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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/pthread/eintr.c
1 /* Copyright (C) 2003-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
21 #include <support/xthread.h>
22 #include <support/xsignal.h>
23 #include <support/xthread.h>
30 eintr_handler (int sig
)
34 write (STDOUT_FILENO
, "eintr_handler: signal number wrong\n", 35);
37 write (STDOUT_FILENO
, ".", 1);
42 eintr_source (void *arg
)
44 struct timespec ts
= { .tv_sec
= 0, .tv_nsec
= 500000 };
50 sigaddset (&ss
, the_sig
);
51 xpthread_sigmask (SIG_BLOCK
, &ss
, NULL
);
57 pthread_kill (*(pthread_t
*) arg
, the_sig
);
59 kill (getpid (), the_sig
);
61 nanosleep (&ts
, NULL
);
70 setup_eintr (int sig
, pthread_t
*thp
)
73 sigemptyset (&sa
.sa_mask
);
75 sa
.sa_handler
= eintr_handler
;
76 if (sigaction (sig
, &sa
, NULL
) != 0)
78 puts ("setup_eintr: sigaction failed");
83 /* Create the thread which will fire off the signals. */
84 xpthread_create (NULL
, eintr_source
, thp
);