diff options
Diffstat (limited to 'src/xshmfence.c')
| -rw-r--r-- | src/xshmfence.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/xshmfence.c b/src/xshmfence.c index ecf2f4a..ed2b4c4 100644 --- a/src/xshmfence.c +++ b/src/xshmfence.c @@ -97,7 +97,6 @@ xshmfence_reset(struct xshmfence *f) __sync_bool_compare_and_swap(&f->v, 1, 0); } - /** * xshmfence_alloc_shm: * @@ -111,12 +110,19 @@ int xshmfence_alloc_shm(void) { char template[] = SHMDIR "/shmfd-XXXXXX"; - int fd = mkstemp(template); + int fd; +#ifdef O_TMPFILE + fd = open(SHMDIR, O_TMPFILE|O_RDWR|O_CLOEXEC|O_EXCL, 0666); if (fd < 0) +#endif + { + fd = mkstemp(template); + if (fd < 0) return fd; - unlink(template); - ftruncate(fd, sizeof (int32_t)); + unlink(template); + } + ftruncate(fd, sizeof (struct xshmfence)); return fd; } |