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cd740e600a
Changes: https://www.mesa3d.org/relnotes/18.3.0.html Changes: https://www.mesa3d.org/relnotes/18.3.1.html Changes: https://www.mesa3d.org/relnotes/18.3.2.html PR: 233034 Tested by: Kevin Oberman Approved by: maintainer timeout (2 weeks after 2019Q1) Differential Revision: https://reviews.freebsd.org/D17872
39 lines
973 B
C
39 lines
973 B
C
- Partially implement memfd_create() via mkostemp()
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--- src/intel/tools/aub_mem.c.orig 2018-11-06 16:16:02 UTC
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+++ src/intel/tools/aub_mem.c
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@@ -30,11 +30,34 @@
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#ifndef HAVE_MEMFD_CREATE
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#include <sys/syscall.h>
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+#include <fcntl.h>
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static inline int
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memfd_create(const char *name, unsigned int flags)
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{
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+#if defined(__linux__)
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return syscall(SYS_memfd_create, name, flags);
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+#elif defined(__FreeBSD__)
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+ return shm_open(SHM_ANON, flags | O_RDWR | O_CREAT, 0600);
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+#else /* DragonFly, NetBSD, OpenBSD, Solaris */
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+ char template[] = "/tmp/shmfd-XXXXXX";
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+#ifdef HAVE_MKOSTEMP
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+ int fd = mkostemp(template, flags);
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+#else
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+ int fd = mkstemp(template);
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+ if (flags & O_CLOEXEC) {
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+ int flags = fcntl(fd, F_GETFD);
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+ if (flags != -1) {
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+ flags |= FD_CLOEXEC;
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+ (void) fcntl(fd, F_SETFD, &flags);
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+ }
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+ }
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+#endif /* HAVE_MKOSTEMP */
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+ if (fd >= 0)
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+ unlink(template);
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+
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+ return fd;
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+#endif /* __linux__ */
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}
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#endif
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