diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/sigaction.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/sigaction.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/sigaction.c b/sysdeps/unix/sysv/linux/i386/sigaction.c index 32b5d3c6f1..8971a86a92 100644 --- a/sysdeps/unix/sysv/linux/i386/sigaction.c +++ b/sysdeps/unix/sysv/linux/i386/sigaction.c @@ -25,6 +25,7 @@ #include <sysdep.h> #include <sys/syscall.h> +#include <ldsodefs.h> #include <kernel-features.h> @@ -84,16 +85,16 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact) if (act) { kact.k_sa_handler = act->sa_handler; + kact.sa_flags = act->sa_flags; memcpy (&kact.sa_mask, &act->sa_mask, sizeof (sigset_t)); -# if __ASSUME_VSYSCALL == 0 - kact.sa_flags = act->sa_flags | SA_RESTORER; + if (GL(dl_sysinfo_dso) == NULL) + { + kact.sa_flags |= SA_RESTORER; - kact.sa_restorer = ((act->sa_flags & SA_SIGINFO) - ? &restore_rt : &restore); -# else - kact.sa_flags = act->sa_flags; -# endif + kact.sa_restorer = ((act->sa_flags & SA_SIGINFO) + ? &restore_rt : &restore); + } } /* XXX The size argument hopefully will have to be changed to the @@ -159,7 +160,6 @@ libc_hidden_weak (__sigaction) weak_alias (__libc_sigaction, sigaction) #endif -#if __ASSUME_VSYSCALL == 0 /* NOTE: Please think twice before making any changes to the bits of code below. GDB needs some intimate knowledge about it to recognize them as signal trampolines, and make backtraces through @@ -168,8 +168,8 @@ weak_alias (__libc_sigaction, sigaction) If you ever feel the need to make any changes, please notify the appropriate GDB maintainer. */ -# define RESTORE(name, syscall) RESTORE2 (name, syscall) -# define RESTORE2(name, syscall) \ +#define RESTORE(name, syscall) RESTORE2 (name, syscall) +#define RESTORE2(name, syscall) \ asm \ ( \ ".text\n" \ @@ -179,14 +179,14 @@ asm \ " int $0x80" \ ); -# ifdef __NR_rt_sigaction +#ifdef __NR_rt_sigaction /* The return code for realtime-signals. */ RESTORE (restore_rt, __NR_rt_sigreturn) -# endif +#endif /* For the boring old signals. */ -# undef RESTORE2 -# define RESTORE2(name, syscall) \ +#undef RESTORE2 +#define RESTORE2(name, syscall) \ asm \ ( \ ".text\n" \ @@ -198,4 +198,3 @@ asm \ ); RESTORE (restore, __NR_sigreturn) -#endif |