From 15ecf716d38217d00af04f4dff724fb849fc257a Mon Sep 17 00:00:00 2001
From: sof <unknown>
Date: Fri, 14 Mar 1997 05:17:32 +0000
Subject: [PATCH] [project @ 1997-03-14 05:17:06 by sof] FILE objects are now
StgForeignPtrs
---
ghc/lib/cbits/Makefile | 67 +++++++++++++++-------------------
ghc/lib/cbits/closeFile.lc | 7 +++-
ghc/lib/cbits/fileEOF.lc | 2 +-
ghc/lib/cbits/fileGetc.lc | 2 +-
ghc/lib/cbits/fileLookAhead.lc | 2 +-
ghc/lib/cbits/filePosn.lc | 4 +-
ghc/lib/cbits/filePutc.lc | 2 +-
ghc/lib/cbits/fileSize.lc | 2 +-
ghc/lib/cbits/flushFile.lc | 2 +-
ghc/lib/cbits/getBufferMode.lc | 2 +-
ghc/lib/cbits/getLock.lc | 12 +++---
ghc/lib/cbits/inputReady.lc | 2 +-
ghc/lib/cbits/readFile.lc | 6 +--
ghc/lib/cbits/seekFile.lc | 4 +-
ghc/lib/cbits/setBuffering.lc | 2 +-
ghc/lib/cbits/stgio.h | 47 +++++++++++++-----------
ghc/lib/cbits/writeFile.lc | 2 +-
17 files changed, 84 insertions(+), 83 deletions(-)
diff --git a/ghc/lib/cbits/Makefile b/ghc/lib/cbits/Makefile
index 9266c58ba6d4..c9fecc4e33e2 100644
--- a/ghc/lib/cbits/Makefile
+++ b/ghc/lib/cbits/Makefile
@@ -1,37 +1,30 @@
-# $Id: Makefile,v 1.2 1996/11/21 16:47:46 simonm Exp $
-
-TOP = ../../..
-UnlitSuffixRules = YES
-include $(TOP)/ghc/mk/ghc.mk
-
-ARCHIVE=libHS_cbits.a
-DESTDIR=$(INSTLIBDIR_GHC)
-
-SRCS=\
-closeFile.lc createDirectory.lc \
-errno.lc fileEOF.lc \
-fileGetc.lc fileLookAhead.lc \
-filePosn.lc filePutc.lc \
-fileSize.lc flushFile.lc \
-getBufferMode.lc getCurrentDirectory.lc \
-getDirectoryContents.lc getLock.lc \
-inputReady.lc openFile.lc \
-readFile.lc removeDirectory.lc \
-removeFile.lc renameDirectory.lc \
-renameFile.lc seekFile.lc \
-setBuffering.lc setCurrentDirectory.lc \
-system.lc writeFile.lc
-
-LIBOBJS = $(patsubst %.lc, %.o, $(SRCS))
-
-%.o : %.c
- @$(RM) $@
- $(GHC) $(GHCFLAGS) -c $< -o $@
-
-clean ::
- $(RM) $(SRCS:.lc=.c)
-
-C_DEP_SRCS = $(SRCS)
-MKDEPENDC_OPTS = -I$(GHC_INCLUDES)
-
-include $(TOP)/mk/lib.mk
+# $Id: Makefile,v 1.3 1997/03/14 05:17:06 sof Exp $
+
+TOP = ../..
+include $(TOP)/mk/boilerplate.mk
+WAYS=
+
+LIBRARY=libHS_cbits.a
+INSTALL_LIBS+=$(LIBRARY)
+
+SRCS= $(wildcard *.lc)
+
+C_SRCS = $(SRCS:.lc=.c)
+C_OBJS = $(C_SRCS:.c=.o)
+LIBOBJS = $(C_OBJS)
+SRC_CC_OPTS = -I$(GHC_INCLUDE_DIR)
+
+#
+# Compile the files using the Haskell compiler (ghc really).
