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/third_party/python/Lib/test/
H A Dtest_mmap.py16 # Skip test if we can't import mmap.
17 mmap = import_module('mmap') variable
19 PAGESIZE = mmap.PAGESIZE
26 # Python's mmap module dup()s the file descriptor. Emscripten's FS layer
27 # does not materialize file changes through a dupped fd to a new mmap.
29 raise unittest.SkipTest("incompatible with Emscripten's mmap emulation.")
45 # Test mmap module on Unix systems and Windows
47 # Create a file to be mmap'ed.
55 m = mmap
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H A Dwin_console_handler.py14 import mmap namespace
44 m = mmap.mmap(-1, 1, sys.argv[1])
/third_party/ltp/testcases/kernel/device-drivers/agp/kernel_space/
H A Dstr_agp.h153 #define OUTREG64(mmap, addr, val) __raw_writeq((val), (mmap)+(addr))
154 #define OUTREG32(mmap, addr, val) __raw_writel((val), (mmap)+(addr))
155 #define OUTREG16(mmap, addr, val) __raw_writew((val), (mmap)+(addr))
156 #define OUTREG8(mmap, addr, val) __raw_writeb((val), (mmap)+(addr))
158 #define INREG64(mmap, addr) __raw_readq((mmap)
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/third_party/rust/crates/rustix/src/mm/
H A Dmod.rs5 mod mmap; modules
12 pub use mmap::{
13 mlock, mmap, mmap_anonymous, mprotect, munlock, munmap, MapFlags, MprotectFlags, ProtFlags,
16 pub use mmap::{mlock_with, MlockFlags};
18 pub use mmap::{mremap, mremap_fixed, MremapFlags};
/third_party/ltp/testcases/kernel/mem/hugetlb/hugemmap/
H A Dhugemmap18.c10 * Just as normal mmap()s can't have an address, length or offset which
11 * is not page aligned, so hugepage mmap()s can't have an address, length
14 * However, from time to time when the various mmap() /
20 * However starting with 3.10-rc1, length passed in mmap() doesn't need
46 p = mmap(NULL, hpage_size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0); in run_test()
48 tst_res(TFAIL|TERRNO, "mmap() without hint failed"); in run_test()
52 tst_res(TFAIL, "mmap() without hint at misaligned address"); in run_test()
61 q = mmap(p + page_size, hpage_size, PROT_READ|PROT_WRITE, in run_test()
65 tst_res(TFAIL|TERRNO, "mmap() with hint failed"); in run_test()
69 tst_res(TFAIL, "mmap() wit in run_test()
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/third_party/ltp/testcases/kernel/controllers/cpuset/cpuset_memory_test/
H A Dcpuset_memory_testset.sh73 cpuset_memory_test --mmap-anon >"$MEMORY_RESULT" &
90 cpuset_memory_test --mmap-file >"$MEMORY_RESULT" &
124 cpuset_memory_test --mmap-lock1 >"$MEMORY_RESULT" &
141 cpuset_memory_test --mmap-lock2 >"$MEMORY_RESULT" &
184 cpuset_memory_test --mmap-file --hugepage -s $HUGEPAGESIZE >"$MEMORY_RESULT" &
250 cpuset_memory_test --mmap-anon >"$MEMORY_RESULT" &
267 cpuset_memory_test --mmap-anon >"$MEMORY_RESULT" &
310 cpuset_memory_test --mmap-anon --check >"$MEMORY_RESULT" &
355 cpuset_memory_test --mmap-anon --check >"$MEMORY_RESULT" &
407 cpuset_memory_test --mmap
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/third_party/musl/libc-test/src/functionalext/supplement/mman/mman_gtest/
H A Dmman_mmap_test.cpp22 g_path = "mmap.txt"; in CreateFileAndWrite()
41 * @tc.desc: This test verifies whether anonymous mapping can be successfully created using the mmap function and checks
48 void* mapping = mmap(nullptr, SIZE, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0); in HWTEST_F()
56 * @tc.desc: This test verifies that when using the mmap function, when the file size is 0, the returned mapping address
63 int fd = open("mmap.txt", O_RDWR | O_CREAT, 0777); in HWTEST_F()
64 void* mmapping = mmap(nullptr, 0, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); in HWTEST_F()
72 * mmap function will return MAP_FAILED.
