mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-03 23:58:05 +00:00
tools/nolibc: add wrapper for memfd_create
This is useful for users and will also be used by a future testcase. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
parent
fc82d7dbca
commit
e8842cf04e
1 changed files with 23 additions and 0 deletions
|
@ -1365,6 +1365,29 @@ ssize_t write(int fd, const void *buf, size_t count)
|
||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* int memfd_create(const char *name, unsigned int flags);
|
||||||
|
*/
|
||||||
|
|
||||||
|
static __attribute__((unused))
|
||||||
|
int sys_memfd_create(const char *name, unsigned int flags)
|
||||||
|
{
|
||||||
|
return my_syscall2(__NR_memfd_create, name, flags);
|
||||||
|
}
|
||||||
|
|
||||||
|
static __attribute__((unused))
|
||||||
|
int memfd_create(const char *name, unsigned int flags)
|
||||||
|
{
|
||||||
|
ssize_t ret = sys_memfd_create(name, flags);
|
||||||
|
|
||||||
|
if (ret < 0) {
|
||||||
|
SET_ERRNO(-ret);
|
||||||
|
ret = -1;
|
||||||
|
}
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
/* make sure to include all global symbols */
|
/* make sure to include all global symbols */
|
||||||
#include "nolibc.h"
|
#include "nolibc.h"
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue