util/anon_file: add OpenBSD shm_mkstemp() path

memfd_create() is a linux syscall replace the use of it with
shm_mkstemp() on OpenBSD.

unconditionally include stdlib.h for mkstemp()/mkostemp()

Fixes: c0376a1234 ("util: add anon_file.h for all memfd/temp file usage")
Signed-off-by: Jonathan Gray <jsg@jsg.id.au>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5630>
This commit is contained in:
Jonathan Gray 2018-11-01 13:16:13 +11:00 committed by Marge Bot
parent 7eab6845e9
commit 6e9c0661f8

View file

@ -33,16 +33,15 @@
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <stdlib.h>
#ifdef __FreeBSD__
#if defined(__FreeBSD__) || defined(__OpenBSD__)
#include <sys/mman.h>
#elif defined(HAVE_MEMFD_CREATE) || defined(ANDROID)
#include <sys/syscall.h>
#include <linux/memfd.h>
#include <stdlib.h>
#else
#include <stdio.h>
#include <stdlib.h>
#endif
#if !(defined(__FreeBSD__) || defined(HAVE_MEMFD_CREATE) || defined(HAVE_MKOSTEMP) || defined(ANDROID))
@ -119,6 +118,11 @@ os_create_anonymous_file(off_t size, const char *debug_name)
#ifdef __FreeBSD__
(void*)debug_name;
fd = shm_open(SHM_ANON, O_CREAT | O_RDWR | O_CLOEXEC, 0600);
#elif defined(__OpenBSD__)
char template[] = "/tmp/mesa-XXXXXXXXXX";
fd = shm_mkstemp(template);
if (fd != -1)
shm_unlink(template);
#elif defined(HAVE_MEMFD_CREATE) || defined(ANDROID)
if (!debug_name)
debug_name = "mesa-shared";