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/* |
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/* |
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* The following structure is found at the top of the user stack of each |
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* The following structure is found at the top of the user stack of each |
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* user process. The ps program uses it to locate argv and environment |
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* user process. The kernel uses it to locate environment and long argv |
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* strings. Programs that wish ps to display other information may modify |
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* strings; normally ps_argvstr points to the argv vector, and ps_nargvstr |
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* it; normally ps_argvstr points to the argv vector, and ps_nargvstr |
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* is the same as the program's argc. The fields ps_envstr and ps_nenvstr |
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* is the same as the program's argc. The fields ps_envstr and ps_nenvstr |
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* are the equivalent for the environment. |
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* are the equivalent for the environment. Short argv strings (less than |
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* ps_arg_cache_limit) are read from p_args instead. |
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* |
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* To change ps output, use setproctitle(3). |
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*/ |
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*/ |
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struct ps_strings { |
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struct ps_strings { |
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char **ps_argvstr; /* first of 0 or more argument strings */ |
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char **ps_argvstr; /* first of 0 or more argument strings */ |
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/* |
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/* |
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* Address of ps_strings structure (in user space). |
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* Address of ps_strings structure (in user space). |
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* Prefer the kern.ps_strings or kern.proc.ps_strings sysctls to this constant. |
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*/ |
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*/ |
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#define PS_STRINGS (USRSTACK - sizeof(struct ps_strings)) |
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#define PS_STRINGS (USRSTACK - sizeof(struct ps_strings)) |
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#define SPARE_USRSPACE 4096 |
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#define SPARE_USRSPACE 4096 |