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-rw-r--r--linuxthreads/tst-context.c116
1 files changed, 0 insertions, 116 deletions
diff --git a/linuxthreads/tst-context.c b/linuxthreads/tst-context.c
deleted file mode 100644
index 2938a9f..0000000
--- a/linuxthreads/tst-context.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/* Ack, a hack! We need to get the proper definition, or lack thereof,
- for FLOATING_STACKS. But when !IS_IN_libpthread, this can get defined
- incidentally by <tls.h>. So kludge around it. */
-
-#define IS_IN_libpthread
-#include <tls.h>
-#undef IS_IN_libpthread
-#undef USE___THREAD
-
-#include <errno.h>
-#include <error.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <ucontext.h>
-
-
-#define N 4
-
-#ifdef FLOATING_STACKS
-static char stacks[N][8192];
-static ucontext_t ctx[N][2];
-static volatile int failures;
-
-static void
-fct (long int n)
-{
- /* Just to use the thread local descriptor. */
- printf ("%ld: in %s now\n", n, __FUNCTION__);
- errno = 0;
-}
-
-static void *
-threadfct (void *arg)
-{
- int n = (int) (long int) arg;
-
- if (getcontext (&ctx[n][1]) != 0)
- {
- printf ("%d: cannot get context: %m\n", n);
- exit (1);
- }
-
- printf ("%d: %s: before makecontext\n", n, __FUNCTION__);
-
- ctx[n][1].uc_stack.ss_sp = stacks[n];
- ctx[n][1].uc_stack.ss_size = 8192;
- ctx[n][1].uc_link = &ctx[n][0];
- makecontext (&ctx[n][1], (void (*) (void)) fct, 1, (long int) n);
-
- printf ("%d: %s: before swapcontext\n", n, __FUNCTION__);
-
- if (swapcontext (&ctx[n][0], &ctx[n][1]) != 0)
- {
- ++failures;
- printf ("%d: %s: swapcontext failed\n", n, __FUNCTION__);
- }
- else
- printf ("%d: back in %s\n", n, __FUNCTION__);
-
- return NULL;
-}
-#endif
-
-
-#ifdef FLOATING_STACKS
-static volatile int global;
-#endif
-
-int
-main (void)
-{
-#ifndef FLOATING_STACKS
- puts ("not supported");
- return 0;
-#else
- int n;
- pthread_t th[N];
- ucontext_t mctx;
-
- puts ("making contexts");
- if (getcontext (&mctx) != 0)
- {
- if (errno == ENOSYS)
- {
- puts ("context handling not supported");
- exit (0);
- }
-
- printf ("%s: getcontext: %m\n", __FUNCTION__);
- exit (1);
- }
-
- /* Play some tricks with this context. */
- if (++global == 1)
- if (setcontext (&mctx) != 0)
- {
- printf ("%s: setcontext: %m\n", __FUNCTION__);
- exit (1);
- }
- if (global != 2)
- {
- printf ("%s: 'global' not incremented twice\n", __FUNCTION__);
- exit (1);
- }
-
- for (n = 0; n < N; ++n)
- if (pthread_create (&th[n], NULL, threadfct, (void *) (long int) n) != 0)
- error (EXIT_FAILURE, errno, "cannot create all threads");
-
- for (n = 0; n < N; ++n)
- pthread_join (th[n], NULL);
-
- return failures;
-#endif
-}