Introduce d_u32align / U32_REQUIRES_ALIGNMENT, needed for

ext/Digest/MD5/Makefile.PL and t/lib/md5-align.t.
Introduce probes for struct msghdr, struct cmsghdr,
sendmsg, recvmsg, readv, writev, setitimer, getitimer,
ualarm, usleep, for possible later extension work.

p4raw-id: //depot/perl@9560

4 files changed, 154 insertions, 0 deletions

diff --git a/vos/config.alpha.def b/vos/config.alpha.def
index 3128752a27..1242114a1f 100644
--- a/vos/config.alpha.def
+++ b/vos/config.alpha.def
@@ -36,6 +36,7 @@ $d_charvspr='undef'
 $d_chown='undef'
 $d_chroot='undef'
 $d_chsize='undef'
+$d_cmsghdr_s='undef'
 $d_const='define'
 $d_crypt='undef'
 $d_csh='undef'
@@ -86,6 +87,7 @@ $d_gethbyname='define'
 $d_gethent='define'
 $d_gethname='define'
 $d_gethostprotos='define'
+$d_getitimer='undef'
 $d_getlogin='define'
 $d_getmnt='undef'
 $d_getmntent='undef'
@@ -156,6 +158,7 @@ $d_msg_dontroute='undef'
 $d_msg_oob='undef'
 $d_msg_peek='undef'
 $d_msg_proxy='undef'
+$d_msghdr_s='undef'
 $d_msync='undef'
 $d_munmap='undef'
 $d_mymalloc='undef'
@@ -187,6 +190,8 @@ $d_pwquota='undef'
 $d_quad='undef'
 $d_readdir='define'
 $d_readlink='define'
+$d_readv='undef'
+$d_recvmsg='undef'
 $d_rename='define'
 $d_rewinddir='define'
 $d_rmdir='define'
@@ -202,6 +207,7 @@ $d_select='define'
 $d_sem='undef'
 $d_semctl_semid_ds='undef'
 $d_semctl_semun='undef'
+$d_sendmsg='undef'
 $d_setegid='undef'
 $d_seteuid='undef'
 $d_setgrent='undef'
@@ -274,9 +280,12 @@ $d_telldirproto='undef'
 $d_times='define'
 $d_truncate='undef'
 $d_tzname='define'
+$d_u32align='define'
+$d_ualarm='undef'
 $d_umask='define'
 $d_uname='define'
 $d_union_semun='undef'
+$d_usleep='undef'
 $d_ustat='undef'
 $d_vendorarch='define'
 $d_vendorlib='define'
@@ -288,6 +297,7 @@ $d_wait4='undef'
 $d_waitpid='define'
 $d_wcstombs='define'
 $d_wctomb='define'
+$d_writev='undef'
 $db_hashtype='int'
 $db_prefixtype='int'
 $defvoidused='15'
diff --git a/vos/config.alpha.h b/vos/config.alpha.h
index a4d0f3dc84..c4291f9fa2 100644
--- a/vos/config.alpha.h
+++ b/vos/config.alpha.h
@@ -442,6 +442,19 @@
  */
 #define HAS_READLINK		/**/
 
+/* HAS_READV:
+ *	This symbol, if defined, indicates that the readv routine is
+ *	available to do gather reads.  You will also need <sys/uio.h>
+ *	and there I_SYSUIO.
+ */
+/*#define HAS_READV		/**/
+
+/* HAS_RECVMSG:
+ *	This symbol, if defined, indicates that the recvmsg routine is
+ *	available to send structured socket messages.
+ */
+/*#define HAS_RECVMSG		/**/
+
 /* HAS_RENAME:
  *	This symbol, if defined, indicates that the rename routine is available
  *	to rename files.  Otherwise you should do the unlink(), link(), unlink()
@@ -667,6 +680,12 @@
  */
 #define HAS_UMASK		/**/
 
+/* HAS_USLEEP:
+ *	This symbol, if defined, indicates that the usleep routine is
+ *	available to let the process sleep on a sub-second accuracy.
+ */
+/*#define HAS_USLEEP		/**/
+
 /* HASVOLATILE:
  *	This symbol, if defined, indicates that this C compiler knows about
  *	the volatile declaration.
@@ -1258,6 +1277,12 @@
  */
 /*#define VOID_CLOSEDIR		/**/
 
+/* HAS_STRUCT_CMSGHDR:
+ *	This symbol, if defined, indicates that the struct cmsghdr
+ *	is supported.
+ */
+/*#define HAS_STRUCT_CMSGHDR	/ **/
+
 /* HAS_CSH:
  *	This symbol, if defined, indicates that the C-shell exists.
  */
@@ -1472,6 +1497,12 @@
  */
 #define	HAS_GETHOST_PROTOS	/**/
 
+/* HAS_GETITIMER:
+ *	This symbol, if defined, indicates that the getitimer routine is
+ *	available to return interval timers.
+ */
+/*#define HAS_GETITIMER		/**/
+
 /* HAS_GETMNT:
  *	This symbol, if defined, indicates that the getmnt routine is
  *	available to get filesystem mount info by filename.
@@ -1762,6 +1793,12 @@
  */
 /*#define HAS_MSG		/**/
 
