search for: lwp_pcb

I would like to know how to get access to errno when using pid provider to probe calls to libc functions like fopen(). The built-in errno appears to be only for system calls. What I''d like to be able to do is investigate where in an application I''m encountering EMFILE and what the stack looks like at the time. This message posted from opensolaris.org

...e ulwp_t and step over the * ul_self pointer. The method used to store the user-land * thread pointer is very different on 32- and 64-bit * kernels. */ [ ... ] #elif defined(__i386) addr = USEGD_GETBASE(&lwp->lwp_pcb.pcb_gsdesc); addr += sizeof (void *); #endif -------------------------------------------------------------------------------- So we''re using pcb_gsdesc, but it doesn''t appear that this is exposed to userland via libproc (unless I''ve missed something.) I...