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Diffstat (limited to 'static/openbsd/man3/pthread_stackseg_np.3')
| -rw-r--r-- | static/openbsd/man3/pthread_stackseg_np.3 | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/static/openbsd/man3/pthread_stackseg_np.3 b/static/openbsd/man3/pthread_stackseg_np.3 new file mode 100644 index 00000000..cbdf51de --- /dev/null +++ b/static/openbsd/man3/pthread_stackseg_np.3 @@ -0,0 +1,50 @@ +.\" $OpenBSD: pthread_stackseg_np.3,v 1.8 2025/06/07 00:16:52 schwarze Exp $ +.\" +.\" PUBLIC DOMAIN: No Rights Reserved. Marco S Hyman <marc@snafu.org> +.\" +.Dd $Mdocdate: June 7 2025 $ +.Dt PTHREAD_STACKSEG_NP 3 +.Os +.Sh NAME +.Nm pthread_stackseg_np +.Nd return stack size and location +.Sh SYNOPSIS +.Lb libpthread +.In pthread_np.h +.Ft int +.Fn pthread_stackseg_np "pthread_t thread" "stack_t *sinfo" +.Sh DESCRIPTION +The +.Fn pthread_stackseg_np +function returns information about the given thread's stack. +A +.Fa stack_t +is the same as a +.Fa struct sigaltstack +(see +.Xr sigaltstack 2 ) +except the +.Fa ss_sp +variable points to the top of the stack instead of the base. +.Sh RETURN VALUES +If successful, the +.Fn pthread_stackseg_np +function will return 0. +Otherwise an error number will be returned to indicate the error. +.Sh ERRORS +The +.Fn pthread_stackseg_np +function will fail if: +.Bl -tag -width Er +.It Bq Er 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. +.El +.Sh SEE ALSO +.Xr sigaltstack 2 , +.Xr pthreads 3 +.Sh STANDARDS +.Fn pthread_stackseg_np +is a non-portable extension to +.St -p1003.1-2001 . |