https://community.hpe.com/t5/operating-system-hp-ux/a-question-about-system-call-pstat-in-kernel/m-p/4461579#M662195 it uses the user level 2nd parameter which is a pointer to a user space buffer of current process.<BR /><BR />in the kernel, pstat() get a pointer to a kernel space address which points to a structure containing all the 4 parameters.<BR />the 2nd param is the user space buffer address<BR />passed by user space.<BR /> Fri, 17 Jul 2009 06:09:52 GMT Laurent Menase 2009-07-17T06:09:52Z https://community.hpe.com/t5/operating-system-hp-ux/a-question-about-system-call-pstat-in-kernel/m-p/4461578#M662194 In kernel, where is the system call function pstat() get information to return to application layer? Fri, 17 Jul 2009 01:09:36 GMT https://community.hpe.com/t5/operating-system-hp-ux/a-question-about-system-call-pstat-in-kernel/m-p/4461578#M662194 kaijile 2009-07-17T01:09:36Z https://community.hpe.com/t5/operating-system-hp-ux/a-question-about-system-call-pstat-in-kernel/m-p/4461579#M662195 it uses the user level 2nd parameter which is a pointer to a user space buffer of current process.<BR /><BR />in the kernel, pstat() get a pointer to a kernel space address which points to a structure containing all the 4 parameters.<BR />the 2nd param is the user space buffer address<BR />passed by user space.<BR /> Fri, 17 Jul 2009 06:09:52 GMT https://community.hpe.com/t5/operating-system-hp-ux/a-question-about-system-call-pstat-in-kernel/m-p/4461579#M662195 Laurent Menase 2009-07-17T06:09:52Z