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Enable the mmap stdlib module on Nanvix #561

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Merged
ppenna merged 3 commits into from
Apr 29, 2026
Merged

Enable the mmap stdlib module on Nanvix #561

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314b584
Enable mmap
ada-x64 Apr 29, 2026
1b2f873
mmap: gate msync() on HAVE_MSYNC
ada-x64 Apr 29, 2026
6845007
revert configure change
ada-x64 Apr 29, 2026
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2 changes: 1 addition & 1 deletion Modules/mmapmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -678,7 +678,7 @@ mmap_flush_method(mmap_object *self, PyObject *args)
return NULL;
}
Py_RETURN_NONE;
#elif defined(UNIX)
#elif defined(UNIX) && defined(HAVE_MSYNC)
/* XXX flags for msync? */
if (-1 == msync(self->data + offset, size, MS_SYNC)) {
PyErr_SetFromErrno(PyExc_OSError);
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7 changes: 6 additions & 1 deletion configure
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3 changes: 1 addition & 2 deletions configure.ac
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Expand Up @@ -4908,7 +4908,7 @@ AC_CHECK_FUNCS([ \
getpwent getpwnam_r getpwuid getpwuid_r getresgid getresuid getrusage getsid getspent \
getspnam getuid getwd if_nameindex initgroups kill killpg lchown linkat \
lockf lstat lutimes madvise mbrtowc memrchr mkdirat mkfifo mkfifoat \
mknod mknodat mktime mmap mremap nice openat opendir pathconf pause pipe \
mknod mknodat mktime mmap mremap msync nice openat opendir pathconf pause pipe \
pipe2 plock poll posix_fadvise posix_fallocate posix_spawn posix_spawnp \
pread preadv preadv2 pthread_condattr_setclock pthread_init pthread_kill \
pwrite pwritev pwritev2 readlink readlinkat readv realpath renameat \
Expand Down Expand Up @@ -7270,7 +7270,6 @@ AS_CASE([$ac_sys_system],
[_lsprof],
[_multiprocessing],
[audioop],
[mmap],
[_posixshmem],
[fcntl],
[grp],
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3 changes: 3 additions & 0 deletions pyconfig.h.in
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Expand Up @@ -823,6 +823,9 @@
/* Define to 1 if you have the `mremap' function. */
#undef HAVE_MREMAP

/* Define to 1 if you have the `msync' function. */
#undef HAVE_MSYNC

/* Define to 1 if you have the `nanosleep' function. */
#undef HAVE_NANOSLEEP

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