18 lines
583 B
C
18 lines
583 B
C
#ifndef _KERNEL_LIBKERN_BITS_SYS_SELECT_H
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#define _KERNEL_LIBKERN_BITS_SYS_SELECT_H
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#include <libkern/types.h>
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#define FD_SETSIZE 32
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struct fd_set {
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uint8_t fds[FD_SETSIZE / 8];
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};
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typedef struct fd_set fd_set_t;
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#define FD_SET(fd, fd_set_ptr) ((fd_set_ptr)->fds[fd / 8] |= (1 << (fd % 8)))
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#define FD_CLR(fd, fd_set_ptr) ((fd_set_ptr)->fds[fd / 8] &= ~(1 << (fd % 8)))
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#define FD_ZERO(fd_set_ptr) (memset((uint8_t*)(fd_set_ptr), 0, sizeof(fd_set_t)))
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#define FD_ISSET(fd, fd_set_ptr) ((fd_set_ptr)->fds[fd / 8] & (1 << (fd % 8)))
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#endif // _KERNEL_LIBKERN_BITS_SYS_SELECT_H
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