Post by Tom G. Christensen/usr/include/sys/procfs.h:44:2: error: #error "Cannot use procfs in the
large file compilation environment"
vma-iter.c:545:27: error: 'MAP_ANONYMOUS' undeclared (first use in this
function)
vma-iter.c:545:27: note: each undeclared identifier is reported only
once for each function it appears in
make[4]: *** [vma-iter.o] Error 1
Fixed as follows. Thanks for the report!
2017-04-18 Bruno Haible <***@clisp.org>
vma-iter: Fix compilation error on Solaris 7.
* lib/vma-iter.c (vma_iterate): Treat missing MAP_ANONYMOUS on Solaris
like on IRIX, OSF/1.
Reported by Tom G. Christensen <***@jupiterrise.com>.
diff --git a/lib/vma-iter.c b/lib/vma-iter.c
index d4bae13..e81b8ea 100644
--- a/lib/vma-iter.c
+++ b/lib/vma-iter.c
@@ -399,6 +399,13 @@ vma_iterate (vma_iterate_callback_fn callback, void *data)
int fd;
int nmaps;
size_t memneed;
+# if HAVE_MAP_ANONYMOUS
+# define zero_fd -1
+# define map_flags MAP_ANONYMOUS
+# else /* Solaris <= 7 */
+ int zero_fd;
+# define map_flags 0
+# endif
void *auxmap;
unsigned long auxmap_start;
unsigned long auxmap_end;
@@ -433,8 +440,16 @@ vma_iterate (vma_iterate_callback_fn callback, void *data)
and thus pre-allocate available memory.
So use mmap(), and ignore the resulting VMA. */
memneed = ((memneed - 1) / pagesize + 1) * pagesize;
+# if !HAVE_MAP_ANONYMOUS
+ zero_fd = open ("/dev/zero", O_RDONLY, 0644);
+ if (zero_fd < 0)
+ goto fail2;
+# endif
auxmap = (void *) mmap ((void *) 0, memneed, PROT_READ | PROT_WRITE,
- MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
+ map_flags | MAP_PRIVATE, zero_fd, 0);
+# if !HAVE_MAP_ANONYMOUS
+ close (zero_fd);
+# endif
if (auxmap == (void *) -1)
goto fail2;
auxmap_start = (unsigned long) auxmap;
@@ -502,6 +517,13 @@ vma_iterate (vma_iterate_callback_fn callback, void *data)
int fd;
int nmaps;
size_t memneed;
+# if HAVE_MAP_ANONYMOUS
+# define zero_fd -1
+# define map_flags MAP_ANONYMOUS
+# else /* Solaris <= 7 */
+ int zero_fd;
+# define map_flags 0
+# endif
void *auxmap;
unsigned long auxmap_start;
unsigned long auxmap_end;
@@ -541,8 +563,16 @@ vma_iterate (vma_iterate_callback_fn callback, void *data)
and thus pre-allocate available memory.
So use mmap(), and ignore the resulting VMA. */
memneed = ((memneed - 1) / pagesize + 1) * pagesize;
+# if !HAVE_MAP_ANONYMOUS
+ zero_fd = open ("/dev/zero", O_RDONLY, 0644);
+ if (zero_fd < 0)
+ goto fail2;
+# endif
auxmap = (void *) mmap ((void *) 0, memneed, PROT_READ | PROT_WRITE,
- MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
+ map_flags | MAP_PRIVATE, zero_fd, 0);
+# if !HAVE_MAP_ANONYMOUS
+ close (zero_fd);
+# endif
if (auxmap == (void *) -1)
goto fail2;
auxmap_start = (unsigned long) auxmap;