20 lines
625 B
C
20 lines
625 B
C
/* Convert between a lo24/hi integer-pair bitset and a sigset_t value.
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** These macros are OS-dependent, and must be defined per-OS.
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*/
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#include <sys/param.h>
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#if defined __FreeBSD_version && __FreeBSD_version > 400000
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#define make_sigset(maskp, hi, lo)(*maskp.__bits[0] = ((hi)<<24)|(lo))
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/* Not a procedure: */
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#define split_sigset(mask, hip, lop) \
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((*(hip)=(mask.__bits[0]>>24)&0xff), \
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(*(lop)=(mask.__bits[0]&0xffffff)))
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#else
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#define make_sigset(maskp, hi, lo) (*maskp=((hi)<<24)|(lo))
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/* Not a procedure: */
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#define split_sigset(mask, hip, lop) \
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((*(hip)=(mask>>24)&0xff), \
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(*(lop)=(mask&0xffffff)))
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#endif
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