diff options
Diffstat (limited to 'ports/sysdeps/unix/bsd/ultrix4/mips/sigvec.c')
-rw-r--r-- | ports/sysdeps/unix/bsd/ultrix4/mips/sigvec.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/bsd/ultrix4/mips/sigvec.c b/ports/sysdeps/unix/bsd/ultrix4/mips/sigvec.c new file mode 100644 index 000000000..5775c9adb --- /dev/null +++ b/ports/sysdeps/unix/bsd/ultrix4/mips/sigvec.c @@ -0,0 +1,55 @@ +/* Copyright (C) 1992, 1996, 1997, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* The sigvec system call on MIPS Ultrix takes an additional + parameter, which is the address that is actually called when the + signal occurs. + + When a signal occurs, we arrange for the kernel to call __handler. + That will save the frame and stack pointers into the context, and + then jump to this routine. See __handler.S. + + This code is based on sysdeps/unix/bsd/sun4/sigtramp.c, but it's + different because since we get passed the user signal handler we + don't actually need a trampoline. */ + +#include <signal.h> +#include <stddef.h> +#include <errno.h> + +/* The user's signal handler is called with three arguments. */ +typedef void (*handler_type) (int sig, int code, struct sigcontext *); + +extern int __raw_sigvec (int sig, CONST struct sigvec *vec, + struct sigvec *ovec, + void (*)(int sig, int code, + struct sigcontext *, + handler_type)); + +extern void __handler (int sig, int code, + struct sigcontext *, + handler_type); + +int +__sigvec (sig, vec, ovec) + int sig; + const struct sigvec *vec; + struct sigvec *ovec; +{ + return __raw_sigvec (sig, vec, ovec, __handler); +} |