Searched refs:dev_zero_fd (Results 1 - 1 of 1) sorted by relevance
| /barrelfish-2018-10-04/lib/dmalloc/ |
| H A D | dmalloc.c | 1642 static int dev_zero_fd = -1; /* Cached file descriptor for /dev/zero. */ variable
1643 #define MMAP_DEFAULT(s) ((dev_zero_fd < 0) ? \
1644 (dev_zero_fd = open("/dev/zero", O_RDWR), \
1645 mmap(0, (s), MMAP_PROT, MMAP_FLAGS, dev_zero_fd, 0)) : \
1646 mmap(0, (s), MMAP_PROT, MMAP_FLAGS, dev_zero_fd, 0))
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