+#
+CC=$(HC)
+
+#
+# Remove the intermediate .c files
+# (the .o's will be removed automatically by default mk setup)
+#
+CLEAN_FILES += $(C_SRCS)
+
+SRC_MKDEPENDC_OPTS += -I$(GHC_INCLUDE_DIR)
+
+include $(TOP)/mk/target.mk
diff --git a/ghc/lib/cbits/closeFile.lc b/ghc/lib/cbits/closeFile.lc
index f3efb3488de6..9f4c80eb8d28 100644
--- a/ghc/lib/cbits/closeFile.lc
+++ b/ghc/lib/cbits/closeFile.lc
@@ -10,11 +10,14 @@
StgInt
closeFile(fp)
-StgAddr fp;
+StgForeignObj fp;
{
int rc;
- unlockFile(fileno((FILE *) fp));
+ if (unlockFile(fileno((FILE *) fp))) {
+ /* If it has been unlocked, don't bother fclose()ing */
+ return 0;
+ }
while ((rc = fclose((FILE *) fp)) != 0) {
if (errno != EINTR) {
diff --git a/ghc/lib/cbits/fileEOF.lc b/ghc/lib/cbits/fileEOF.lc
index 81128d4d9cc4..cdd3eb20cf2c 100644
--- a/ghc/lib/cbits/fileEOF.lc
+++ b/ghc/lib/cbits/fileEOF.lc
@@ -10,7 +10,7 @@
StgInt
fileEOF(fp)
-StgAddr fp;
+StgForeignObj fp;
{
if (fileLookAhead(fp) != EOF)
return 0;
diff --git a/ghc/lib/cbits/fileGetc.lc b/ghc/lib/cbits/fileGetc.lc
index 336c0d9a7c18..131c956364af 100644
--- a/ghc/lib/cbits/fileGetc.lc
+++ b/ghc/lib/cbits/fileGetc.lc
@@ -11,7 +11,7 @@
StgInt
fileGetc(fp)
-StgAddr fp;
+StgForeignObj fp;
{
int c;
diff --git a/ghc/lib/cbits/fileLookAhead.lc b/ghc/lib/cbits/fileLookAhead.lc
index df0d332ca72b..91a172251d62 100644
--- a/ghc/lib/cbits/fileLookAhead.lc
+++ b/ghc/lib/cbits/fileLookAhead.lc
@@ -10,7 +10,7 @@
StgInt
fileLookAhead(fp)
-StgAddr fp;
+StgForeignObj fp;
{
int c;
diff --git a/ghc/lib/cbits/filePosn.lc b/ghc/lib/cbits/filePosn.lc
index 826c4f48b311..7a0d7907b80a 100644
--- a/ghc/lib/cbits/filePosn.lc
+++ b/ghc/lib/cbits/filePosn.lc
@@ -10,7 +10,7 @@
StgInt
getFilePosn(fp)
-StgAddr fp;
+StgForeignObj fp;
{
StgInt posn;
@@ -29,7 +29,7 @@ StgAddr fp;
StgInt
setFilePosn(fp, posn)
-StgAddr fp;
+StgForeignObj fp;
StgInt posn;
{
while (fseek((FILE *) fp, posn, SEEK_SET) != 0) {
diff --git a/ghc/lib/cbits/filePutc.lc b/ghc/lib/cbits/filePutc.lc
index bca57bafbeec..4e6b85bb04e4 100644
--- a/ghc/lib/cbits/filePutc.lc
+++ b/ghc/lib/cbits/filePutc.lc
@@ -11,7 +11,7 @@
StgInt
filePutc(fp, c)
-StgAddr fp;
+StgForeignObj fp;
StgInt c;
{
int rc;
diff --git a/ghc/lib/cbits/fileSize.lc b/ghc/lib/cbits/fileSize.lc
index ed3da3c77acd..34348feedf83 100644
--- a/ghc/lib/cbits/fileSize.lc
+++ b/ghc/lib/cbits/fileSize.lc
@@ -18,7 +18,7 @@
StgInt
fileSize(fp, result)
-StgAddr fp;
+StgForeignObj fp;
StgByteArray result;
{
struct stat sb;
diff --git a/ghc/lib/cbits/flushFile.lc b/ghc/lib/cbits/flushFile.lc
index 68aa4456c514..6cfd484e741e 100644
--- a/ghc/lib/cbits/flushFile.lc
+++ b/ghc/lib/cbits/flushFile.lc
@@ -10,7 +10,7 @@
StgInt
flushFile(fp)
-StgAddr fp;
+StgForeignObj fp;
{
int rc;
diff --git a/ghc/lib/cbits/getBufferMode.lc b/ghc/lib/cbits/getBufferMode.lc
index 0c6bb44b7053..cb0b9840d2a2 100644
--- a/ghc/lib/cbits/getBufferMode.lc
