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Merge pull request #4052 from yann-morin-1998/yem/o-tmpfile

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importd: fix build failure with missing O_TMPFILE (branch yem/o-tmpfile)
This commit is contained in:
Lennart Poettering 2016-08-30 09:47:25 +02:00 committed by GitHub
commit 4a13100c6a
3 changed files with 15 additions and 8 deletions
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5
src/basic/fileio.c
View File

@ -37,6 +37,7 @@
#include "hexdecoct.h"
#include "log.h"
#include "macro.h"
#include "missing.h"
#include "parse-util.h"
#include "path-util.h"
#include "random-util.h"
@ -1280,12 +1281,10 @@ int open_tmpfile_unlinkable(const char *directory, int flags) {
/* Returns an unlinked temporary file that cannot be linked into the file system anymore */
#ifdef O_TMPFILE
/* Try O_TMPFILE first, if it is supported */
fd = open(directory, flags|O_TMPFILE|O_EXCL, S_IRUSR|S_IWUSR);
if (fd >= 0)
return fd;
#endif
/* Fall back to unguessable name + unlinking */
p = strjoina(directory, "/systemd-tmp-XXXXXX");
@ -1313,7 +1312,6 @@ int open_tmpfile_linkable(const char *target, int flags, char **ret_path) {
* which case "ret_path" will be returned as NULL. If not possible a the tempoary path name used is returned in
* "ret_path". Use link_tmpfile() below to rename the result after writing the file in full. */
#ifdef O_TMPFILE
{
_cleanup_free_ char *dn = NULL;
@ -1329,7 +1327,6 @@ int open_tmpfile_linkable(const char *target, int flags, char **ret_path) {
log_debug_errno(errno, "Failed to use O_TMPFILE on %s: %m", dn);
}
#endif
r = tempfn_random(target, NULL, &tmp);
if (r < 0)

17
src/basic/missing.h
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@ -537,12 +537,21 @@ struct btrfs_ioctl_quota_ctl_args {
# define DRM_IOCTL_DROP_MASTER _IO('d', 0x1f)
#endif
#if defined(__i386__) || defined(__x86_64__)
/* The precise definition of __O_TMPFILE is arch specific, so let's
* just define this on x86 where we know the value. */
/* The precise definition of __O_TMPFILE is arch specific; use the
* values defined by the kernel (note: some are hexa, some are octal,
* duplicated as-is from the kernel definitions):
* - alpha, parisc, sparc: each has a specific value;
* - others: they use the "generic" value.
*/
#ifndef __O_TMPFILE
#if defined(__alpha__)
#define __O_TMPFILE 0100000000
#elif defined(__parisc__) || defined(__hppa__)
#define __O_TMPFILE 0400000000
#elif defined(__sparc__) || defined(__sparc64__)
#define __O_TMPFILE 0x2000000
#else
#define __O_TMPFILE 020000000
#endif

1
src/import/export-raw.c
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@ -34,6 +34,7 @@
#include "fd-util.h"
#include "fileio.h"
#include "import-common.h"
#include "missing.h"
#include "ratelimit.h"
#include "string-util.h"
#include "util.h"