+/* HAS_STRUCT_MSGHDR:
+ *	This symbol, if defined, indicates that the struct msghdr
+ *	is supported.
+ */
+/*#define HAS_STRUCT_MSGHDR	/ **/
+
 /* HAS_OFF64_T:
  *	This symbol will be defined if the C compiler supports off64_t.
  */
@@ -1840,6 +1877,12 @@
  */
 /*#define HAS_SEM		/**/
 
+/* HAS_SENDMSG:
+ *	This symbol, if defined, indicates that the sendmsg routine is
+ *	available to send structured socket messages.
+ */
+/*#define HAS_SENDMSG		/**/
+
 /* HAS_SETGRENT:
  *	This symbol, if defined, indicates that the setgrent routine is
  *	available for initializing sequential access of the group database.
@@ -1859,6 +1902,12 @@
  */
 #define HAS_SETHOSTENT		/**/
 
+/* HAS_SETITIMER:
+ *	This symbol, if defined, indicates that the setitimer routine is
+ *	available to set interval timers.
+ */
+/*#define HAS_SETITIMER		/**/
+
 /* HAS_SETNETENT:
  *	This symbol, if defined, indicates that the setnetent() routine is
  *	available.
@@ -2189,6 +2238,12 @@
  */
 #define HAS_TIMES		/**/
 
+/* HAS_UALARM:
+ *	This symbol, if defined, indicates that the ualarm routine is
+ *	available to do alarms with microsecond granularity.
+ */
+/*#define HAS_UALARM		/**/
+
 /* HAS_UNION_SEMUN:
  *	This symbol, if defined, indicates that the union semun is
  *	defined by including <sys/sem.h>.  If not, the user code
@@ -2244,6 +2299,12 @@
 #define HAS_VPRINTF	/**/
 /*#define USE_CHAR_VSPRINTF 	/**/
 
+/* HAS_WRITEV:
+ *	This symbol, if defined, indicates that the writev routine is
+ *	available to do scatter writes.
+ */
+/*#define HAS_WRITEV		/**/
+
 /* USE_DYNAMIC_LOADING:
  *	This symbol, if defined, indicates that dynamic loading of
  *	some sort is available.
@@ -3262,4 +3323,10 @@
  */
 /*#define HAS_SOCKATMARK		/ **/
 
+/* U32_ALIGNMENT_REQUIRED:
+ *	This symbol, if defined, indicates that you must access
+ *	character data through U32-aligned pointers.
+ */
+#define U32_ALIGNMENT_REQUIRED	/**/
+
 #endif
diff --git a/vos/config.ga.def b/vos/config.ga.def
index 7f0cbdbfcc..63d2aa9882 100644
--- a/vos/config.ga.def
+++ b/vos/config.ga.def
@@ -36,6 +36,7 @@ $d_charvspr='undef'
 $d_chown='define'
 $d_chroot='undef'
 $d_chsize='undef'
+$d_cmsghdr_s='undef'
 $d_const='define'
 $d_crypt='undef'
 $d_csh='define'
@@ -86,6 +87,7 @@ $d_gethbyname='define'
 $d_gethent='define'
 $d_gethname='define'
 $d_gethostprotos='define'
+$d_getitimer='undef'
 $d_getlogin='define'
 $d_getmnt='undef'
 $d_getmntent='undef'
@@ -156,6 +158,7 @@ $d_msg_dontroute='undef'
 $d_msg_oob='undef'
 $d_msg_peek='undef'
 $d_msg_proxy='undef'
+$d_msghdr_s='undef'
 $d_msync='undef'
 $d_munmap='define'
 $d_mymalloc='undef'
@@ -187,6 +190,8 @@ $d_pwquota='undef'
 $d_quad='undef'
 $d_readdir='define'
 $d_readlink='define'
+$d_readv='undef'
+$d_recvmsg='undef'
 $d_rename='define'
 $d_rewinddir='define'
 $d_rmdir='define'
@@ -202,6 +207,7 @@ $d_select='define'
 $d_sem='undef'
 $d_semctl_semid_ds='undef'
 $d_semctl_semun='undef'
+$d_sendmsg='undef'
 $d_setegid='define'
 $d_seteuid='define'
 $d_setgrent='undef'
@@ -274,9 +280,12 @@ $d_telldirproto='undef'
 $d_times='define'
 $d_truncate='undef'
 $d_tzname='define'
+$d_u32align='define'
+$d_ualarm='undef'
 $d_umask='define'
 $d_uname='define'
 $d_union_semun='undef'
+$d_usleep='undef'
 $d_ustat='undef'
 $d_vendorarch='define'
 $d_vendorlib='define'
@@ -288,6 +297,7 @@ $d_wait4='define'
 $d_waitpid='define'
 $d_wcstombs='define'
 $d_wctomb='define'
+$d_writev='undef'
 $db_hashtype='int'
 $db_prefixtype='int'
 $defvoidused='15'
diff --git a/vos/config.ga.h b/vos/config.ga.h
index f54c4de5b5..642b65b26d 100644
--- a/vos/config.ga.h
+++ b/vos/config.ga.h
@@ -442,6 +442,19 @@
  */
 #define HAS_READLINK		/**/
 
