xixu-me
b792642ee2
Renamed and moved files into categorized directories for better organization. Categories include Shell-Programming, File-IO, Process-Control, and Signal-and-Piping.
45 lines
851 B
C
45 lines
851 B
C
#include <stdio.h>
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#include <stdlib.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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#include <string.h>
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#include <errno.h>
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#define FIFO_PATH "/tmp/collector_fifo"
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int main() {
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int fd;
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int num;
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// Create the FIFO if it doesn't exist
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if (mkfifo(FIFO_PATH, 0666) == -1 && errno != EEXIST) {
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perror("mkfifo error");
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exit(EXIT_FAILURE);
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}
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printf("Collector started. Connecting to calculator...\n");
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// Open FIFO for writing
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fd = open(FIFO_PATH, O_WRONLY);
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if (fd == -1) {
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perror("Failed to open FIFO");
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exit(EXIT_FAILURE);
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}
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printf("Connected! Enter integers (Ctrl+D to exit):\n");
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while (scanf("%d", &num) == 1) {
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if (write(fd, &num, sizeof(int)) == -1) {
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perror("Write error");
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break;
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}
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printf("Sent: %d\n", num);
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}
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close(fd);
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printf("Collector exiting.\n");
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return 0;
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} |