+++ b/ghc/lib/cbits/getBufferMode.lc
@@ -28,7 +28,7 @@
StgInt
getBufferMode(fp)
-StgAddr fp;
+StgForeignObj fp;
{
struct stat sb;
diff --git a/ghc/lib/cbits/getLock.lc b/ghc/lib/cbits/getLock.lc
index f39014e25e0d..1ed0dbf7eedf 100644
--- a/ghc/lib/cbits/getLock.lc
+++ b/ghc/lib/cbits/getLock.lc
@@ -85,18 +85,18 @@ int exclusive;
return 0;
}
-void
+int
unlockFile(fd)
int fd;
{
- int i;
+ int i, rc;
for (i = 0; i < readLocks; i++)
if (readLock[i].fd == fd) {
while (++i < readLocks)
readLock[i - 1] = readLock[i];
readLocks--;
- return;
+ return 0;
}
for (i = 0; i < writeLocks; i++)
@@ -104,13 +104,15 @@ int fd;
while (++i < writeLocks)
writeLock[i - 1] = writeLock[i];
writeLocks--;
- return;
+ return 0;
}
+ /* Signal that we did not find an entry */
+ return 1;
}
StgInt
getLock(fp, exclusive)
-StgAddr fp;
+StgForeignObj fp;
StgInt exclusive;
{
if (lockFile(fileno((FILE *) fp), exclusive) < 0) {
diff --git a/ghc/lib/cbits/inputReady.lc b/ghc/lib/cbits/inputReady.lc
index fc8184e994d9..7e62f31eec1b 100644
--- a/ghc/lib/cbits/inputReady.lc
+++ b/ghc/lib/cbits/inputReady.lc
@@ -22,7 +22,7 @@
StgInt
inputReady(fp)
-StgAddr fp;
+StgForeignObj fp;
{
int flags;
int c;
diff --git a/ghc/lib/cbits/readFile.lc b/ghc/lib/cbits/readFile.lc
index 2b649e3dbd57..0cc9c2c7b931 100644
--- a/ghc/lib/cbits/readFile.lc
+++ b/ghc/lib/cbits/readFile.lc
@@ -13,7 +13,7 @@
StgInt
readBlock(buf, fp, size)
StgAddr buf;
-StgAddr fp;
+StgForeignObj fp;
StgInt size;
{
int count;
@@ -43,7 +43,7 @@ StgInt size;
StgInt
readLine(buf, fp, size)
StgAddr buf;
-StgAddr fp;
+StgForeignObj fp;
StgInt size;
{
if (feof((FILE *) fp)) {
@@ -70,7 +70,7 @@ StgInt size;
StgInt
readChar(fp)
-StgAddr fp;
+StgForeignObj fp;
{
int c;
diff --git a/ghc/lib/cbits/seekFile.lc b/ghc/lib/cbits/seekFile.lc
index caff60701875..48c0cf7d3b91 100644
--- a/ghc/lib/cbits/seekFile.lc
+++ b/ghc/lib/cbits/seekFile.lc
@@ -18,7 +18,7 @@
StgInt
seekFile(fp, whence, size, d)
-StgAddr fp;
+StgForeignObj fp;
StgInt whence;
StgInt size;
StgByteArray d;
@@ -106,7 +106,7 @@ StgByteArray d;
StgInt
seekFileP(fp)
-StgAddr fp;
+StgForeignObj fp;
{
struct stat sb;
diff --git a/ghc/lib/cbits/setBuffering.lc b/ghc/lib/cbits/setBuffering.lc
index ffccf70ca0df..0169b50ce2f2 100644
--- a/ghc/lib/cbits/setBuffering.lc
+++ b/ghc/lib/cbits/setBuffering.lc
@@ -30,7 +30,7 @@
StgInt
setBuffering(fp, size)
-StgAddr fp;
+StgForeignObj fp;
StgInt size;
{
int flags;
diff --git a/ghc/lib/cbits/stgio.h b/ghc/lib/cbits/stgio.h
index 791323769ad3..82b223f9cd9c 100644
--- a/ghc/lib/cbits/stgio.h
+++ b/ghc/lib/cbits/stgio.h
@@ -1,14 +1,14 @@
#ifndef STGIO_H
#define STGIO_H
-/* Decls for routines in ghc/runtime/io/ only used there.
+/* Decls for routines in ghc/lib/cbits/ only used there.
* This file is used when compiling the Haskell library
* that _ccalls_ those routines; and when compiling those
* routines (to check consistency).