+/* HAS_READV:
+ *	This symbol, if defined, indicates that the readv routine is
+ *	available to do gather reads.  You will also need <sys/uio.h>
+ *	and there I_SYSUIO.
+ */
+/*#define HAS_READV		/**/
+
+/* HAS_RECVMSG:
+ *	This symbol, if defined, indicates that the recvmsg routine is
+ *	available to send structured socket messages.
+ */
+/*#define HAS_RECVMSG		/**/
+
 /* HAS_RENAME:
  *	This symbol, if defined, indicates that the rename routine is available
  *	to rename files.  Otherwise you should do the unlink(), link(), unlink()
@@ -679,6 +692,12 @@
  */
 #define HAS_UMASK		/**/
 
+/* HAS_USLEEP:
+ *	This symbol, if defined, indicates that the usleep routine is
+ *	available to let the process sleep on a sub-second accuracy.
+ */
+/*#define HAS_USLEEP		/**/
+
 /* HASVOLATILE:
  *	This symbol, if defined, indicates that this C compiler knows about
  *	the volatile declaration.
@@ -1270,6 +1289,12 @@
  */
 /*#define VOID_CLOSEDIR		/**/
 
+/* HAS_STRUCT_CMSGHDR:
+ *	This symbol, if defined, indicates that the struct cmsghdr
+ *	is supported.
+ */
+/*#define HAS_STRUCT_CMSGHDR	/ **/
+
 /* HAS_CSH:
  *	This symbol, if defined, indicates that the C-shell exists.
  */
@@ -1484,6 +1509,12 @@
  */
 #define	HAS_GETHOST_PROTOS	/**/
 
+/* HAS_GETITIMER:
+ *	This symbol, if defined, indicates that the getitimer routine is
+ *	available to return interval timers.
+ */
+/*#define HAS_GETITIMER		/**/
+
 /* HAS_GETMNT:
  *	This symbol, if defined, indicates that the getmnt routine is
  *	available to get filesystem mount info by filename.
@@ -1774,6 +1805,12 @@
  */
 /*#define HAS_MSG		/**/
 
+/* HAS_STRUCT_MSGHDR:
+ *	This symbol, if defined, indicates that the struct msghdr
+ *	is supported.
+ */
+/*#define HAS_STRUCT_MSGHDR	/ **/
+
 /* HAS_OFF64_T:
  *	This symbol will be defined if the C compiler supports off64_t.
  */
@@ -1852,6 +1889,12 @@
  */
 /*#define HAS_SEM		/**/
 
+/* HAS_SENDMSG:
+ *	This symbol, if defined, indicates that the sendmsg routine is
+ *	available to send structured socket messages.
+ */
+/*#define HAS_SENDMSG		/**/
+
 /* HAS_SETGRENT:
  *	This symbol, if defined, indicates that the setgrent routine is
  *	available for initializing sequential access of the group database.
@@ -1871,6 +1914,12 @@
  */
 #define HAS_SETHOSTENT		/**/
 
+/* HAS_SETITIMER:
+ *	This symbol, if defined, indicates that the setitimer routine is
+ *	available to set interval timers.
+ */
+/*#define HAS_SETITIMER		/**/
+
 /* HAS_SETNETENT:
  *	This symbol, if defined, indicates that the setnetent() routine is
  *	available.
@@ -2189,6 +2238,12 @@
  */
 #define HAS_TIMES		/**/
 
+/* HAS_UALARM:
+ *	This symbol, if defined, indicates that the ualarm routine is
+ *	available to do alarms with microsecond granularity.
+ */
+/*#define HAS_UALARM		/**/
+
 /* HAS_UNION_SEMUN:
  *	This symbol, if defined, indicates that the union semun is
  *	defined by including <sys/sem.h>.  If not, the user code
@@ -2244,6 +2299,12 @@
 #define HAS_VPRINTF	/**/
 /*#define USE_CHAR_VSPRINTF 	/**/
 
+/* HAS_WRITEV:
+ *	This symbol, if defined, indicates that the writev routine is
+ *	available to do scatter writes.
+ */
+/*#define HAS_WRITEV		/**/
+
 /* USE_DYNAMIC_LOADING:
  *	This symbol, if defined, indicates that dynamic loading of
  *	some sort is available.
@@ -3262,4 +3323,10 @@
  */
 /*#define HAS_SOCKATMARK		/ **/
 
+/* U32_ALIGNMENT_REQUIRED:
+ *	This symbol, if defined, indicates that you must access
+ *	character data through U32-aligned pointers.
+ */
+#define U32_ALIGNMENT_REQUIRED	/**/
+
 #endif