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authorThorsten Leemhuis <fedora@leemhuis.info>2021-03-07 13:25:32 +0100
committerThorsten Leemhuis <fedora@leemhuis.info>2021-03-07 13:32:55 +0100
commitfb72952d5b63e40f63bfa1e3a5bce2262c424197 (patch)
treed1a9bf30437653b57b398fd3b4f3fb4897ca29cd /tests/memory/memfd_create/t_memfd_create.c
parentb9488a288ec844af97a516ac9ffe441221f6e67d (diff)
parent3422e04a2e31dba3e17af206f160d4fc409f4250 (diff)
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:merge origin/stabilization and update to 5.10.4kernel-5.11.4-125.vanilla.1.fc33kernel-5.11.4-125.vanilla.1.fc32
Diffstat (limited to 'tests/memory/memfd_create/t_memfd_create.c')
-rw-r--r--tests/memory/memfd_create/t_memfd_create.c106
1 files changed, 0 insertions, 106 deletions
diff --git a/tests/memory/memfd_create/t_memfd_create.c b/tests/memory/memfd_create/t_memfd_create.c
deleted file mode 100644
index 4250d7174..000000000
--- a/tests/memory/memfd_create/t_memfd_create.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Copyright (c) 2016 Red Hat, Inc.
- *
- * This program is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE. See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see http://www.gnu.org/licenses/.
- *
- */
-
-#define _GNU_SOURCE
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/syscall.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-
-#define errExit(msg) do { perror(msg); exit(EXIT_FAILURE); \
-} while (0)
-
-int main(int argc, char *argv[])
-{
- int fd;
- unsigned int seals;
- char *addr;
- char *name, *seals_arg;
- ssize_t len;
- char* message = "this is a test message for memfd\n";
-
- if (argc < 3) {
- fprintf(stderr, "%s name size [seals]\n", argv[0]);
- fprintf(stderr, "\t'seals' can contain any of the "
- "following characters:\n");
- fprintf(stderr, "\t\tg - F_SEAL_GROW\n");
- fprintf(stderr, "\t\ts - F_SEAL_SHRINK\n");
- fprintf(stderr, "\t\tw - F_SEAL_WRITE\n");
- fprintf(stderr, "\t\tS - F_SEAL_SEAL\n");
- exit(EXIT_FAILURE);
- }
-
- name = argv[1];
- len = atoi(argv[2]);
- seals_arg = argv[3];
-
- /* Create an anonymous file in tmpfs; allow seals to be
- placed on the file */
-
- fd = syscall(SYS_memfd_create, name, MFD_ALLOW_SEALING);
- if (fd == -1)
- errExit("memfd_create");
-
- /* Size the file as specified on the command line */
-
- if (ftruncate(fd, len) == -1)
- errExit("truncate");
-
- if (write(fd, message, strlen(message)) <= 0)
- errExit("write");
-
- /* Code to map the file and populate the mapping with data
- omitted */
-
- /* If a 'seals' command-line argument was supplied, set some
- seals on the file */
-
- if (seals_arg != NULL) {
- seals = 0;
-
- if (strchr(seals_arg, 'g') != NULL)
- seals |= F_SEAL_GROW;
- if (strchr(seals_arg, 's') != NULL)
- seals |= F_SEAL_SHRINK;
- if (strchr(seals_arg, 'w') != NULL)
- seals |= F_SEAL_WRITE;
- if (strchr(seals_arg, 'S') != NULL)
- seals |= F_SEAL_SEAL;
-
- if (fcntl(fd, F_ADD_SEALS, seals) == -1)
- errExit("fcntl");
- }
-
- /* Output the pathname of (a symbolic link to) the file
- created by memfd_create() */
-
- printf("/proc/%ld/fd/%d\n", (long) getpid(), fd);
-
- fflush(stdout);
-
- /* Keep running, so that the file created by memfd_create()
- continues to exist */
-
- pause();
-
- exit(EXIT_SUCCESS);
-}
-