diff options
Diffstat (limited to 'contrib/gcclibs/libiberty/sigsetmask.c')
-rw-r--r-- | contrib/gcclibs/libiberty/sigsetmask.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/contrib/gcclibs/libiberty/sigsetmask.c b/contrib/gcclibs/libiberty/sigsetmask.c new file mode 100644 index 0000000..3b708b1 --- /dev/null +++ b/contrib/gcclibs/libiberty/sigsetmask.c @@ -0,0 +1,40 @@ +/* Version of sigsetmask.c + Written by Steve Chamberlain (sac@cygnus.com). + Contributed by Cygnus Support. + This file is in the public doamin. */ + +/* + +@deftypefn Supplemental int sigsetmask (int @var{set}) + +Sets the signal mask to the one provided in @var{set} and returns +the old mask (which, for libiberty's implementation, will always +be the value @code{1}). + +@end deftypefn + +*/ + +#define _POSIX_SOURCE +#include <ansidecl.h> +/* Including <sys/types.h> seems to be needed by ISC. */ +#include <sys/types.h> +#include <signal.h> + +extern void abort (void) ATTRIBUTE_NORETURN; + +#ifdef SIG_SETMASK +int +sigsetmask (int set) +{ + sigset_t new_sig; + sigset_t old_sig; + + sigemptyset (&new_sig); + if (set != 0) { + abort(); /* FIXME, we don't know how to translate old mask to new */ + } + sigprocmask(SIG_SETMASK, &new_sig, &old_sig); + return 1; /* FIXME, we always return 1 as old value. */ +} +#endif |