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Searched refs:dev_zero_fd (Results 1 – 4 of 4) sorted by relevance

/freebsd-12.1/sys/contrib/octeon-sdk/cvmx-malloc/
H A Dmalloc.c1621 static int dev_zero_fd = -1; /* Cached file descriptor for /dev/zero. */ variable
1623 #define MMAP(addr, size, prot, flags) ((dev_zero_fd < 0) ? \
1624 (dev_zero_fd = open("/dev/zero", O_RDWR), \
1625 mmap((addr), (size), (prot), (flags), dev_zero_fd, 0)) : \
1626 mmap((addr), (size), (prot), (flags), dev_zero_fd, 0))
/freebsd-12.1/contrib/gcc/
H A Dggc-page.c382 int dev_zero_fd; member
677 MAP_PRIVATE, G.dev_zero_fd, 0); in alloc_anon()
1469 G.dev_zero_fd = open ("/dev/zero", O_RDONLY); in init_ggc()
1470 if (G.dev_zero_fd == -1) in init_ggc()
H A Dggc-zone.c367 int dev_zero_fd; member
776 MAP_PRIVATE, G.dev_zero_fd, 0); in alloc_anon()
1513 G.dev_zero_fd = open ("/dev/zero", O_RDONLY); in init_ggc()
1514 gcc_assert (G.dev_zero_fd != -1); in init_ggc()
H A DChangeLog-19995434 (struct globals): Likewise for dev_zero_fd.