diff options
| author | Lorry Tar Creator <lorry-tar-importer@baserock.org> | 2014-12-23 14:38:46 +0000 |
|---|---|---|
| committer | <> | 2015-05-26 15:48:41 +0000 |
| commit | 5500a97a2ad1735db5b35bc51cfb825c1f4c38df (patch) | |
| tree | cc6e777c26142b88456ff03a672e1cb69215fc32 /libiberty/sigsetmask.c | |
| download | binutils-tarball-master.tar.gz | |
Imported from /home/lorry/working-area/delta_binutils-tarball/binutils-2.25.tar.bz2.HEADbinutils-2.25master
Diffstat (limited to 'libiberty/sigsetmask.c')
| -rw-r--r-- | libiberty/sigsetmask.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libiberty/sigsetmask.c b/libiberty/sigsetmask.c new file mode 100644 index 0000000..3b708b1 --- /dev/null +++ b/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 |
