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68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
/* BZ 12420 */
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#include <errno.h>
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#include <fenv.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ucontext.h>
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static int
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do_test (void)
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{
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if (FE_ALL_EXCEPT == 0)
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{
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printf("Skipping test; no support for FP exceptions.\n");
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return 0;
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}
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int except_mask = 0;
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#ifdef FE_DIVBYZERO
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except_mask |= FE_DIVBYZERO;
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#endif
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#ifdef FE_INVALID
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except_mask |= FE_INVALID;
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#endif
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#ifdef FE_OVERFLOW
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except_mask |= FE_OVERFLOW;
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#endif
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#ifdef FE_UNDERFLOW
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except_mask |= FE_UNDERFLOW;
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#endif
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int status = feenableexcept (except_mask);
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except_mask = fegetexcept ();
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if (except_mask == -1)
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{
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printf("\nBefore getcontext(): fegetexcept returned: %d\n",
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except_mask);
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return 1;
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}
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ucontext_t ctx;
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status = getcontext(&ctx);
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if (status)
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{
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printf("\ngetcontext failed, errno: %d.\n", errno);
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return 1;
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}
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printf ("\nDone with getcontext()!\n");
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fflush (NULL);
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int mask = fegetexcept ();
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if (mask != except_mask)
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{
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printf("\nAfter getcontext(): fegetexcept returned: %d, expected: %d.\n",
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mask, except_mask);
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return 1;
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}
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printf("\nAt end fegetexcept() returned %d, expected: %d.\n",
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mask, except_mask);
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return 0;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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