *
tf (void *arg)
{
int e = pthread_mutex_trylock (&m);
if (e == 0)
{
puts ("mutex_trylock in second thread succeeded");
exit (1);
}
if (e != EBUSY)
{
puts ("mutex_trylock returned wrong value");
exit (1);
}
return NULL;
}
static int
do_test (void)
{
pthread_mutex_t m;
pthread_mutexattr_t a;
if (pthread_mutexattr_init (&a) != 0)
@ -58,6 +80,12 @@ do_test (void)
return 1;
}
if (pthread_mutex_trylock (&m) != 0)
{
puts ("1st trylock failed");
return 1;
}
if (pthread_mutex_unlock (&m) != 0)
{
puts ("mutex_unlock failed");
@ -70,6 +98,25 @@ do_test (void)
return 1;
}
pthread_t th;
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
puts ("create failed");
return 1;
}
if (pthread_join (th, NULL) != 0)
{
puts ("join failed");
return 1;
}
if (pthread_mutex_unlock (&m) != 0)
{
puts ("3rd mutex_unlock failed");
return 1;
}
if (pthread_mutex_destroy (&m) != 0)
{
puts ("mutex_destroy failed");