X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fraise.c;fp=lib%2Fraise.c;h=8a93bea7f770c2899d72135f94c1e3c7b58c7e5a;hb=dc02bf0d39a3ae0d90d9b7b0feb32c2cc7cdff86;hp=0000000000000000000000000000000000000000;hpb=a8a88eddaa90432e6ec1b8d9d5c9842bc91afd1d;p=debian%2Fgzip diff --git a/lib/raise.c b/lib/raise.c new file mode 100644 index 0000000..8a93bea --- /dev/null +++ b/lib/raise.c @@ -0,0 +1,83 @@ +/* Provide a non-threads replacement for the POSIX raise function. + + Copyright (C) 2002-2003, 2005-2006, 2009-2018 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* written by Jim Meyering and Bruno Haible */ + +#include + +/* Specification. */ +#include + +#if HAVE_RAISE +/* Native Windows platform. */ + +# include + +# if HAVE_MSVC_INVALID_PARAMETER_HANDLER +# include "msvc-inval.h" +# endif + +# if HAVE_MSVC_INVALID_PARAMETER_HANDLER +/* Forward declaration. */ +static int raise_nothrow (int sig); +# else +# define raise_nothrow raise +# endif + +#else +/* An old Unix platform. */ + +# include + +#endif + +int +raise (int sig) +#undef raise +{ +#if GNULIB_defined_signal_blocking && GNULIB_defined_SIGPIPE + if (sig == SIGPIPE) + return _gl_raise_SIGPIPE (); +#endif + +#if HAVE_RAISE + return raise_nothrow (sig); +#else + return kill (getpid (), sig); +#endif +} + +#if HAVE_RAISE && HAVE_MSVC_INVALID_PARAMETER_HANDLER +static int +raise_nothrow (int sig) +{ + int result; + + TRY_MSVC_INVAL + { + result = raise (sig); + } + CATCH_MSVC_INVAL + { + result = -1; + errno = EINVAL; + } + DONE_MSVC_INVAL; + + return result; +} +#endif