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| author | Al Viro <viro@ftp.linux.org.uk> | 2011-08-18 20:03:39 +0100 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2011-11-02 14:14:52 +0100 |
| commit | 7eb122555c8583e1601b7a620c5a88c1e06c3eac (patch) | |
| tree | 025b581845d16e22cf0ffb5c8d5853a670100588 /arch/um/os-Linux/signal.c | |
| parent | 5d40de0f6e726dc9c48fb35815e0a6153e59e1dc (diff) | |
| download | blackbird-op-linux-7eb122555c8583e1601b7a620c5a88c1e06c3eac.tar.gz blackbird-op-linux-7eb122555c8583e1601b7a620c5a88c1e06c3eac.zip | |
um: merge hard_handler() instances, switch to use of SA_SIGINFO
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/um/os-Linux/signal.c')
| -rw-r--r-- | arch/um/os-Linux/signal.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c index 4fc3cd19ec69..2dde9f6d6c0f 100644 --- a/arch/um/os-Linux/signal.c +++ b/arch/um/os-Linux/signal.c @@ -127,7 +127,7 @@ void set_sigstack(void *sig_stack, int size) static void (*handlers[_NSIG])(int sig, struct sigcontext *sc); -void handle_signal(int sig, struct sigcontext *sc) +static void handle_signal(int sig, struct sigcontext *sc) { unsigned long pending = 1UL << sig; @@ -168,7 +168,11 @@ void handle_signal(int sig, struct sigcontext *sc) } while (pending); } -extern void hard_handler(int sig); +static void hard_handler(int sig, siginfo_t *info, void *p) +{ + struct ucontext *uc = p; + handle_signal(sig, (struct sigcontext *) &uc->uc_mcontext); +} void set_handler(int sig, void (*handler)(int), int flags, ...) { @@ -178,7 +182,7 @@ void set_handler(int sig, void (*handler)(int), int flags, ...) int mask; handlers[sig] = (void (*)(int, struct sigcontext *)) handler; - action.sa_handler = hard_handler; + action.sa_sigaction = hard_handler; sigemptyset(&action.sa_mask); @@ -190,7 +194,7 @@ void set_handler(int sig, void (*handler)(int), int flags, ...) if (sig == SIGSEGV) flags |= SA_NODEFER; - action.sa_flags = flags; + action.sa_flags = flags | SA_SIGINFO; action.sa_restorer = NULL; if (sigaction(sig, &action, NULL) < 0) panic("sigaction failed - errno = %d\n", errno); |
