glibc/sysdeps/generic/sigsetops.h
Paul Eggert 581c785bf3 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 7061 files FOO.

I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah.  I don't
know why I run into these diagnostics whereas others evidently do not.

remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
2022-01-01 11:40:24 -08:00

77 lines
2.1 KiB
C

/* __sigset_t manipulators. Generic/BSD version.
Copyright (C) 1991-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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/>. */
#ifndef _SIGSETOPS_H
#define _SIGSETOPS_H 1
#include <signal.h>
/* Return a mask that includes SIG only. The cast to `sigset_t' avoids
overflow if `sigset_t' is wider than `int'. */
# define __sigmask(sig) (((__sigset_t) 1) << ((sig) - 1))
#define __sigemptyset(set) \
(__extension__ ({ \
*(set) = (__sigset_t) 0; \
0; \
}))
#define __sigfillset(set) \
(__extension__ ({ \
*(set) = ~(__sigset_t) 0; \
0; \
}))
# define __sigisemptyset(set) \
(*(set) == (__sigset_t) 0)
# define __sigandset(dest, left, right) \
(__extension__ ({ \
*(dest) = *(left) & *(right); \
0; \
}))
# define __sigorset(dest, left, right) \
(__extension__ ({ \
*(dest) = *(left) | *(right); \
0; \
}))
/* These macros needn't check for a bogus signal number;
checking is done in the non-__ versions. */
# define __sigismember(set, sig) \
(__extension__ ({ \
__sigset_t __mask = __sigmask (sig); \
*(set) & __mask ? 1 : 0; \
}))
# define __sigaddset(set, sig) \
(__extension__ ({ \
__sigset_t __mask = __sigmask (sig); \
*(set) |= __mask; \
0; \
}))
# define __sigdelset(set, sig) \
(__extension__ ({ \
__sigset_t __mask = __sigmask (sig); \
*(set) &= ~__mask; \
0; \
}))
#endif