diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c | 49 |
1 files changed, 7 insertions, 42 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c index 50c444c72d..cfbbc6e7b4 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c @@ -1,5 +1,5 @@ /* POSIX.1 sigaction call for Linux/SPARC64. - Copyright (C) 1997-2016 Free Software Foundation, Inc. + Copyright (C) 1997-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Miguel de Icaza <miguel@nuclecu.unam.mx> and Jakub Jelinek <jj@ultra.linux.cz>. @@ -21,52 +21,17 @@ #include <string.h> #include <syscall.h> #include <sysdep.h> -#include <sys/signal.h> -#include <errno.h> - -#include <kernel_sigaction.h> - -/* SPARC 64bit userland requires a kernel that has rt signals anyway. */ static void __rt_sigreturn_stub (void); -int -__libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact) -{ - int ret; - struct kernel_sigaction kact, koact; - unsigned long stub = ((unsigned long) &__rt_sigreturn_stub) - 8; - - if (act) - { - kact.k_sa_handler = act->sa_handler; - memcpy (&kact.sa_mask, &act->sa_mask, sizeof (sigset_t)); - kact.sa_flags = act->sa_flags; - kact.sa_restorer = NULL; - } - - /* XXX The size argument hopefully will have to be changed to the - real size of the user-level sigset_t. */ - ret = INLINE_SYSCALL (rt_sigaction, 5, sig, - act ? &kact : 0, - oact ? &koact : 0, stub, _NSIG / 8); - - if (oact && ret >= 0) - { - oact->sa_handler = koact.k_sa_handler; - memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (sigset_t)); - oact->sa_flags = koact.sa_flags; - oact->sa_restorer = koact.sa_restorer; - } - - return ret; -} -libc_hidden_def (__libc_sigaction) - -#include <nptl/sigaction.c> +#define STUB(act) \ + (((unsigned long) &__rt_sigreturn_stub) - 8), +#include <sysdeps/unix/sysv/linux/sigaction.c> -static void +static +inhibit_stack_protector +void __rt_sigreturn_stub (void) { __asm__ ("mov %0, %%g1\n\t" |