aaa5f039eb
* configure.in (MAKEINFO, PERL): Detect these. (--enable-maintainer-mode): Add. * configure: Regenerate. * Makefile.in (MAKEINFO, PERL): Define. (libiberty.info, libiberty.dvi, libiberty.html): New. (CFILES): Add bsearch.c. (CONFIGURED_OFILES): New, list of objects configure might add. (maint-missing, maint-buildall): New, for maintainers only. (clean, mostlyclean): Add info/dvi/html files. * libiberty.texi, copying-lib.texi, obstacks.texi, functions.texi: New. * gather-docs: New, for maintainers. * maint-tool: New, for maintainers. * alloca.c, atexit.c, basename.c, bcmp.c, bcopy.c, bsearch.c, bzero.c, calloc.c, clock.c, configure.in, configure, getcwd.c, getpagesize.c, getpwd.c, index.c, memchr.c, memcmp.c, memcpy.c, memmove.c, memset.c, putenv.c, rename.c, rindex.c, setenv.c, sigsetmask.c, strcasecmp.c, strchr.c, strdup.c, strerror.c, strncasecmp.c, strncmp.c, strrchr.c, strstr.c, strtod.c, strtol.c, tmpnam.c, vfork.c, vprintf.c, waitpid.c, xatexit.c, xexit.c, xmalloc.c, xmemdup.c, xstrdup.c, xstrerror.c: Add or update documentation. Co-Authored-By: Phil Edwards <pedwards@disaster.jaj.com> From-SVN: r45828
42 lines
931 B
C
42 lines
931 B
C
/* Version of sigsetmask.c
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Written by Steve Chamberlain (sac@cygnus.com).
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Contributed by Cygnus Support.
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This file is in the public doamin. */
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/*
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@deftypefn Supplemental int sigsetmask (int @var{set})
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Sets the signal mask to the one provided in @var{set} and returns
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the old mask (which, for libiberty's implementation, will always
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be the value @code{1}).
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@end deftypefn
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*/
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#define _POSIX_SOURCE
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#include <ansidecl.h>
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/* Including <sys/types.h> seems to be needed by ISC. */
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#include <sys/types.h>
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#include <signal.h>
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extern void abort PARAMS ((void)) ATTRIBUTE_NORETURN;
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#ifdef SIG_SETMASK
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int
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DEFUN(sigsetmask,(set),
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int set)
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{
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sigset_t new;
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sigset_t old;
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sigemptyset (&new);
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if (set != 0) {
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abort(); /* FIXME, we don't know how to translate old mask to new */
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}
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sigprocmask(SIG_SETMASK, &new, &old);
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return 1; /* FIXME, we always return 1 as old value. */
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}
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#endif
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