diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390/kernel_sigaction.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/s390/kernel_sigaction.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/kernel_sigaction.h b/sysdeps/unix/sysv/linux/s390/kernel_sigaction.h new file mode 100644 index 0000000000..7a6a2c4f29 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/kernel_sigaction.h @@ -0,0 +1,32 @@ +#include <bits/types/siginfo_t.h> + +#define SA_RESTORER 0x04000000 + +/* This is the sigaction structure from the Linux 3.2 kernel. */ +struct kernel_sigaction +{ + union + { + __sighandler_t _sa_handler; + void (*_sa_sigaction)(int, siginfo_t *, void *); + } _u; +#define k_sa_handler _u._sa_handler + /* The 'struct sigaction' definition in s390 kernel header + arch/s390/include/uapi/asm/signal.h is used for __NR_rt_sigaction + on 64 bits and for __NR_sigaction for 31 bits. + + The expected layout for __NR_rt_sigaction for 31 bits is either + 'struct sigaction' from include/linux/signal_types.h or + 'struct compat_sigaction' from include/linux/compat.h. + + So for __NR_rt_sigaction we can use the same layout for both s390x + and s390. */ + unsigned long sa_flags; + void (*sa_restorer)(void); + sigset_t sa_mask; +}; + +#define SET_SA_RESTORER(kact, act) \ + (kact)->sa_restorer = (act)->sa_restorer +#define RESET_SA_RESTORER(act, kact) \ + (act)->sa_restorer = (kact)->sa_restorer |