31 lines
645 B
C
31 lines
645 B
C
#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#define IOCTL_GET_TEMP _IOR('t', 1, int)
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int main() {
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int fd, temp;
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fd = open("/dev/temp_monitor", O_RDWR);
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if (fd < 0) {
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perror("Failed to open the device");
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return -1;
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}
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if (ioctl(fd, IOCTL_GET_TEMP, &temp) == -1) {
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perror("Failed to get temperature");
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close(fd);
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return -1;
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}
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if (temp == 0) {
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printf("Couldn't determine current temperature. Are you in a virtual machine?\n");
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} else {
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printf("Current temperature: %d°C\n", temp);
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}
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close(fd);
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return 0;
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}
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