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authorUlrich Drepper <drepper@redhat.com>2003-02-22 05:24:39 +0000
committerUlrich Drepper <drepper@redhat.com>2003-02-22 05:24:39 +0000
commit71028edd8f9ddbc05f0013d434e0b5cbceee2148 (patch)
tree3a6bfef651ed3a33a39de640f5fb11095cbe947f /nptl/eintr.c
parent6735470f7be97a7140bb09d255682c9c7a8e6bd0 (diff)
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Update.
	* Makefile (tests): Add tst-eintr1.
	(distribute): Add eintr.c.
	* tst-eintr1.c: New file.
	* eintr.c: New file.
Diffstat (limited to 'nptl/eintr.c')
-rw-r--r--nptl/eintr.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/nptl/eintr.c b/nptl/eintr.c
new file mode 100644
index 0000000000..a1b47467ca
--- /dev/null
+++ b/nptl/eintr.c
@@ -0,0 +1,75 @@
+/* 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 <signal.h>
+#include <unistd.h>
+
+
+static int the_sig;
+
+
+static void
+eintr_handler (int sig)
+{
+  if (sig != the_sig)
+    {
+      write (STDOUT_FILENO, "eintr_handler: signal number wrong\n", 35);
+      _exit (1);
+    }
+  write (STDOUT_FILENO, ".", 1);
+}
+
+
+static void *
+eintr_source (void *arg)
+{
+  struct timespec ts = { .tv_sec = 0, .tv_nsec = 500000 };
+
+  while (1)
+    {
+      kill (getpid (), the_sig);
+
+      nanosleep (&ts, NULL);
+    }
+}
+
+
+static void
+setup_eintr (int sig)
+{
+  struct sigaction sa;
+  sigemptyset (&sa.sa_mask);
+  sa.sa_flags = 0;
+  sa.sa_handler = eintr_handler;
+  if (sigaction (sig, &sa, NULL) != 0)
+    {
+      puts ("setup_eintr: sigaction failed");
+      exit (1);
+    }
+  the_sig = sig;
+
+  /* Create the thread which will fire off the signals.  */
+  pthread_t th;
+  if (pthread_create (&th, NULL, eintr_source, NULL) != 0)
+    {
+      puts ("setup_eintr: pthread_create failed");
+      exit (1);
+    }
+}