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https://github.com/checkpoint-restore/criu.git
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6dd3e4e39d
CRIU doesn't handle correctly pipes with sizes which are bigger than a default one. Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
54 lines
961 B
C
54 lines
961 B
C
#include <fcntl.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include "zdtmtst.h"
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const char *test_doc = "Check that pipes with a non-default size can be c/r-ed";
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const char *test_author = "Andrei Vagin <avagin@gmail.com>";
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#define DATA_SIZE (1 << 20)
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#define BUF_SIZE (4096)
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int main(int argc, char **argv)
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{
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int p[2], i;
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uint8_t buf[BUF_SIZE];
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uint32_t crc;
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test_init(argc, argv);
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if (pipe2(p, O_NONBLOCK)) {
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pr_perror("pipe");
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return 1;
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}
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if (fcntl(p[1], F_SETPIPE_SZ, DATA_SIZE) == -1) {
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pr_perror("Unable to change a pipe size");
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return 1;
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}
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crc = ~0;
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datagen(buf, BUF_SIZE, &crc);
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for (i = 0; i < DATA_SIZE / BUF_SIZE; i++) {
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if (write(p[1], buf, BUF_SIZE) != BUF_SIZE) {
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pr_perror("write");
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return 1;
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}
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}
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test_daemon();
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test_waitsig();
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for (i = 0; i < DATA_SIZE / BUF_SIZE; i++) {
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if (read(p[0], buf, BUF_SIZE) != BUF_SIZE) {
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pr_perror("read");
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return 1;
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}
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}
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pass();
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return 0;
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}
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