mirror of
https://github.com/gnustep/libs-base.git
synced 2025-05-31 08:41:03 +00:00
Zone stuff
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@3069 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
richard
parent
5e02efeb1d
commit
99129c437a
21 changed files with 1706 additions and 987 deletions
329
Source/NSData.m
329
Source/NSData.m
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@ -94,7 +94,7 @@
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static BOOL
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readContentsOfFile(NSString* path, void** buf, unsigned* len)
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readContentsOfFile(NSString* path, void** buf, unsigned* len, NSZone* zone)
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{
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char thePath[BUFSIZ*2];
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FILE *theFile = 0;
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@ -133,7 +133,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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goto failure;
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}
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tmp = objc_malloc(fileLength);
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tmp = NSZoneMalloc(zone, fileLength);
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if (tmp == 0)
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{
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NSLog(@"Malloc failed for file of length %d- %s",
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@ -165,7 +165,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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/* Just in case the failure action needs to be changed. */
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failure:
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if (tmp)
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objc_free(tmp);
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NSZoneFree(zone, tmp);
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if (theFile)
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fclose(theFile);
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return NO;
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@ -176,6 +176,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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{
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unsigned int length;
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void *bytes;
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NSZone *zone;
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}
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@end
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@ -184,6 +185,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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unsigned int capacity;
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unsigned int length;
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void *bytes;
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NSZone *zone;
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}
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@end
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@ -261,18 +263,29 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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length: [data length]] autorelease];
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}
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- (id) initWithBytes: (const void*)bytes
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length: (unsigned int)length
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- (id) init
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{
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return [self initWithBytesNoCopy: 0 length: 0];
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}
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- (id) initWithBytes: (const void*)aBuffer
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length: (unsigned int)bufferSize
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{
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[self subclassResponsibility:_cmd];
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return nil;
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}
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- (id) initWithBytesNoCopy: (void*)bytes
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length: (unsigned int)length
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- (id) initWithBytesNoCopy: (void*)aBuffer
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length: (unsigned int)bufferSize
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{
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[self subclassResponsibility:_cmd];
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return nil;
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if (aBuffer)
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return [self initWithBytesNoCopy: aBuffer
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length: bufferSize
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fromZone: NSZoneFromPointer(aBuffer)];
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else
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return [self initWithBytesNoCopy: aBuffer
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length: bufferSize
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fromZone: [self zone]];
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}
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- (id) initWithContentsOfFile: (NSString *)path
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@ -308,11 +321,12 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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char *dest;
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int length = [self length];
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int i,j;
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NSZone *z = [self zone];
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#define num2char(num) ((num) < 0xa ? ((num)+'0') : ((num)+0x57))
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/* we can just build a cString and convert it to an NSString */
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dest = (char*) objc_malloc (2*length+length/4+3);
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dest = (char*) NSZoneMalloc(z, 2*length+length/4+3);
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if (dest == 0)
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[NSException raise:NSMallocException
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format:@"No memory for description of NSData object"];
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@ -327,8 +341,8 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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}
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dest[j++] = '>';
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dest[j] = '\0';
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str = [NSString stringWithCString: dest];
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objc_free(dest);
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str = [[[NSString alloc] initWithCStringNoCopy: dest length: j fromZone: z]
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autorelease];
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return str;
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}
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@ -384,7 +398,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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format: @"Range: (%u, %u) Size: %d",
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aRange.location, aRange.length, l];
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buffer = objc_malloc(aRange.length);
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buffer = NSZoneMalloc([self zone], aRange.length);
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if (buffer == 0)
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[NSException raise:NSMallocException
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format:@"No memory for subdata of NSData object"];
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@ -554,7 +568,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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else {
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unsigned len = (length+1)*sizeof(char);
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*(char**)data = (char*)objc_malloc(len);
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*(char**)data = (char*)NSZoneMalloc([self zone], len);
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adr = [NSData dataWithBytesNoCopy: *(void**)data length: len];
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}
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@ -605,7 +619,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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unsigned len = objc_sizeof_type(++type);
