#include <linux/errno.h>
#include <linux/wait.h>
#include <linux/ptrace.h>
+#include <linux/suspend.h>
#include <linux/unistd.h>
#include <asm/asm.h>
extern asmlinkage int do_signal(sigset_t *oldset, struct pt_regs *regs);
-extern asmlinkage void do_syscall_trace(void);
-
/*
* Atomically swap in the new signal mask, and wait for a signal.
*/
* Don't let your children do this ...
*/
if (current_thread_info()->flags & TIF_SYSCALL_TRACE)
- do_syscall_trace();
+ do_syscall_trace(®s, 1);
__asm__ __volatile__(
"move\t$29, %0\n\t"
"j\tsyscall_exit"
}
#endif
+ /*
+ * We want the common case to go fast, which is why we may in certain
+ * cases get here from kernel mode. Just return without doing anything
+ * if so.
+ */
+ if (!user_mode(regs))
+ return 1;
+
+ if (current->flags & PF_FREEZE) {
+ refrigerator(0);
+ goto no_signal;
+ }
+
if (!oldset)
oldset = ¤t->blocked;
return 1;
}
+no_signal:
/*
* Who's code doesn't conform to the restartable syscall convention
* dies here!!! The li instruction, a single machine instruction,