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TRACEHOOK_REPORT_SYS(9)	       Kernel Internals	       TRACEHOOK_REPORT_SYS(9)

NAME
       tracehook_report_syscall_exit - task has just finished a system call

SYNOPSIS
       void tracehook_report_syscall_exit(struct pt_regs * regs, int step);

ARGUMENTS
       regs
	   user register state of current task

       step
	   nonzero if simulating single-step or block-step

DESCRIPTION
       This will be called if TIF_SYSCALL_TRACE has been set, when the current
       task has just finished an attempted system call. Full user register
       state is available here. It is safe to block here, preventing signals
       from being processed.

       If step is nonzero, this report is also in lieu of the normal trap that
       would follow the system call instruction because user_enable_block_step
       or user_enable_single_step was used. In this case, TIF_SYSCALL_TRACE
       might not be set.

       Called without locks, just before checking for pending signals.

Kernel Hackers Manual 2.6.	 November 2013	       TRACEHOOK_REPORT_SYS(9)

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