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id adr;
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*(char**)data = (char*)objc_malloc(len);
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*(char**)data = (char*)NSZoneMalloc([self zone], len);
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adr = [NSData dataWithBytesNoCopy: *(void**)data length: len];
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[self deserializeDataAt:*(char**)data
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@ -780,9 +794,16 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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autorelease];
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}
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- (id) initWithBytesNoCopy: (void*)bytes
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length: (unsigned)length
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fromZone: (NSZone*)zone
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{
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[self subclassResponsibility:_cmd];
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}
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- (void*) relinquishAllocatedBytes
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{
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return 0; /* No data from objc_malloc - return nul pointer */
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return 0; /* No data from NSZoneMalloc - return nul pointer */
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}
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@end
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@ -1171,7 +1192,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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{
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if (bytes)
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{
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objc_free(bytes);
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NSZoneFree(zone, bytes);
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bytes = 0;
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length = 0;
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}
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@ -1180,13 +1201,13 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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- (void) encodeWithCoder: (NSCoder*)aCoder
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{
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[aCoder encodeValueOfObjCType:"I" at: &length];
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[aCoder encodeArrayOfObjCType:"C" count:length at: bytes];
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[aCoder encodeValueOfObjCType: @encode(unsigned long) at: &length];
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[aCoder encodeArrayOfObjCType: @encode(unsigned char) count:length at: bytes];
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}
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- (id) init
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{
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return [self initWithBytesNoCopy: 0 length: 0];
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return [self initWithBytesNoCopy: 0 length: 0 fromZone: [self zone]];
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}
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- (id) initWithBytes: (const void*)aBuffer length: (unsigned int)bufferSize
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@ -1195,7 +1216,8 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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if (aBuffer != 0 && bufferSize > 0)
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{
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tmp = objc_malloc(bufferSize);
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zone = [self zone];
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tmp = NSZoneMalloc(zone, bufferSize);
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if (tmp == 0)
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{
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NSLog(@"[NSDataMalloc -initWithBytes:length:] unable to allocate %lu bytes", bufferSize);
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@ -1207,23 +1229,37 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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memcpy(tmp, aBuffer, bufferSize);
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}
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}
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self = [self initWithBytesNoCopy:tmp length:bufferSize];
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self = [self initWithBytesNoCopy:tmp length:bufferSize fromZone: zone];
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return self;
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}
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- (id) initWithBytesNoCopy: (void*)aBuffer
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length: (unsigned int)bufferSize
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{
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self = [super init];
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if (self)
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NSZone *z = NSZoneFromPointer(aBuffer);
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return [self initWithBytesNoCopy: aBuffer length: bufferSize fromZone: z];
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}
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- (id) initWithBytesNoCopy: (void*)aBuffer
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length: (unsigned)bufferSize
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fromZone: (NSZone*)aZone
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{
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if (aZone == 0)
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{
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bytes = aBuffer;
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if (bytes)
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length = bufferSize;
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NSData *data;
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data = [[NSDataStatic alloc] initWithBytesNoCopy: aBuffer
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length: bufferSize];
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[self dealloc];
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return data;
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}
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else
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if (aBuffer)
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objc_free(aBuffer);
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zone = aZone;
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bytes = aBuffer;
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if (bytes)
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length = bufferSize;
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return self;
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}
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@ -1232,22 +1268,29 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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unsigned int l;
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void* b;
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[aCoder decodeValueOfObjCType:"I" at: &l];
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b = objc_malloc(l);
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if (b == 0)
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zone = [self zone];
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[aCoder decodeValueOfObjCType: @encode(unsigned long) at: &l];
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if (l)
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{
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NSLog(@"[NSDataMalloc -initWithCode:] unable to allocate %lu bytes", l);
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[self dealloc];
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return nil;
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b = NSZoneMalloc(zone, l);
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if (b == 0)
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{
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NSLog(@"[NSDataMalloc -initWithCoder:] unable to get %lu bytes", l);
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[self dealloc];
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return nil;
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}
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[aCoder decodeArrayOfObjCType: @encode(unsigned char) count: l at: b];
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}
