56 lines
954 B
C
56 lines
954 B
C
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#include <aio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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__thread int x[4096];
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struct aiocb * do_aio_write(int fd, char *buf, int len, int offset)
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{
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struct aiocb *op = calloc(1, sizeof(struct aiocb));
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if (!op) {
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printf("Could not allocate memory\n");
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exit(1);
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}
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op->aio_fildes = fd;
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op->aio_buf = buf;
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op->aio_nbytes = len;
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op->aio_offset = offset;
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if (aio_write(op) == -1)
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printf("aio_write() err\n");
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else
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printf("aio_write() success\n");
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return op;
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}
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int main()
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{
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char buf1[] = "Hello World\n";
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char buf2[] = "Goodbye World\n";
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int fd;
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struct aiocb *op1, *op2;
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fd = open("foo.txt", O_CREAT | O_WRONLY | O_TRUNC);
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if (fd == -1) {
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perror("open");
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exit(1);
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}
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op1 = do_aio_write(fd, buf1, strlen(buf1), 0);
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op2 = do_aio_write(fd, buf2, strlen(buf2), strlen(buf1));
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close(fd);
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return 0;
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}
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