46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
#include "tests.h"
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#include <asm/unistd.h>
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#ifdef __NR_epoll_ctl
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# include <inttypes.h>
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# include <stdio.h>
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# include <sys/epoll.h>
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# include <unistd.h>
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static long
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invoke_syscall(unsigned long epfd, unsigned long op, unsigned long fd, void *ev)
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{
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return syscall(__NR_epoll_ctl, epfd, F8ILL_KULONG_MASK | op,
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fd, (unsigned long) ev);
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}
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int
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main(void)
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{
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TAIL_ALLOC_OBJECT_CONST_PTR(struct epoll_event, ev);
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ev->events = EPOLLIN;
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long rc = invoke_syscall(-1U, EPOLL_CTL_ADD, -2U, ev);
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printf("epoll_ctl(-1, EPOLL_CTL_ADD, -2, {EPOLLIN,"
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" {u32=%u, u64=%" PRIu64 "}}) = %ld %s (%m)\n",
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ev->data.u32, ev->data.u64, rc, errno2name());
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rc = invoke_syscall(-3U, EPOLL_CTL_DEL, -4U, ev);
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printf("epoll_ctl(-3, EPOLL_CTL_DEL, -4, %p) = %ld %s (%m)\n",
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ev, rc, errno2name());
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rc = invoke_syscall(-1UL, EPOLL_CTL_MOD, -16UL, 0);
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printf("epoll_ctl(-1, EPOLL_CTL_MOD, -16, NULL) = %ld %s (%m)\n",
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rc, errno2name());
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_epoll_ctl")
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#endif
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