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Wayland: use SHM_ANON on FreeBSD

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This works like memfd on Linux.
This commit is contained in:
Greg V 2018-12-22 16:10:06 +03:00 committed by Emmanuel Gil Peyrot
parent 1d95acdf56
commit 36ce73bbfd
1 changed files with 8 additions and 0 deletions
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8
src/wl_window.c
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@ -156,6 +156,9 @@ static int createAnonymousFile(off_t size)
fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK | F_SEAL_SEAL); fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK | F_SEAL_SEAL);
} }
else else
#elif defined(SHM_ANON)
fd = shm_open(SHM_ANON, O_RDWR | O_CLOEXEC, 0600);
if (fd < 0)
#endif #endif
{ {
path = getenv("XDG_RUNTIME_DIR"); path = getenv("XDG_RUNTIME_DIR");
@ -175,7 +178,12 @@ static int createAnonymousFile(off_t size)
return -1; return -1;
} }
#if defined(SHM_ANON)
// posix_fallocate does not work on SHM descriptors
ret = ftruncate(fd, size);
#else
ret = posix_fallocate(fd, 0, size); ret = posix_fallocate(fd, 0, size);
#endif
if (ret != 0) if (ret != 0)
{ {
close(fd); close(fd);