syscall_get_error

Langue: en

Version: May 2009 (fedora - 06/07/09)

Section: 9 (Appels noyau Linux)

NAME

syscall_get_error - check result of traced system call

SYNOPSIS

long syscall_get_error(struct task_struct * task, struct pt_regs * regs);

ARGUMENTS

task

task of interest, must be blocked

regs


task_pt_regs of task

DESCRIPTION

Returns 0 if the system call succeeded, or -ERRORCODE if it failed.

It's only valid to call this when task is stopped for tracing on exit from a system call, due to TIF_SYSCALL_TRACE or TIF_SYSCALL_AUDIT.