*/
/* closeFile.lc */
-StgInt closeFile PROTO((StgAddr));
+StgInt closeFile PROTO((StgForeignObj));
/* createDirectory.lc */
StgInt createDirectory PROTO((StgByteArray));
@@ -30,29 +30,28 @@ void stdErrno(STG_NO_ARGS);
int execvpe PROTO((char *, char **, char **));
/* fileEOF.lc */
-StgInt fileEOF PROTO((StgAddr));
-
+StgInt fileEOF PROTO((StgForeignObj));
/* fileGetc.lc */
-StgInt fileGetc PROTO((StgAddr));
+StgInt fileGetc PROTO((StgForeignObj));
/* fileLookAhead.lc */
-StgInt fileLookAhead PROTO((StgAddr));
+StgInt fileLookAhead PROTO((StgForeignObj));
/* filePosn.lc */
-StgInt getFilePosn PROTO((StgAddr));
-StgInt setFilePosn PROTO((StgAddr, StgInt));
+StgInt getFilePosn PROTO((StgForeignObj));
+StgInt setFilePosn PROTO((StgForeignObj, StgInt));
/* filePutc.lc */
-StgInt filePutc PROTO((StgAddr, StgInt));
+StgInt filePutc PROTO((StgForeignObj, StgInt));
/* fileSize.lc */
-StgInt fileSize PROTO((StgAddr, StgByteArray));
+StgInt fileSize PROTO((StgForeignObj, StgByteArray));
/* flushFile.lc */
-StgInt flushFile PROTO((StgAddr));
+StgInt flushFile PROTO((StgForeignObj));
/* getBufferMode.lc */
-StgInt getBufferMode PROTO((StgAddr));
+StgInt getBufferMode PROTO((StgForeignObj));
/* getClockTime.lc */
StgInt getClockTime PROTO((StgByteArray, StgByteArray));
@@ -68,19 +67,23 @@ StgAddr getDirectoryContents PROTO((StgByteArray));
/* getLock.lc */
int lockFile PROTO((int, int));
-void unlockFile PROTO((int));
-StgInt getLock PROTO((StgAddr, StgInt));
+int unlockFile PROTO((int));
+StgInt getLock PROTO((StgForeignObj, StgInt));
/* inputReady.lc */
-StgInt inputReady PROTO((StgAddr));
+StgInt inputReady PROTO((StgForeignObj));
/* openFile.lc */
StgAddr openFile PROTO((StgByteArray, StgByteArray));
+/* freeFile.lc */
+void freeStdChannel PROTO((StgForeignObj));
+void freeFile PROTO((StgForeignObj));
+
/* readFile.lc */
-StgInt readBlock PROTO((StgAddr, StgAddr, StgInt));
-StgInt readLine PROTO((StgAddr, StgAddr, StgInt));
-StgInt readChar PROTO((StgAddr));
+StgInt readBlock PROTO((StgAddr, StgForeignObj, StgInt));
+StgInt readLine PROTO((StgAddr, StgForeignObj, StgInt));
+StgInt readChar PROTO((StgForeignObj));
/* removeDirectory.lc */
StgInt removeDirectory PROTO((StgByteArray));
@@ -95,11 +98,11 @@ StgInt renameDirectory PROTO((StgByteArray, StgByteArray));
StgInt renameFile PROTO((StgByteArray, StgByteArray));
/* seekFile.lc */
-StgInt seekFile PROTO((StgAddr, StgInt, StgInt, StgByteArray));
-StgInt seekFileP PROTO((StgAddr));
+StgInt seekFile PROTO((StgForeignObj, StgInt, StgInt, StgByteArray));
+StgInt seekFileP PROTO((StgForeignObj));
/* setBuffering.lc */
-StgInt setBuffering PROTO((StgAddr, StgInt));
+StgInt setBuffering PROTO((StgForeignObj, StgInt));
/* setCurrentDirectory.lc */
StgInt setCurrentDirectory PROTO((StgByteArray));
@@ -120,6 +123,6 @@ StgAddr toUTCTime PROTO((StgInt, StgByteArray, StgByteArray));
StgAddr toClockSec PROTO((StgInt, StgInt, StgInt, StgInt, StgInt, StgInt, StgInt, StgByteArray));
/* writeFile.lc */
-StgInt writeFile PROTO((StgAddr, StgAddr, StgInt));
+StgInt writeFile PROTO((StgAddr, StgForeignObj, StgInt));
#endif /* ! STGIO_H */
diff --git a/ghc/lib/cbits/writeFile.lc b/ghc/lib/cbits/writeFile.lc
index 6981bf128ca2..71c7b0df173e 100644
--- a/ghc/lib/cbits/writeFile.lc
+++ b/ghc/lib/cbits/writeFile.lc
@@ -11,7 +11,7 @@
StgInt
writeFile(buf, fp, bytes)
StgAddr buf;
-StgAddr fp;
+StgForeignObj fp;
StgInt bytes;
{
int count;
--
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