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.