It turns out that init_new_thread_signals is always called with altstack == 1,
so we can eliminate the parameter.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
extern int os_getpgrp(void);
extern void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int));
extern int os_getpgrp(void);
extern void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int));
-extern void init_new_thread_signals(int altstack);
+extern void init_new_thread_signals(void);
extern int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr);
extern int os_map_memory(void *virt, int fd, unsigned long long off,
extern int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr);
extern int os_map_memory(void *virt, int fd, unsigned long long off,
if(proc_mm)
userspace_pid[0] = start_userspace(0);
if(proc_mm)
userspace_pid[0] = start_userspace(0);
- init_new_thread_signals(1);
+ init_new_thread_signals();
init_task.thread.request.u.thread.proc = start_kernel_proc;
init_task.thread.request.u.thread.arg = NULL;
init_task.thread.request.u.thread.proc = start_kernel_proc;
init_task.thread.request.u.thread.arg = NULL;
static int exec_tramp(void *sig_stack)
{
init_new_thread_stack(sig_stack, NULL);
static int exec_tramp(void *sig_stack)
{
init_new_thread_stack(sig_stack, NULL);
- init_new_thread_signals(1);
+ init_new_thread_signals();
os_stop_process(os_getpid());
return(0);
}
os_stop_process(os_getpid());
return(0);
}
schedule_tail(current->thread.prev_sched);
current->thread.prev_sched = NULL;
schedule_tail(current->thread.prev_sched);
current->thread.prev_sched = NULL;
- init_new_thread_signals(1);
+ init_new_thread_signals();
enable_timer();
free_page(current->thread.temp_stack);
set_cmdline("(kernel thread)");
enable_timer();
free_page(current->thread.temp_stack);
set_cmdline("(kernel thread)");
if(usr1_handler) set_handler(SIGUSR1, usr1_handler, flags, -1);
}
if(usr1_handler) set_handler(SIGUSR1, usr1_handler, flags, -1);
}
-void init_new_thread_signals(int altstack)
+void init_new_thread_signals(void)
- int flags = altstack ? SA_ONSTACK : 0;
-
- set_handler(SIGSEGV, (__sighandler_t) sig_handler, flags,
+ set_handler(SIGSEGV, (__sighandler_t) sig_handler, SA_ONSTACK,
SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
- set_handler(SIGTRAP, (__sighandler_t) sig_handler, flags,
+ set_handler(SIGTRAP, (__sighandler_t) sig_handler, SA_ONSTACK,
SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
- set_handler(SIGFPE, (__sighandler_t) sig_handler, flags,
+ set_handler(SIGFPE, (__sighandler_t) sig_handler, SA_ONSTACK,
SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
- set_handler(SIGILL, (__sighandler_t) sig_handler, flags,
+ set_handler(SIGILL, (__sighandler_t) sig_handler, SA_ONSTACK,
SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
- set_handler(SIGBUS, (__sighandler_t) sig_handler, flags,
+ set_handler(SIGBUS, (__sighandler_t) sig_handler, SA_ONSTACK,
SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
set_handler(SIGUSR2, (__sighandler_t) sig_handler,
SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
set_handler(SIGUSR2, (__sighandler_t) sig_handler,
- flags, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
+ SA_ONSTACK, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM,
+ -1);
- init_irq_signals(altstack);
}
int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr)
}
int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr)
ptrace(PTRACE_TRACEME, 0, 0, 0);
ptrace(PTRACE_TRACEME, 0, 0, 0);
- init_new_thread_signals(1);
+ init_new_thread_signals();
enable_timer();
if(!proc_mm){
enable_timer();
if(!proc_mm){