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Diffstat (limited to 'contrib/binutils/libiberty/sigsetmask.c')
-rw-r--r-- | contrib/binutils/libiberty/sigsetmask.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/contrib/binutils/libiberty/sigsetmask.c b/contrib/binutils/libiberty/sigsetmask.c new file mode 100644 index 0000000..4de3e4b --- /dev/null +++ b/contrib/binutils/libiberty/sigsetmask.c @@ -0,0 +1,41 @@ +/* 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 PARAMS ((void)) ATTRIBUTE_NORETURN; + +#ifdef SIG_SETMASK +int +sigsetmask (set) + int set; +{ + sigset_t new; + sigset_t old; + + sigemptyset (&new); + if (set != 0) { + abort(); /* FIXME, we don't know how to translate old mask to new */ + } + sigprocmask(SIG_SETMASK, &new, &old); + return 1; /* FIXME, we always return 1 as old value. */ +} +#endif |