diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/sigaction.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/sigaction.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/sigaction.c b/sysdeps/unix/sysv/linux/i386/sigaction.c index 6e26a5e6e2..a6d2b63634 100644 --- a/sysdeps/unix/sysv/linux/i386/sigaction.c +++ b/sysdeps/unix/sysv/linux/i386/sigaction.c @@ -28,8 +28,8 @@ #include <kernel_sigaction.h> -extern int __syscall_rt_sigaction (int, const struct sigaction *, - struct sigaction *, size_t); +extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *, + struct kernel_sigaction *, size_t); /* The variable is shared between all wrappers around signal handling functions which have RT equivalents. */ @@ -47,27 +47,34 @@ __sigaction (int sig, const struct sigaction *act, struct sigaction *oact) /* First try the RT signals. */ if (!__libc_missing_rt_sigs) { - struct sigaction nact, *nactp; + struct kernel_sigaction kact, koact; if (act) { - nact.sa_handler = act->sa_handler; - memcpy (&nact.sa_mask, &act->sa_mask, sizeof (sigset_t)); - nact.sa_flags = act->sa_flags; + kact.k_sa_handler = act->sa_handler; + memcpy (&kact.sa_mask, &act->sa_mask, sizeof (sigset_t)); + kact.sa_flags = act->sa_flags; - nact.sa_restorer = ((act->sa_flags & SA_NOMASK) + kact.sa_restorer = ((act->sa_flags & SA_NOMASK) ? &&restore_nomask : &&restore); - nactp = &nact; } - else - nactp = NULL; /* XXX The size argument hopefully will have to be changed to the real size of the user-level sigset_t. */ - result = __syscall_rt_sigaction (sig, nactp, oact, _NSIG / 8); + result = __syscall_rt_sigaction (sig, act ? &kact : NULL, + oact ? &koact : NULL, _NSIG / 8); if (result >= 0 || errno != ENOSYS) - return result; + { + if (oact && result >= 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 result; + } __libc_missing_rt_sigs = 1; } |