From f8ccf3e8aad2cb460458ca0464f8be0f38cd7577 Mon Sep 17 00:00:00 2001
From: "wtc%netscape.com"
 <wtc%netscape.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Tue, 11 Jan 2000 01:49:01 +0000
Subject: [PATCH] Merged minor fixes related to PR_Available and PR_Sync for
 pipes in NSPR 3.5.1 onto the main trunk. Modified files: _win95.h, _winnt.h,
 prfile.c, ntio.c, w95io.c, ptio.c

git-svn-id: svn://10.0.0.236/trunk@57332 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/nsprpub/pr/include/md/_win95.h    |  1 +
 mozilla/nsprpub/pr/include/md/_winnt.h    |  1 +
 mozilla/nsprpub/pr/src/io/prfile.c        | 37 ++++++++++++++++++-----
 mozilla/nsprpub/pr/src/md/windows/ntio.c  | 10 ++++++
 mozilla/nsprpub/pr/src/md/windows/w95io.c |  9 ++++++
 mozilla/nsprpub/pr/src/pthreads/ptio.c    |  4 +--
 6 files changed, 53 insertions(+), 9 deletions(-)

diff --git a/mozilla/nsprpub/pr/include/md/_win95.h b/mozilla/nsprpub/pr/include/md/_win95.h
index e82ddfe3d25..6878b152021 100644
--- a/mozilla/nsprpub/pr/include/md/_win95.h
+++ b/mozilla/nsprpub/pr/include/md/_win95.h
@@ -245,6 +245,7 @@ extern PRInt32 _MD_CloseSocket(PRInt32 osfd);
 #define _MD_SOCKET                    _PR_MD_SOCKET
 extern PRInt32 _MD_SocketAvailable(PRFileDesc *fd);
 #define _MD_SOCKETAVAILABLE           _MD_SocketAvailable
+#define _MD_PIPEAVAILABLE             _PR_MD_PIPEAVAILABLE
 #define _MD_CONNECT                   _PR_MD_CONNECT
 extern PRInt32 _MD_Accept(PRFileDesc *fd, PRNetAddr *raddr, PRUint32 *rlen,
         PRIntervalTime timeout);
diff --git a/mozilla/nsprpub/pr/include/md/_winnt.h b/mozilla/nsprpub/pr/include/md/_winnt.h
index 77db2ddb168..85ddd5054fe 100644
--- a/mozilla/nsprpub/pr/include/md/_winnt.h
+++ b/mozilla/nsprpub/pr/include/md/_winnt.h
@@ -247,6 +247,7 @@ extern int _PR_NTFiberSafeSelect(int, fd_set *, fd_set *, fd_set *,
     const struct timeval *);
 #define _MD_FSYNC                     _PR_MD_FSYNC
 #define _MD_SOCKETAVAILABLE           _PR_MD_SOCKETAVAILABLE
+#define _MD_PIPEAVAILABLE             _PR_MD_PIPEAVAILABLE
 #define _MD_SET_FD_INHERITABLE        _PR_MD_SET_FD_INHERITABLE
 
 #define _MD_INIT_ATOMIC()
diff --git a/mozilla/nsprpub/pr/src/io/prfile.c b/mozilla/nsprpub/pr/src/io/prfile.c
index 70baeebf211..e58e8fffcfa 100644
--- a/mozilla/nsprpub/pr/src/io/prfile.c
+++ b/mozilla/nsprpub/pr/src/io/prfile.c
@@ -155,7 +155,7 @@ static PRInt64 PR_CALLBACK FileAvailable64(PRFileDesc *fd)
     return result;
 }
 
-#ifndef WIN32
+#if defined(XP_UNIX) || defined(WIN32)
 static PRInt32 PR_CALLBACK PipeAvailable(PRFileDesc *fd)
 {
 	PRInt32 rv;
@@ -169,8 +169,31 @@ static PRInt64 PR_CALLBACK PipeAvailable64(PRFileDesc *fd)
     LL_I2L(rv, _PR_MD_PIPEAVAILABLE(fd));
 	return rv;		
 }
+#else
+static PRInt32 PR_CALLBACK PipeAvailable(PRFileDesc *fd)
+{
+    PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+    return -1;
+}
+
+static PRInt64 PR_CALLBACK PipeAvailable64(PRFileDesc *fd)
+{
+    PRInt64 rv;
+    LL_I2L(rv, -1);
+    PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+    return rv;
+}
 #endif
 