78 int fd = open("mmap.txt", O_RDWR | O_CREAT, 0777); in HWTEST_F()
79 void* mmapping = mmap(nullptr, static_cast<size_t>(PTRDIFF_MAX) + 1, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); in HWTEST_F()
87 * using the mmap functio
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/third_party/musl/porting/linux/user/src/hook/
H A Dmusl_preinit_common.c21 .mmap = MuslMalloc(mmap),
33 .mmap = MuslMalloc(mmap),
/third_party/musl/src/hook/linux/
H A Dmusl_preinit_common.c36 .mmap = MuslMalloc(mmap),
48 .mmap = MuslMalloc(mmap),
/third_party/skia/third_party/icu/
H A Dmake_data_cpp.py18 import mmap namespace
24 mm = mmap.mmap(f.fileno(), 0, access=mmap.ACCESS_READ)
/third_party/python/Lib/multiprocessing/
H A Dheap.py2 # Module which supports allocation of memory from an mmap
12 import mmap namespace
24 # Inheritable class which wraps an mmap, and from which blocks can be allocated
42 buf = mmap.mmap(-1, size, tagname=name)
45 # We have reopened a preexisting mmap.
48 raise FileExistsError('Cannot find name for new mmap')
59 # Reopen existing mmap
60 self.buffer = mmap.mmap(
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/third_party/ltp/testcases/kernel/mce-test/hwpoison/
H A Dtsimpleinj.c90 page = mmap(NULL, PS, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_POPULATE, 0, 0); in main()
93 page = mmap(NULL, PS, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_LOCKED, 0, 0); in main()
98 page = mmap(NULL, PS, PROT_READ, MAP_SHARED|MAP_POPULATE, fd, 0); in main()
99 if (page == (char *)-1) err("mmap"); in main()
110 page = mmap(NULL, PS, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); in main()
111 if (page == (char*)-1) err("mmap"); in main()
122 page = mmap(NULL, PS, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); in main()
123 if (page == (char*)-1) err("mmap"); in main()
142 page = mmap(NULL, PS*NPAGES, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); in main()
143 if (page == (char*)-1) err("mmap"); in main()
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/third_party/ltp/testcases/kernel/mce-test/tsrc/
H A Dtsimpleinj.c90 page = mmap(NULL, PS, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_POPULATE, 0, 0); in main()
93 page = mmap(NULL, PS, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_LOCKED, 0, 0); in main()
98 page = mmap(NULL, PS, PROT_READ, MAP_SHARED|MAP_POPULATE, fd, 0); in main()
99 if (page == (char *)-1) err("mmap"); in main()
110 page = mmap(NULL, PS, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); in main()
111 if (page == (char*)-1) err("mmap"); in main()
122 page = mmap(NULL, PS, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); in main()
123 if (page == (char*)-1) err("mmap"); in main()
142 page = mmap(NULL, PS*NPAGES, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); in main()
143 if (page == (char*)-1) err("mmap"); in main()
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/third_party/musl/Benchmark/musl/
H A Dlibc_mman.cpp131 char* mem = (char *)mmap(nullptr, length, PROT_READ | PROT_WRITE, flags, -1, 0); in Bm_function_Mmap_anonymous()
148 char* mem = (char *)mmap(nullptr, length, PROT_READ | PROT_WRITE, flags, -1, 0); in Bm_function_Munmap_anonymous()
167 char* mem = (char *)mmap(nullptr, length, PROT_READ | PROT_WRITE, flags, fd, 0); in Bm_function_Mmap_fd()
189 char* mem = (char *)mmap(nullptr, length, PROT_READ | PROT_WRITE, flags, fd, 0); in Bm_function_Munmap_fd()
204 int *addr = (int*)mmap(nullptr, length, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0); in Bm_function_Madvise()
219 void *oldAddr = mmap(nullptr, oldLength, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); in Bm_function_Mremap()
233 perror("mmap"); in Bm_function_Mremap()
