[PATCH 1/8] ptrace: forced_successful_syscall_return() macro
DORMANTno replies
From: Roland McGrath <hidden>
Date: 2008-03-19 22:48:46
Also in:
linux-arch, lkml, sparclinux
Subsystem:
ptrace support, the rest · Maintainers:
Oleg Nesterov, Linus Torvalds
This adds the forced_successful_syscall_return() macro, a mate to force_successful_syscall_return() to test rather than set the condition. Signed-off-by: Roland McGrath <redacted> --- include/linux/ptrace.h | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index ebe0c17..9272e63 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h@@ -124,8 +124,13 @@ int generic_ptrace_pokedata(struct task_struct *tsk, long addr, long data); * is a no-op and the spurious error condition needs to be filtered out by some * other means (e.g., in user-level, by passing an extra argument to the * syscall handler, or something along those lines). + * + * On architectures that define force_successful_syscall_return(), + * forced_successful_syscall_return() should also be defined. + * It returns nonzero if force_successful_syscall_return() was just used. */ #define force_successful_syscall_return() do { } while (0) +#define forced_successful_syscall_return() 0 #endif /*