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tracehook_report_syscall_exit
Langue: en
Version: May 2009 (fedora - 06/07/09)
Section: 9 (Appels noyau Linux)
Sommaire
NAME
tracehook_report_syscall_exit - task has just finished a system callSYNOPSIS
- 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.
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