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Cleanup file descriptors

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topjohnwu
2017-05-08 03:11:14 +08:00
parent 58849f28a8
commit ea8cd98361
9 changed files with 51 additions and 22 deletions
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11
jni/daemon/log_monitor.c
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@ -8,6 +8,7 @@
#include <stdio.h>
#include <limits.h>
#include <pthread.h>
#include <unistd.h>
#include "magisk.h"
#include "utils.h"
@ -17,18 +18,22 @@ static void *logger_thread(void *args) {
// Setup error handler
err_handler = exit_thread;
char buffer[PATH_MAX];
char *buffer = xmalloc(PATH_MAX);
rename(LOGFILE, LASTLOG);
FILE *logfile = xfopen(LOGFILE, "w");
FILE *logfile = xfdopen(xopen(LOGFILE, O_WRONLY | O_CREAT | O_CLOEXEC | O_TRUNC, 0644), "w");
// Disable buffering
setbuf(logfile, NULL);
// Start logcat
char *const command[] = { "logcat", "-s", "Magisk", "-v", "time", NULL };
int fd;
run_command(&fd, "/system/bin/logcat", command);
while (fdgets(buffer, sizeof(buffer), fd)) {
while (fdgets(buffer, PATH_MAX, fd)) {
fprintf(logfile, "%s", buffer);
}
// Should never be here, but well...
free(buffer);
close(fd);
fclose(logfile);
return NULL;
}