Name
syscall_get_return_value —
get the return value of a traced system call
Synopsis
long syscall_get_return_value ( | struct task_struct * task, |
| | struct pt_regs * regs); |
Arguments
task
task of interest, must be blocked
regs
task_pt_regs of task
Description
Returns the return value of the successful system call.
This value is meaningless if syscall_get_error returned nonzero.
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.