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42 lines
782 B
42 lines
782 B
4 years ago
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#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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// C program to implement one side of FIFO
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// This side reads first, then writes
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int main()
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{
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int fd1;
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// FIFO file path
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char * myfifo = "/tmp/myfifo";
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// Creating the named file(FIFO)
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// mkfifo(<pathname>,<permission>)
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mkfifo(myfifo, 0666);
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char str1[80], str2[80];
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while (1)
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{
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// First open in read only and read
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fd1 = open(myfifo,O_RDONLY);
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read(fd1, str1, 80);
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// Print the read string and close
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printf("User1: %s\n", str1);
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close(fd1);
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// Now open in write mode and write
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// string taken from user.
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fd1 = open(myfifo,O_WRONLY);
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fgets(str2, 80, stdin);
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write(fd1, str2, strlen(str2)+1);
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close(fd1);
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}
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return 0;
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}
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