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Remove unused HAVE_MEM_MMAP_ANON and HAVE_MEM_MMAP_ZERO checks

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These haven't been used since the MM rewrite in PHP 7.0. Nowadays
we assume that either MAP_ANON or MAP_ANONYMOUS is available.
This commit is contained in:
Nikita Popov 2018-09-17 12:03:45 +02:00
parent f57be4bdbe
commit b3f8a6341d
1 changed files with 0 additions and 100 deletions
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100
Zend/Zend.m4
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@ -260,106 +260,6 @@ int main()
AC_MSG_RESULT(done)
dnl test for memory allocation using mmap(MAP_ANON)
AC_MSG_CHECKING(for memory allocation using mmap(MAP_ANON))
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <stdlib.h>
#include <stdio.h>
#ifndef MAP_ANON
# ifdef MAP_ANONYMOUS
# define MAP_ANON MAP_ANONYMOUS
# endif
#endif
#ifndef MREMAP_MAYMOVE
# define MREMAP_MAYMOVE 0
#endif
#ifndef MAP_FAILED
# define MAP_FAILED ((void*)-1)
#endif
#define SEG_SIZE (256*1024)
int main()
{
void *seg = mmap(NULL, SEG_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
if (seg == MAP_FAILED) {
return 1;
}
if (munmap(seg, SEG_SIZE) != 0) {
return 2;
}
return 0;
}
]])], [
AC_DEFINE([HAVE_MEM_MMAP_ANON], 1, [Define if the target system has support for memory allocation using mmap(MAP_ANON)])
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
], [
dnl cross-compile needs something here
AC_MSG_RESULT(no)
])
dnl test for memory allocation using mmap("/dev/zero")
AC_MSG_CHECKING(for memory allocation using mmap("/dev/zero"))
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <stdlib.h>
#include <stdio.h>
#ifndef MAP_ANON
# ifdef MAP_ANONYMOUS
# define MAP_ANON MAP_ANONYMOUS
# endif
#endif
#ifndef MREMAP_MAYMOVE
# define MREMAP_MAYMOVE 0
#endif
#ifndef MAP_FAILED
# define MAP_FAILED ((void*)-1)
#endif
#define SEG_SIZE (256*1024)
int main()
{
int fd;
void *seg;
fd = open("/dev/zero", O_RDWR, S_IRUSR | S_IWUSR);
if (fd < 0) {
return 1;
}
seg = mmap(NULL, SEG_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
if (seg == MAP_FAILED) {
return 2;
}
if (munmap(seg, SEG_SIZE) != 0) {
return 3;
}
if (close(fd) != 0) {
return 4;
}
return 0;
}
]])], [
AC_DEFINE([HAVE_MEM_MMAP_ZERO], 1, [Define if the target system has support for memory allocation using mmap("/dev/zero")])
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
], [
dnl cross-compile needs something here
AC_MSG_RESULT(no)
])
AC_CHECK_FUNCS(mremap)