pthread_stackseg_np man page on OpenBSD

pthread_stackseg_np man page on OpenBSD

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PTHREAD_STACKSEG_NP(3)	  OpenBSD Programmer's Manual	PTHREAD_STACKSEG_NP(3)

NAME
     pthread_stackseg_np - return stack size and location

SYNOPSIS
     #include <sys/signal.h>
     #include <pthread_np.h>

     int
     pthread_stackseg_np(pthread_t thread, stack_t *sinfo);

DESCRIPTION
     The pthread_stackseg_np() function returns information about the given
     thread's stack.  A stack_t is the same as a struct sigaltstack (see
     sigaltstack(2)) except the ss_sp variable points to the top of the stack
     instead of the base.

RETURN VALUES
     If successful, the pthread_stackseg_np() function will return 0.
     Otherwise an error number will be returned to indicate the error.

ERRORS
     The pthread_stackseg_np() function will fail if:

     [EAGAIN]	   Stack information for the given thread is not currently
		   available.  There is no guarantee that the given thread's
		   stack information will ever become available.

SEE ALSO
     sigaltstack(2), pthreads(3)

STANDARDS
     pthread_stackseg_np() is a non-portable extension to IEEE Std 1003.1-2001
     (``POSIX'').

OpenBSD 4.9			 May 31, 2007			   OpenBSD 4.9

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