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15 .Dt PSETSYSENTRY 3PROC
20 .Nd set system call tracing flags
27 .Fa "struct ps_prochandle *P"
28 .Fa "const sysset_t *set"
32 .Fa "struct ps_prochandle *P"
33 .Fa "const sysset_t *set"
40 set the system call entry and exit tracing flags respectively in the
49 replaces the corresponding set of system call tracing flags entirely
51 The system call entry tracing flags cause a thread to stop on entry to the
52 system call and the exit tracing flags cause a thread to stop on return from the
53 system call, before control returns back to the user land process.
54 For more information on the state of the thread and for information on
60 Note that only active processes may have their system call tracing flags
62 Process handles that refer to core files, zombie processes, and files do not
63 have fault tracing flags and this function is a no-op on them.
64 .Sh INTERFACE STABILITY