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sysdeps/mach/munmap.c
47 строк
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Copyright (C) 1994-2026 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #include <sys/types.h> #include <sys/mman.h> #include <errno.h> #include <mach.h> /* Deallocate any mapping for the region starting at ADDR and extending LEN bytes. Returns 0 if successful, -1 for errors (and sets errno). */ int __munmap (void *addr, size_t len) { kern_return_t err; if (addr == 0) { errno = EINVAL; return -1; } if (err = __vm_deallocate (__mach_task_self (), (vm_address_t) addr, (vm_size_t) len)) { errno = err; return -1; } return 0; } libc_hidden_def (__munmap) weak_alias (__munmap, munmap)