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Use the right function for the kernel-side logging.

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Enrico Fraccaroli (Galfurian)
2023-03-21 09:20:55 -04:00
parent 40fac6e194
commit 25c8a1049b
1 changed files with 27 additions and 24 deletions
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mentos/src/process/feedbackScheduler.c
+27 -24
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@@ -4,37 +4,40 @@
#include "fcntl.h"
#include "stdio.h"
#include "fs/vfs.h"
/// Size of the buffer.
#define BUFFER_SIZE 256
int writeFeedback()
{
mode_t mode = 000777;
char buffer[100 + 1];
const char* name = "feedback.txt";
mode_t mode = 000777;
char buffer[BUFFER_SIZE];
const char *name = "feedback.txt";
int fptr = 0;
//fptr = sys_open("/../../../files/home/feedback.txt", O_WRONLY | O_CREAT | O_TRUNC , mode);
//fptr = sys_open("/../../../files/home/feedback.txt", O_RDONLY | O_CREAT | O_EXCL , mode);
//fptr = sys_open("/../../../files/home/feedback.txt", O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
fptr = sys_open(name, O_CREAT | O_WRONLY , S_IRUSR | S_IWUSR);
// NOTE: You should check if the file exists, or create it, during the boot
// phase of the system. Choose a place where to put it, a location like
// `/var/scheduling_feedback.txt`.
vfs_file_t *file = vfs_open(name, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR);
if(fptr == -1){
printf("suca");
return 0;
}
if (file == NULL) {
printf("Error: Failed to open feedback file.");
return 0;
}
// Reading up to MAX_READ bytes from STDIN.
ssize_t numRead = sys_read(fptr, buffer, 100);
// NOTE: You need also to save the offset where you are reading or writing
// the file. You are not using the simplified read() or write(), this one is
// a kernel-side function.
ssize_t numRead, offset = 0;
buffer[numRead] = '\0';
printf("Input data: %s\n", buffer);
// Reading up to MAX_READ bytes from STDIN.
numRead = vfs_read(file, buffer, offset, BUFFER_SIZE);
buffer[numRead] = '\0';
printf("Input data: %s\n", buffer);
//write to file
//sys_write(fptr,"ciao",4);
//printf("suca"); //questo va
sys_close(fptr); //il problema è qui, se chiudiamo il file non arriviamo al login, se non chiudiamo il file invece proviamo a fare login ma non riusciamo perchè non riesce ad aprire passwd
return 1;
//write to file
//vfs_write(file,"ciao",4);
//printf("suca"); //questo va
vfs_close(file); //il problema è qui, se chiudiamo il file non arriviamo al login, se non chiudiamo il file invece proviamo a fare login ma non riusciamo perchè non riesce ad aprire passwd
return 1;
}