diff options
Diffstat (limited to 'tools/testing/selftests/x86/helpers.h')
| -rw-r--r-- | tools/testing/selftests/x86/helpers.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tools/testing/selftests/x86/helpers.h b/tools/testing/selftests/x86/helpers.h index 4ef42c4559a9..6deaad035161 100644 --- a/tools/testing/selftests/x86/helpers.h +++ b/tools/testing/selftests/x86/helpers.h @@ -2,8 +2,13 @@ #ifndef __SELFTESTS_X86_HELPERS_H #define __SELFTESTS_X86_HELPERS_H +#include <signal.h> +#include <string.h> + #include <asm/processor-flags.h> +#include "../kselftest.h" + static inline unsigned long get_eflags(void) { #ifdef __x86_64__ @@ -22,4 +27,27 @@ static inline void set_eflags(unsigned long eflags) #endif } +static inline void sethandler(int sig, void (*handler)(int, siginfo_t *, void *), int flags) +{ + struct sigaction sa; + + memset(&sa, 0, sizeof(sa)); + sa.sa_sigaction = handler; + sa.sa_flags = SA_SIGINFO | flags; + sigemptyset(&sa.sa_mask); + if (sigaction(sig, &sa, 0)) + ksft_exit_fail_msg("sigaction failed"); +} + +static inline void clearhandler(int sig) +{ + struct sigaction sa; + + memset(&sa, 0, sizeof(sa)); + sa.sa_handler = SIG_DFL; + sigemptyset(&sa.sa_mask); + if (sigaction(sig, &sa, 0)) + ksft_exit_fail_msg("sigaction failed"); +} + #endif /* __SELFTESTS_X86_HELPERS_H */ |