Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Eric B Munson |
130 |
54.62% |
1 |
16.67% |
| Simon Guo |
81 |
34.03% |
2 |
33.33% |
| Brendan Jackman |
20 |
8.40% |
1 |
16.67% |
| Muhammad Usama Anjum |
6 |
2.52% |
1 |
16.67% |
| Greg Kroah-Hartman |
1 |
0.42% |
1 |
16.67% |
| Total |
238 |
|
6 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#include <syscall.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
static int mlock2_(void *start, size_t len, int flags)
{
int ret = syscall(__NR_mlock2, start, len, flags);
if (ret) {
errno = ret;
return -1;
}
return 0;
}
static FILE *seek_to_smaps_entry(unsigned long addr)
{
FILE *file;
char *line = NULL;
size_t size = 0;
unsigned long start, end;
char perms[5];
unsigned long offset;
char dev[32];
unsigned long inode;
char path[BUFSIZ];
file = fopen("/proc/self/smaps", "r");
if (!file)
ksft_exit_fail_msg("fopen smaps: %s\n", strerror(errno));
while (getline(&line, &size, file) > 0) {
if (sscanf(line, "%lx-%lx %s %lx %s %lu %s\n",
&start, &end, perms, &offset, dev, &inode, path) < 6)
goto next;
if (start <= addr && addr < end)
goto out;
next:
free(line);
line = NULL;
size = 0;
}
fclose(file);
file = NULL;
out:
free(line);
return file;
}