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[aCoder decodeArrayOfObjCType:"C" count: l at: b];
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return [self initWithBytesNoCopy: b length: l];
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else
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b = 0;
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return [self initWithBytesNoCopy: b length: l fromZone: zone];
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}
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- (id) initWithContentsOfFile: (NSString *)path
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{
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self = [super init];
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if (readContentsOfFile(path, &bytes, &length) == NO)
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zone = [self zone];
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if (readContentsOfFile(path, &bytes, &length, zone) == NO)
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{
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[self dealloc];
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self = nil;
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@ -1269,7 +1312,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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- (id) initWithData: (NSData*)anObject
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{
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if (anObject == nil)
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return [self initWithBytesNoCopy: 0 length: 0];
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return [self initWithBytesNoCopy: 0 length: 0 fromZone: [self zone]];
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if ([anObject isKindOfClass:[NSData class]] == NO)
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{
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@ -1404,9 +1447,6 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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{
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struct shmid_ds buf;
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self = [super init];
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if (self == nil)
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return nil;
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shmid = -1;
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if (aBuffer && bufferSize)
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{
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@ -1439,10 +1479,6 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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{
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struct shmid_ds buf;
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self = [super init];
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if (self == nil)
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return nil;
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shmid = anId;
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if (shmctl(shmid, IPC_STAT, &buf) < 0)
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{
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@ -1492,9 +1528,12 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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}
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- (id) initWithBytesNoCopy: (void*)aBuffer
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length: (unsigned int)bufferSize
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length: (unsigned)bufferSize
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fromZone: (NSZone*)aZone
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{
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return [super initWithBytesNoCopy: aBuffer length: bufferSize];
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bytes = aBuffer;
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length = bufferSize;
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return self;
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}
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@end
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@ -1529,7 +1568,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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{
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if (bytes)
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{
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objc_free(bytes);
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NSZoneFree(zone, bytes);
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bytes = 0;
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length = 0;
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capacity = 0;
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@ -1539,8 +1578,8 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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- (void) encodeWithCoder: (NSCoder*)aCoder
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{
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[aCoder encodeValueOfObjCType:"I" at: &length];
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[aCoder encodeArrayOfObjCType:"C" count:length at: bytes];
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[aCoder encodeValueOfObjCType: @encode(unsigned long) at: &length];
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[aCoder encodeArrayOfObjCType: @encode(unsigned char) count:length at: bytes];
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}
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- (id) init
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@ -1565,43 +1604,55 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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- (id) initWithBytesNoCopy: (void*)aBuffer
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length: (unsigned int)bufferSize
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{
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self = [self initWithCapacity: 0];
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if (self)
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{
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bytes = aBuffer;
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if (bytes)
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{
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length = bufferSize;
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capacity = bufferSize;
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}
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}
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else
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if (aBuffer)
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objc_free(aBuffer);
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return self;
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NSZone *aZone = NSZoneFromPointer(aBuffer);
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return [self initWithBytesNoCopy: aBuffer length: bufferSize fromZone: aZone];
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}
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/*
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* THIS IS THE DESIGNATED INITIALISER
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*/
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- (id) initWithBytesNoCopy: (void*)aBuffer
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length: (unsigned)bufferSize
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fromZone: (NSZone*)aZone
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{
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if (aZone == 0)
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{
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self = [self initWithBytes: aBuffer length: bufferSize];
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return self;
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}
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if (aBuffer == 0)
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{
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self = [self initWithCapacity: bufferSize];
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if (self)
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[self setLength: bufferSize];
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return self;
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}
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zone = aZone;
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bytes = aBuffer;
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length = bufferSize;
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capacity = bufferSize;
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return self;
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}
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- (id) initWithCapacity: (unsigned)size
