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65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
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* Those constants were found both in glibc and in the Linux kernel.
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* They are provided here because the epoll() syscall is featured in
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* some kernels but in not often included in the glibc, so it needs
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* just a basic definition.
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*/
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#include <linux/unistd.h>
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/* epoll_ctl() commands */
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#define EPOLL_CTL_ADD 1
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#define EPOLL_CTL_DEL 2
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#define EPOLL_CTL_MOD 3
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/* events types (bit fields) */
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#define EPOLLIN 1
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#define EPOLLPRI 2
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#define EPOLLOUT 4
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#define EPOLLERR 8
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#define EPOLLHUP 16
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#define EPOLLONESHOT (1 << 30)
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#define EPOLLET (1 << 31)
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struct epoll_event {
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uint32_t events;
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union {
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void *ptr;
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int fd;
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uint32_t u32;
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uint64_t u64;
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} data;
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};
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#if defined(__powerpc__) || defined(__powerpc64__)
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#define __NR_epoll_create 236
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#define __NR_epoll_ctl 237
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#define __NR_epoll_wait 238
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#elif defined(__sparc__) || defined(__sparc64__)
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#define __NR_epoll_create 193
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#define __NR_epoll_ctl 194
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#define __NR_epoll_wait 195
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#elif defined(__x86_64__)
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#define __NR_epoll_create 213
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#define __NR_epoll_ctl 214
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#define __NR_epoll_wait 215
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#elif defined(__alpha__)
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#define __NR_sys_epoll_create 407
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#define __NR_sys_epoll_ctl 408
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#define __NR_sys_epoll_wait 409
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#elif defined (__i386__)
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#define __NR_epoll_create 254
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#define __NR_epoll_ctl 255
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#define __NR_epoll_wait 256
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#else
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#warning unsupported architecture, guessing __NR_epoll_create=254 like x86...
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#define __NR_epoll_create 254
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#define __NR_epoll_ctl 255
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#define __NR_epoll_wait 256
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#endif
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_syscall1 (int, epoll_create, int, size);
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_syscall4 (int, epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event *, event);
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_syscall4 (int, epoll_wait, int, epfd, struct epoll_event *, events, int, maxevents, int, timeout);
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