glibc/sysdeps/pthread/eintr.c
Paul Eggert 2b778ceb40 Update copyright dates with scripts/update-copyrights
I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master
2021-01-02 12:17:34 -08:00

87 lines
2.0 KiB
C

/* Copyright (C) 2003-2021 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, see
<https://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <signal.h>
#include <unistd.h>
#include <support/xthread.h>
#include <support/xsignal.h>
#include <support/xthread.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 };
if (arg == NULL)
{
sigset_t ss;
sigemptyset (&ss);
sigaddset (&ss, the_sig);
xpthread_sigmask (SIG_BLOCK, &ss, NULL);
}
while (1)
{
if (arg != NULL)
pthread_kill (*(pthread_t *) arg, the_sig);
else
kill (getpid (), the_sig);
nanosleep (&ts, NULL);
}
/* NOTREACHED */
return NULL;
}
static void
setup_eintr (int sig, pthread_t *thp)
{
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. */
xpthread_create (NULL, eintr_source, thp);
}