diff options
Diffstat (limited to 'libc/sysdeps/linux/common/bits/sigaction.h')
| -rw-r--r-- | libc/sysdeps/linux/common/bits/sigaction.h | 42 |
1 files changed, 17 insertions, 25 deletions
diff --git a/libc/sysdeps/linux/common/bits/sigaction.h b/libc/sysdeps/linux/common/bits/sigaction.h index 48cc5312f..7489aa878 100644 --- a/libc/sysdeps/linux/common/bits/sigaction.h +++ b/libc/sysdeps/linux/common/bits/sigaction.h @@ -21,34 +21,26 @@ # error "Never include <bits/sigaction.h> directly; use <signal.h> instead." #endif -/* Structure describing the action to be taken when a signal arrives. */ -struct sigaction - { - /* Signal handler. */ +/* Structure describing the action to be taken when a signal arrives. + * In uclibc, it is identical to "new" struct kernel_sigaction + * (one from the Linux 2.1.68 kernel). + * This minimizes amount of translation in sigaction(). + */ +struct sigaction { #ifdef __USE_POSIX199309 - union - { - /* Used if SA_SIGINFO is not set. */ - __sighandler_t sa_handler; - /* Used if SA_SIGINFO is set. */ - void (*sa_sigaction) (int, siginfo_t *, void *); - } - __sigaction_handler; -# define sa_handler __sigaction_handler.sa_handler -# define sa_sigaction __sigaction_handler.sa_sigaction + union { + __sighandler_t sa_handler; + void (*sa_sigaction)(int, siginfo_t *, void *); + } __sigaction_handler; +# define sa_handler __sigaction_handler.sa_handler +# define sa_sigaction __sigaction_handler.sa_sigaction #else - __sighandler_t sa_handler; + __sighandler_t sa_handler; #endif - - /* Additional set of signals to be blocked. */ - __sigset_t sa_mask; - - /* Special flags. */ - int sa_flags; - - /* Restore handler. */ - void (*sa_restorer) (void); - }; + unsigned long sa_flags; + void (*sa_restorer)(void); + sigset_t sa_mask; +}; /* Bits in `sa_flags'. */ #define SA_NOCLDSTOP 1 /* Don't send SIGCHLD when children stop. */ |