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50 lines
877 B
50 lines
877 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 writes first, then reads
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int main()
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{
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int fd;
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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 arr1[80], arr2[80];
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while (1)
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{
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// Open FIFO for write only
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fd = open(myfifo, O_WRONLY);
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// Take an input arr2ing from user.
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// 80 is maximum length
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fgets(arr2, 80, stdin);
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// Write the input arr2ing on FIFO
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// and close it
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write(fd, arr2, strlen(arr2)+1);
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close(fd);
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// Open FIFO for Read only
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fd = open(myfifo, O_RDONLY);
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// Read from FIFO
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read(fd, arr1, sizeof(arr1));
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// Print the read message
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printf("User 2: %s\n", arr1);
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close(fd);
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}
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return 0;
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}
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