Bugzilla bug #38996: added new function PR_GetMemMapAlignment().

Modified files: prio.h, _beos.h, _macos.h, _os2.h, _unixos.h, _win16.h,
_win95.h, _winnt.h, primpl.h, prmmap.c, bmmap.c, macio.c, os2misc.c,
ntmisc.c, w16fmem.c

5 files changed, 36 insertions, 0 deletions

diff --git a/pr/src/md/beos/bmmap.c b/pr/src/md/beos/bmmap.c
index 8f35e0dd..30b31f60 100644
--- a/pr/src/md/beos/bmmap.c
+++ b/pr/src/md/beos/bmmap.c
@@ -19,6 +19,13 @@ _PR_MD_CREATE_FILE_MAP(PRFileMap *fmap, PRInt64 size)
     return PR_FAILURE;
 }
 
+PR_EXTERN(PRInt32)
+_PR_MD_GET_MEM_MAP_ALIGNMENT(void)
+{
+    PR_SetError( PR_NOT_IMPLEMENTED_ERROR, 0 );
+    return -1;
+}
+
 PR_EXTERN(void *)
 _PR_MD_MEM_MAP(PRFileMap *fmap, PRInt64 offset, PRUint32 len)
 {
diff --git a/pr/src/md/mac/macio.c b/pr/src/md/mac/macio.c
index 07aa4bc0..d062ce7a 100644
--- a/pr/src/md/mac/macio.c
+++ b/pr/src/md/mac/macio.c
@@ -1898,6 +1898,13 @@ PRStatus _MD_CreateFileMap(PRFileMap *fmap, PRInt64 size)
     return PR_FAILURE;
 }
 
+PRInt32 _MD_GetMemMapAlignment(void)
+{
+    PR_ASSERT(!"Not implemented");
+    PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+    return -1;
+}
+
 void * _MD_MemMap(
     PRFileMap *fmap,
     PROffset64 offset,
diff --git a/pr/src/md/os2/os2misc.c b/pr/src/md/os2/os2misc.c
index 27277e68..fc1ada88 100644
--- a/pr/src/md/os2/os2misc.c
+++ b/pr/src/md/os2/os2misc.c
@@ -495,6 +495,13 @@ PRStatus _MD_CreateFileMap(PRFileMap *fmap, PRInt64 size)
     return PR_FAILURE;
 }
 
+PRInt32 _MD_GetMemMapAlignment(void)
+{
+    PR_ASSERT(!"Not implemented");
+    PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+    return -1;
+}
+
 void * _MD_MemMap(
     PRFileMap *fmap,
     PROffset64 offset,
diff --git a/pr/src/md/windows/ntmisc.c b/pr/src/md/windows/ntmisc.c
index f03a9ef6..e1042b26 100644
--- a/pr/src/md/windows/ntmisc.c
+++ b/pr/src/md/windows/ntmisc.c
@@ -665,6 +665,14 @@ PRStatus _MD_CreateFileMap(PRFileMap *fmap, PRInt64 size)
     }
     return PR_SUCCESS;
 }
+
+PRInt32 _MD_GetMemMapAlignment(void)
+{
+    SYSTEM_INFO info;
+    GetSystemInfo(&info);
+    return info.dwAllocationGranularity;
+}
+
 #include "prlog.h"
 extern PRLogModuleInfo *_pr_shma_lm;
 void * _MD_MemMap(
diff --git a/pr/src/md/windows/w16fmem.c b/pr/src/md/windows/w16fmem.c
index 9a9a72d4..e544522c 100644
--- a/pr/src/md/windows/w16fmem.c
+++ b/pr/src/md/windows/w16fmem.c
@@ -33,6 +33,13 @@ PRStatus _MD_CreateFileMap(PRFileMap *fmap, PRInt64 size)
     return PR_FAILURE;
 }
 
+PRInt32 _MD_GetMemMapAlignment(void)
+{
+    PR_ASSERT(!"Not implemented");
+    PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+    return -1;
+}
+
 void * _MD_MemMap(
     PRFileMap *fmap,
     PRInt64 offset,