mirror of
https://github.com/checkpoint-restore/criu
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cb648fb934
pr_perror uses errno, which is set by glibc wrappers. In pi return codes of syscalls should be printed Signed-off-by: Andrey Vagin <avagin@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
41 lines
689 B
C
41 lines
689 B
C
#include <sys/socket.h>
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#include <sys/un.h>
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#include <sys/mount.h>
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#include <errno.h>
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#include "compiler.h"
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#include "asm/string.h"
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#include "asm/types.h"
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#include "syscall.h"
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#include "log.h"
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#include "util-pie.h"
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int open_detach_mount(char *dir)
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{
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int fd, ret;
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fd = sys_open(dir, O_RDONLY | O_DIRECTORY, 0);
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if (fd < 0)
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pr_err("Can't open directory %s: %d\n", dir, fd);
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ret = sys_umount2(dir, MNT_DETACH);
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if (ret) {
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pr_perror("Can't detach mount %s: %d\n", dir, ret);
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goto err_close;
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}
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ret = sys_rmdir(dir);
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if (ret) {
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pr_perror("Can't remove tmp dir %s: %d\n", dir, ret);
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goto err_close;
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}
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return fd;
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err_close:
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if (fd >= 0)
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sys_close(fd);
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return -1;
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}
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