+static PRStatus PR_CALLBACK PipeSync(PRFileDesc *fd)
+{
+#if defined(XP_MAC)
+#pragma unused (fd)
+#endif
+
+	return PR_SUCCESS;
+}
+
 static PRStatus PR_CALLBACK FileInfo(PRFileDesc *fd, PRFileInfo *info)
 {
 	PRInt32 rv;
@@ -283,14 +306,9 @@ static PRIOMethods _pr_pipeMethods = {
     FileClose,
     FileRead,
     FileWrite,
-#ifdef WIN32
-    FileAvailable,
-    FileAvailable64,
-#else
     PipeAvailable,
     PipeAvailable64,
-#endif
-    FileSync,
+    PipeSync,
     (PRSeekFN)_PR_InvalidInt,
     (PRSeek64FN)_PR_InvalidInt64,
     (PRFileInfoFN)_PR_InvalidStatus,
@@ -322,6 +340,11 @@ static PRIOMethods _pr_pipeMethods = {
     (PRReservedFN)_PR_InvalidInt
 };
 
+PR_IMPLEMENT(const PRIOMethods*) PR_GetPipeMethods(void)
+{
+    return &_pr_pipeMethods;
+}
+
 PR_IMPLEMENT(PRFileDesc*) PR_Open(const char *name, PRIntn flags, PRIntn mode)
 {
     PRInt32 osfd;
diff --git a/mozilla/nsprpub/pr/src/md/windows/ntio.c b/mozilla/nsprpub/pr/src/md/windows/ntio.c
index 201bee2fc66..1b60a380b8e 100644
--- a/mozilla/nsprpub/pr/src/md/windows/ntio.c
+++ b/mozilla/nsprpub/pr/src/md/windows/ntio.c
@@ -2475,6 +2475,16 @@ _PR_MD_SOCKETAVAILABLE(PRFileDesc *fd)
     return result;
 }
 
+PRInt32
+_PR_MD_PIPEAVAILABLE(PRFileDesc *fd)
+{
+    if (NULL == fd)
+		PR_SetError(PR_BAD_DESCRIPTOR_ERROR, 0);
+	else
+		PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+    return -1;
+}
+
 PROffset32
 _PR_MD_LSEEK(PRFileDesc *fd, PROffset32 offset, int whence)
 {
diff --git a/mozilla/nsprpub/pr/src/md/windows/w95io.c b/mozilla/nsprpub/pr/src/md/windows/w95io.c
index c2553fc7bfa..6e969a987b5 100644
--- a/mozilla/nsprpub/pr/src/md/windows/w95io.c
+++ b/mozilla/nsprpub/pr/src/md/windows/w95io.c
@@ -923,3 +923,12 @@ _PR_MD_UNLOCKFILE(PRInt32 f)
     }
 } /* end _PR_MD_UNLOCKFILE() */
 
+PRInt32
+_PR_MD_PIPEAVAILABLE(PRFileDesc *fd)
+{
+    if (NULL == fd)
+		PR_SetError(PR_BAD_DESCRIPTOR_ERROR, 0);
+	else
+		PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+    return -1;
+}
diff --git a/mozilla/nsprpub/pr/src/pthreads/ptio.c b/mozilla/nsprpub/pr/src/pthreads/ptio.c
index accca747a34..f65dbdccce0 100644
--- a/mozilla/nsprpub/pr/src/pthreads/ptio.c
+++ b/mozilla/nsprpub/pr/src/pthreads/ptio.c
@@ -2915,7 +2915,7 @@ static PRIOMethods _pr_pipe_methods = {
     pt_Write,
     pt_Available_s,
     pt_Available64_s,
-    pt_Fsync,
+    pt_Synch,
     (PRSeekFN)_PR_InvalidInt,
     (PRSeek64FN)_PR_InvalidInt64,
     (PRFileInfoFN)_PR_InvalidStatus,
@@ -3133,7 +3133,7 @@ PR_IMPLEMENT(const PRIOMethods*) PR_GetFileMethods()
 PR_IMPLEMENT(const PRIOMethods*) PR_GetPipeMethods()
 {
     return &_pr_pipe_methods;
-}  /* PR_GetFileMethods */
+}  /* PR_GetPipeMethods */
 
 PR_IMPLEMENT(const PRIOMethods*) PR_GetTCPMethods()
 {