diff options
Diffstat (limited to 'include/asm-generic/syscall.h')
| -rw-r--r-- | include/asm-generic/syscall.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-generic/syscall.h b/include/asm-generic/syscall.h index 292b412f4e9a..c5a3ad53beec 100644 --- a/include/asm-generic/syscall.h +++ b/include/asm-generic/syscall.h @@ -38,6 +38,20 @@ struct pt_regs; int syscall_get_nr(struct task_struct *task, struct pt_regs *regs); /** + * syscall_set_nr - change the system call a task is executing + * @task: task of interest, must be blocked + * @regs: task_pt_regs() of @task + * @nr: system call number + * + * Changes the system call number @task is about to execute. + * + * It's only valid to call this when @task is stopped for tracing on + * entry to a system call, due to %SYSCALL_WORK_SYSCALL_TRACE or + * %SYSCALL_WORK_SYSCALL_AUDIT. + */ +void syscall_set_nr(struct task_struct *task, struct pt_regs *regs, int nr); + +/** * syscall_rollback - roll back registers after an aborted system call * @task: task of interest, must be in system call exit tracing * @regs: task_pt_regs() of @task |