summaryrefslogtreecommitdiff
path: root/test/nptl/tst-tls3mod.c
diff options
context:
space:
mode:
Diffstat (limited to 'test/nptl/tst-tls3mod.c')
-rw-r--r--test/nptl/tst-tls3mod.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/test/nptl/tst-tls3mod.c b/test/nptl/tst-tls3mod.c
new file mode 100644
index 000000000..53206d30d
--- /dev/null
+++ b/test/nptl/tst-tls3mod.c
@@ -0,0 +1,106 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <pthread.h>
+#include <semaphore.h>
+#include <signal.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <pthreaddef.h>
+#include <tls.h>
+
+#if HAVE___THREAD
+
+static pthread_barrier_t* b = NULL;
+
+#define TOTAL_SIGS 1000
+static int* nsigs = NULL;
+
+static sem_t* s = NULL;
+
+static __thread void (*fp) (void);
+
+
+#define THE_SIG SIGUSR1
+void
+handler (int sig)
+{
+ if (sig != THE_SIG)
+ {
+ write (STDOUT_FILENO, "wrong signal\n", 13);
+ _exit (1);
+ }
+
+ fp ();
+
+ if (sem_post (s) != 0)
+ {
+ write (STDOUT_FILENO, "sem_post failed\n", 16);
+ _exit (1);
+ }
+}
+
+void
+setup_tf (pthread_barrier_t* t_b, int* t_nsigs, sem_t* t_s)
+{
+ b = t_b;
+ nsigs = t_nsigs;
+ s = t_s;
+}
+
+void *
+tf (void *arg)
+{
+ if (!b || !s || !nsigs)
+ {
+ puts ("need to call setup_tf first");
+ exit (1);
+ }
+
+ if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT - 1))
+ {
+ puts ("thread's struct pthread not aligned enough");
+ exit (1);
+ }
+
+ if (fp != NULL)
+ {
+ printf("fp=%p\n", (void *)&fp);
+ puts ("fp not initially NULL");
+ exit (1);
+ }
+
+ fp = arg;
+
+ pthread_barrier_wait (b);
+
+ pthread_barrier_wait (b);
+
+ if (*nsigs != TOTAL_SIGS)
+ {
+ puts ("barrier_wait prematurely returns");
+ exit (1);
+ }
+
+ return NULL;
+}
+
+#endif