245 char* mem = (char *)mmap(nullptr, length, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); in Bm_function_Msync()
282 void *addr = mmap(nullptr, length, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); in Bm_function_Mlock_Munlock()
284 perror("mmap munloc in Bm_function_Mlock_Munlock()
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/third_party/musl/libc-test/src/functionalext/supplement/mman/
H A Dmmap.c52 start = mmap(NULL, statbuff.st_size, PROT_READ, MAP_PRIVATE, fd, 0); in mmap_0100()
90 start = mmap(NULL, statbuff.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); in mmap_0200()
113 start = mmap(NULL, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0); in mmap_0300()
144 start = mmap(NULL, statbuff.st_size, PROT_EXEC, MAP_PRIVATE | MAP_LOCKED, fd, 0); in mmap_0400()
182 start = mmap(NULL, statbuff.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_DENYWRITE, fd, 0); in mmap_0500()
219 start = mmap(NULL, statbuff.st_size, PROT_NONE, MAP_PRIVATE | MAP_FIXED, -1, 0); in mmap_0600()
255 start = mmap(NULL, statbuff.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, OFF_MASK); in mmap_0700()
288 start = mmap(NULL, PTRDIFF_MAX + 1, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); in mmap_0800()
319 start = mmap(NULL, 0, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); in mmap_0900()
354 start = mmap(NUL in mmap_1000()
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/third_party/alsa-lib/src/pcm/
H A Dpcm_mmap.c2 * PCM Interface - mmap
134 * \brief Write interleaved frames to a PCM using direct buffer (mmap)
159 * \brief Write non interleaved frames to a PCM using direct buffer (mmap)
184 * \brief Read interleaved frames from a PCM using direct buffer (mmap)
209 * \brief Read non interleaved frames to a PCM using direct buffer (mmap)
273 if (pcm->ops->mmap) in snd_pcm_mmap()
274 err = pcm->ops->mmap(pcm); in snd_pcm_mmap()
322 if (i1->u.mmap.fd != i->u.mmap.fd || in snd_pcm_mmap()
323 i1->u.mmap in snd_pcm_mmap()
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/third_party/ltp/testcases/kernel/syscalls/writev/
H A Dwritev06.c164 bad_addr[0] = mmap(NULL, page_size * 3, PROT_NONE, in setup()
167 tst_brkm(TBROK, cleanup, "mmap failed for bad_addr[0]"); in setup()
169 good_addr[0] = mmap(NULL, page_size, PROT_READ | PROT_WRITE, in setup()
172 tst_brkm(TBROK, cleanup, "mmap failed for good_addr[0]"); in setup()
174 bad_addr[1] = mmap(NULL, page_size * 3, PROT_NONE, in setup()
177 tst_brkm(TBROK, cleanup, "mmap failed for bad_addr[1]"); in setup()
179 good_addr[1] = mmap(NULL, page_size, PROT_READ | PROT_WRITE, in setup()
182 tst_brkm(TBROK, cleanup, "mmap failed for good_addr[1]"); in setup()
/third_party/rust/crates/nix/test/sys/
H A Dtest_mman.rs1 use nix::sys::mman::{mmap, MapFlags, ProtFlags};
7 let ptr = mmap( in test_mmap_anonymous()
32 let mem = mmap( in test_mremap_grow()
90 let mem = mmap( in test_mremap_shrink()
/third_party/musl/src/mman/
H A Dmmap.c49 weak_alias(__mmap, mmap);
50 weak_alias(mmap, mmap64);
59 return mmap(start, len, prot, flags, fd, off); in __lldb_mmap()
/third_party/musl/libc-test/src/functionalext/supplement/ldso/ldso_gtest/
H A Dldso_dlopen_ext_test.cpp64 void* addr = mmap(nullptr, SIZE_1024_SQUARE, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, INVALID_VALUE, 0); in HWTEST_F()
92 void* addr = mmap(nullptr, SIZE_128, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, INVALID_VALUE, 0); in HWTEST_F()
111 void* addr = mmap(nullptr, SIZE_1024_SQUARE, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, INVALID_VALUE, 0); in HWTEST_F()
142 void* addr = mmap(nullptr, SIZE_1024_SQUARE, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, INVALID_VALUE, 0); in HWTEST_F()
182 void* addr = mmap(nullptr, SIZE_128, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, INVALID_VALUE, 0); in HWTEST_F()
