aboutsummaryrefslogtreecommitdiff
path: root/nptl/eintr.c
diff options
context:
space:
mode:
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)
downloadglibc-71028edd8f9ddbc05f0013d434e0b5cbceee2148.zip
glibc-71028edd8f9ddbc05f0013d434e0b5cbceee2148.tar.gz
glibc-71028edd8f9ddbc05f0013d434e0b5cbceee2148.tar.bz2
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 0000000..a1b4746
--- /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);
+ }
+}