diff options
Diffstat (limited to 'arch/um/kernel/trap_user.c')
| -rw-r--r-- | arch/um/kernel/trap_user.c | 65 |
1 files changed, 13 insertions, 52 deletions
diff --git a/arch/um/kernel/trap_user.c b/arch/um/kernel/trap_user.c index e5511072512..5590b5739db 100644 --- a/arch/um/kernel/trap_user.c +++ b/arch/um/kernel/trap_user.c @@ -1,4 +1,4 @@ -/* +/* * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) * Licensed under the GPL */ @@ -25,20 +25,6 @@ #include "user_util.h" #include "os.h" -void kill_child_dead(int pid) -{ - kill(pid, SIGKILL); - kill(pid, SIGCONT); - do { - int n; - CATCH_EINTR(n = waitpid(pid, NULL, 0)); - if (n > 0) - kill(pid, SIGCONT); - else - break; - } while(1); -} - void segv_handler(int sig, union uml_pt_regs *regs) { struct faultinfo * fi = UPT_FAULTINFO(regs); @@ -55,43 +41,18 @@ void usr2_handler(int sig, union uml_pt_regs *regs) CHOOSE_MODE(syscall_handler_tt(sig, regs), (void) 0); } -struct signal_info sig_info[] = { - [ SIGTRAP ] { .handler = relay_signal, - .is_irq = 0 }, - [ SIGFPE ] { .handler = relay_signal, - .is_irq = 0 }, - [ SIGILL ] { .handler = relay_signal, - .is_irq = 0 }, - [ SIGWINCH ] { .handler = winch, - .is_irq = 1 }, - [ SIGBUS ] { .handler = bus_handler, - .is_irq = 0 }, - [ SIGSEGV] { .handler = segv_handler, - .is_irq = 0 }, - [ SIGIO ] { .handler = sigio_handler, - .is_irq = 1 }, - [ SIGVTALRM ] { .handler = timer_handler, - .is_irq = 1 }, - [ SIGALRM ] { .handler = timer_handler, - .is_irq = 1 }, - [ SIGUSR2 ] { .handler = usr2_handler, - .is_irq = 0 }, -}; +void (*sig_info[NSIG])(int, union uml_pt_regs *); -void do_longjmp(void *b, int val) +void os_fill_handlinfo(struct kern_handlers h) { - sigjmp_buf *buf = b; - - siglongjmp(*buf, val); + sig_info[SIGTRAP] = h.relay_signal; + sig_info[SIGFPE] = h.relay_signal; + sig_info[SIGILL] = h.relay_signal; + sig_info[SIGWINCH] = h.winch; + sig_info[SIGBUS] = h.bus_handler; + sig_info[SIGSEGV] = h.page_fault; + sig_info[SIGIO] = h.sigio_handler; + sig_info[SIGVTALRM] = h.timer_handler; + sig_info[SIGALRM] = h.timer_handler; + sig_info[SIGUSR2] = usr2_handler; } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ |