diff options
Diffstat (limited to 'libc/sysdeps/linux/mips/sigaction.c')
| -rw-r--r-- | libc/sysdeps/linux/mips/sigaction.c | 50 |
1 files changed, 22 insertions, 28 deletions
diff --git a/libc/sysdeps/linux/mips/sigaction.c b/libc/sysdeps/linux/mips/sigaction.c index 79bbdae5e..4cbdc7023 100644 --- a/libc/sysdeps/linux/mips/sigaction.c +++ b/libc/sysdeps/linux/mips/sigaction.c @@ -25,10 +25,10 @@ #include <sys/syscall.h> #include <bits/kernel_sigaction.h> -#define SA_RESTORER 0x04000000 - #if defined __NR_rt_sigaction +#warning "Yes there is a warning here. Don't worry about it." +static void restore_rt (void) asm ("__restore_rt"); /* If ACT is not NULL, change the action for SIG to *ACT. If OACT is not NULL, put the old action for SIG in *OACT. */ @@ -37,22 +37,17 @@ int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oa int result; struct kernel_sigaction kact, koact; -#ifdef SIGCANCEL - if (sig == SIGCANCEL) { - __set_errno (EINVAL); - return -1; - } -#endif - if (act) { kact.k_sa_handler = act->sa_handler; memcpy (&kact.sa_mask, &act->sa_mask, sizeof (kact.sa_mask)); kact.sa_flags = act->sa_flags; - - kact.sa_flags = act->sa_flags | SA_RESTORER; -#ifdef HAVE_SA_RESTORER +# ifdef HAVE_SA_RESTORER +# if _MIPS_SIM == _ABIO32 kact.sa_restorer = act->sa_restorer; -#endif +# else + kact.sa_restorer = &restore_rt; +# endif +# endif } /* XXX The size argument hopefully will have to be changed to the @@ -64,9 +59,9 @@ int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oa oact->sa_handler = koact.k_sa_handler; memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (oact->sa_mask)); oact->sa_flags = koact.sa_flags; -#ifdef HAVE_SA_RESTORER +# ifdef HAVE_SA_RESTORER oact->sa_restorer = koact.sa_restorer; -#endif +# endif } return result; } @@ -83,20 +78,17 @@ int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oa int result; struct old_kernel_sigaction kact, koact; -#ifdef SIGCANCEL - if (sig == SIGCANCEL) { - __set_errno (EINVAL); - return -1; - } -#endif - if (act) { kact.k_sa_handler = act->sa_handler; kact.sa_mask = act->sa_mask.__val[0]; - kact.sa_flags = act->sa_flags | SA_RESTORER; -#ifdef HAVE_SA_RESTORER + kact.sa_flags = act->sa_flags; +# ifdef HAVE_SA_RESTORER +# if _MIPS_SIM == _ABIO32 kact.sa_restorer = act->sa_restorer; -#endif +# else + kact.sa_restorer = &restore_rt; +# endif +# endif } result = __syscall_sigaction(sig, act ? __ptrvalue (&kact) : NULL, @@ -111,13 +103,15 @@ int __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oa oact->sa_handler = koact.k_sa_handler; oact->sa_mask.__val[0] = koact.sa_mask; oact->sa_flags = koact.sa_flags; -#ifdef HAVE_SA_RESTORER +# ifdef HAVE_SA_RESTORER oact->sa_restorer = koact.sa_restorer; -#endif +# endif } return result; } #endif -weak_alias (__libc_sigaction, sigaction) +#ifndef LIBC_SIGACTION +weak_alias (__libc_sigaction, sigaction) +#endif |