287 void* addr = mmap(nullptr, SIZE_1024_SQUARE, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, INVALID_VALUE, 0); in HWTEST_F()
323 void* addr = mmap(nullptr, SIZE_1024_SQUARE, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, INVALID_VALUE, 0); in HWTEST_F()
358 void* addr = mmap(nullptr, SIZE_1024_SQUARE, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, INVALID_VALUE, 0); in HWTEST_F()
394 void* addr = mmap(nullptr, SIZE_128, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, INVALID_VALUE, 0); in HWTEST_F()
/third_party/elfutils/lib/
H A Dcrc32_file.c53 void *mapped = mmap (NULL, mapsize, PROT_READ, MAP_PRIVATE, fd, 0); in crc32_file()
59 && (mapped = mmap (NULL, mapsize, PROT_READ, MAP_PRIVATE, in crc32_file()
76 } while (mmap (mapped, mapsize, PROT_READ, MAP_FIXED|MAP_PRIVATE, in crc32_file()
/third_party/ltp/testcases/open_posix_testsuite/conformance/interfaces/mmap/
H A D27-1.c9 * The mmap() function shall fail if:
17 * 1. Try mmap with MAP_PRIVATE should either fail with ENOTSUP or SUCCEED
60 pa = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); in main()
75 pa = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); in main()
77 printf("Error at mmap(): %s\n", strerror(errno)); in main()
81 pa = mmap(pa, len / 2, PROT_READ, MAP_SHARED | MAP_FIXED, fd, 0); in main()
/third_party/musl/libc-test/src/functionalext/relro/
H A Ddlopen_ext_relro_test.c418 void *map = mmap(NULL, map_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); in dlopen_ext_relro_1600()
455 void *map = mmap(NULL, map_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); in dlopen_ext_relro_1700()
492 void *map = mmap(NULL, map_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); in dlopen_ext_relro_1800()
529 void *map = mmap(NULL, map_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); in dlopen_ext_relro_1900()
564 void *map = mmap(NULL, map_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); in dlopen_ext_relro_2000()
601 void *map = mmap(NULL, map_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); in dlopen_ext_relro_2100()
639 void *map = mmap(NULL, map_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); in dlopen_ext_relro_2200()
678 void *map = mmap(NULL, map_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); in dlopen_ext_relro_2300()
716 void *map = mmap(NULL, map_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); in dlopen_ext_relro_2400()
/third_party/ltp/testcases/kernel/mem/mmapstress/
H A Dmmapstress03.c27 * it into two segments (i.e. |---brk---|-mmap-|--more brk--|). Next it
35 * for a huge mmap which is refused.
143 /* Ask for a ridiculously large mmap region at a high address */ in main()
144 if (mmap((void*) (((uintptr_t)1) << ((sizeof(void*)<<3) - 1)) - pagesize, in main()
149 ERROR("really large mmap didn't fail"); in main()
153 ERROR("really large mmap didn't set errno = ENOMEM nor EINVAL"); in main()
167 if (mmap((void*) ((long)brk_max - 3 * pagesize), (2 * pagesize), in do_test()
171 ERROR("mmap failed"); in do_test()
174 /* extend mmap */ in do_test()
175 if (mmap((voi in do_test()
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H A Dmmapstress05.c26 * original mmap. It then mmaps the preceding portion of the file behind
27 * the original mmap. None of the mmaps can be concatenated.
179 if (mmap(mmapaddr + pagesize, pagesize, PROT_READ, in main()
183 CERROR("first mmap (of third page) failed"); in main()
186 if (mmap(mmapaddr, pagesize, PROT_READ, in main()
190 CERROR("second mmap (of fifth page) failed"); in main()
193 if (mmap(mmapaddr + 2 * pagesize, pagesize, PROT_READ, in main()
195 CERROR("third mmap (of first page) failed"); in main()

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