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zdtm/static: test the offset migration of ELF files

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Signed-off-by: Michal Clapinski <mclapinski@google.com>
This commit is contained in:
Michal Clapinski 2023-10-11 14:27:29 +02:00 committed by Andrei Vagin
parent 29026496d4
commit 41938f14b6
2 changed files with 43 additions and 0 deletions
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1
test/zdtm/static/Makefile
View File

@ -269,6 +269,7 @@ TST_NOFILE := \
sigtrap \
sigtrap01 \
change_mnt_context \
fd_offset \
# jobctl00 \
PKG_CONFIG ?= pkg-config

42
test/zdtm/static/fd_offset.c Normal file
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@ -0,0 +1,42 @@
#include <fcntl.h>
#include "zdtmtst.h"
#include "lock.h"
const char *test_doc = "Check that criu properly restores offsets on ELF files";
const char *test_author = "Michal Clapinski <mclapinski@google.com>";
void check_offset(int fd)
{
int offset = lseek(fd, 0, SEEK_CUR);
if (offset < 0) {
fail("lseek");
exit(1);
}
if (offset != 0) {
fail("wrong offset; expected: 0, got: %d", offset);
exit(1);
}
}
int main(int argc, char **argv)
{
int fd;
test_init(argc, argv);
fd = open("/proc/self/exe", O_RDONLY);
if (fd < 0) {
fail("open");
exit(1);
}
check_offset(fd);
test_daemon();
test_waitsig();
check_offset(fd);
pass();
return 0;
}