48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
#ifndef _FORTIFY_POLL_H
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#define _FORTIFY_POLL_H
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#include_next <poll.h>
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#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
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#ifdef __cplusplus
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extern "C" {
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#endif
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#undef poll
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extern int __poll_orig(struct pollfd *, nfds_t, int)
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__asm__(__USER_LABEL_PREFIX__ "poll");
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extern __inline __attribute__((__always_inline__,__gnu_inline__,__artificial__))
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int poll(struct pollfd *fds, nfds_t nfds, int timeout)
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{
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__typeof__(sizeof 0) bos = __builtin_object_size(fds, 0);
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if (nfds > bos / sizeof(struct pollfd))
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__builtin_trap();
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return __poll_orig(fds, nfds, timeout);
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}
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#ifdef _GNU_SOURCE
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#undef ppoll
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extern int __ppoll_orig(struct pollfd *, nfds_t, const struct timespec *, const sigset_t *)
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__asm__(__USER_LABEL_PREFIX__ "ppoll");
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extern __inline __attribute__((__always_inline__,__gnu_inline__,__artificial__))
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int ppoll(struct pollfd *fds, nfds_t nfds, const struct timespec *timeout, const sigset_t *mask)
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{
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__typeof__(sizeof 0) bos = __builtin_object_size(fds, 0);
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if (nfds > bos / sizeof(struct pollfd))
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__builtin_trap();
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return __ppoll_orig(fds, nfds, timeout, mask);
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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