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* stdlib/tst-setcontext.c (main): Add a test for setcontext.
This commit is contained in:
Ulrich Drepper
2001-04-07 20:39:34 +00:00
parent 4ee87eccd9
commit 232fdf8cab
3 changed files with 21 additions and 0 deletions
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16
stdlib/tst-setcontext.c
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@@ -71,6 +71,8 @@ f2 (void)
was_in_f2 = 1;
}
volatile int global;
int
main (void)
{
@@ -85,6 +87,20 @@ main (void)
printf ("%s: getcontext: %m\n", __FUNCTION__);
exit (1);
}
/* Play some tricks with this context. */
if (++global == 1)
if (setcontext (&ctx[1]) != 0)
{
printf ("%s: setcontext: %m\n", __FUNCTION__);
exit (1);
}
if (global != 2)
{
printf ("%s: 'global' not incremented twice\n", __FUNCTION__);
exit (1);
}
ctx[1].uc_stack.ss_sp = st1;
ctx[1].uc_stack.ss_size = sizeof st1;
ctx[1].uc_link = &ctx[0];