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{
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self = [super init];
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if (self)
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zone = [self zone];
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if (size)
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{
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if (size)
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{
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bytes = objc_malloc(size);
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if (bytes == 0)
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{
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NSLog(@"[NSMutableDataMalloc -initWithCapacity:] out of memory for %u bytes - %s", size, strerror(errno));
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[self dealloc];
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return nil;
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}
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}
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capacity = size;
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length = 0;
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bytes = NSZoneMalloc(zone, size);
|
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if (bytes == 0)
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{
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NSLog(@"[NSMutableDataMalloc -initWithCapacity:] out of memory for %u bytes - %s", size, strerror(errno));
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[self dealloc];
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return nil;
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}
|
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}
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capacity = size;
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length = 0;
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||||
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return self;
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}
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@ -1610,16 +1661,20 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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unsigned int l;
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void* b;
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||||
|
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[aCoder decodeValueOfObjCType:"I" at: &l];
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b = objc_malloc(l);
|
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if (b == 0)
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[aCoder decodeValueOfObjCType: @encode(unsigned long) at: &l];
|
||||
if (l)
|
||||
{
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NSLog(@"[NSMutableDataMalloc -initWithCode:] unable to allocate %lu bytes", l);
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[self dealloc];
|
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return nil;
|
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[self initWithCapacity: l];
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if (bytes == 0)
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||||
{
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NSLog(@"[NSMutableDataMalloc -initWithCoder:] unable to allocate %lu bytes", l);
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[self dealloc];
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return nil;
|
||||
}
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[aCoder decodeArrayOfObjCType: @encode(unsigned char) count: l at: bytes];
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length = l;
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||||
}
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[aCoder decodeArrayOfObjCType:"C" count: l at: b];
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return [self initWithBytesNoCopy: b length: l];
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return self;
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}
|
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- (id) initWithLength: (unsigned)size
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@ -1636,7 +1691,7 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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- (id) initWithContentsOfFile: (NSString *)path
|
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{
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self = [self initWithCapacity: 0];
|
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if (readContentsOfFile(path, &bytes, &length) == NO)
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if (readContentsOfFile(path, &bytes, &length, zone) == NO)
|
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{
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[self dealloc];
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self = nil;
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|
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@ -1681,9 +1736,9 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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void* tmp;
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|
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if (bytes)
|
||||
tmp = objc_realloc(bytes, size);
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tmp = NSZoneRealloc(zone, bytes, size);
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else
|
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tmp = objc_malloc(size);
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||||
tmp = NSZoneMalloc(zone, size);
|
||||
|
||||
if (tmp == 0)
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[NSException raise:NSMallocException
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|
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@ -1762,31 +1817,28 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
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struct shmid_ds buf;
|
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int e;
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||||
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self = [super initWithCapacity: 0];
|
||||
if (self)
|
||||
shmid = shmget(IPC_PRIVATE, bufferSize, IPC_CREAT|VM_ACCESS);
|
||||
if (shmid == -1) /* Created memory? */
|
||||
{
|
||||
shmid = shmget(IPC_PRIVATE, bufferSize, IPC_CREAT|VM_ACCESS);
|
||||
if (shmid == -1) /* Created memory? */
|
||||
{
|
||||
NSLog(@"[NSMutableDataShared -initWithCapacity:] shared memory get failed for %u - %s", bufferSize, strerror(errno));
|
||||
[self dealloc];
|
||||
self = [NSMutableDataMalloc alloc];
|
||||
return [self initWithCapacity: bufferSize];
|
||||
}
|
||||
|
||||
bytes = shmat(shmid, 0, 0);
|
||||
e = errno;
|
||||
if (bytes == (void*)-1)
|
||||
{
|
||||
NSLog(@"[NSMutableDataShared -initWithCapacity:] shared memory attach failed for %u - %s", bufferSize, strerror(e));
|
||||
bytes = 0;
|
||||
[self dealloc];
|
||||
self = [NSMutableDataMalloc alloc];
|
||||
return [self initWithCapacity: bufferSize];
|
||||
}
|
||||
length = 0;
|
||||
capacity = bufferSize;
|
||||
NSLog(@"[NSMutableDataShared -initWithCapacity:] shared memory get failed for %u - %s", bufferSize, strerror(errno));
|
||||
[self dealloc];
|
||||
self = [NSMutableDataMalloc alloc];
|
||||
return [self initWithCapacity: bufferSize];
|
||||
}
|
||||
|
||||
bytes = shmat(shmid, 0, 0);
|
||||
e = errno;
|
||||
if (bytes == (void*)-1)
|
||||
{
|
||||
NSLog(@"[NSMutableDataShared -initWithCapacity:] shared memory attach failed for %u - %s", bufferSize, strerror(e));
|
||||
bytes = 0;
|
||||
[self dealloc];
|
||||
self = [NSMutableDataMalloc alloc];
|
||||
return [self initWithCapacity: bufferSize];
|
||||
}
|
||||
length = 0;
|
||||
capacity = bufferSize;
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
|
|
@ -1794,33 +1846,30 @@ readContentsOfFile(NSString* path, void** buf, unsigned* len)
|
|||
{
|
||||
struct shmid_ds buf;
|
||||
|
||||
self = [super initWithCapacity: 0];
|
||||
if (self)
|
||||
shmid = anId;
|
||||
if (shmctl(shmid, IPC_STAT, &buf) < 0)
|
||||
{
|
||||
shmid = anId;
|
||||
if (shmctl(shmid, IPC_STAT, &buf) < 0)
|
||||
{
|
||||
NSLog(@"[NSMutableDataShared -initWithShmID:length:] shared memory control failed - %s", strerror(errno));
|
||||
[self dealloc]; /* Unable to access memory. */
|
||||
return nil;
|
||||
}
|
||||
if (buf.shm_segsz < bufferSize)
|
||||
{
|
||||
NSLog(@"[NSMutableDataShared -initWithShmID:length:] shared memory segment too small");
|
||||
[self dealloc]; /* Memory segment too small. */
|
||||
return nil;
|
||||
}
|
||||
bytes = shmat(shmid, 0, 0);
|
||||
if (bytes == (void*)-1)
|
||||
{
|
||||
NSLog(@"[NSMutableDataShared -initWithShmID:length:] shared memory attach failed - %s", strerror(errno));
|
||||
bytes = 0;
|
||||
[self dealloc]; /* Unable to attach to memory. */
|
||||
return nil;
|
||||
}
|
||||
length = bufferSize;
|
||||
capacity = length;
|
||||
NSLog(@"[NSMutableDataShared -initWithShmID:length:] shared memory control failed - %s", strerror(errno));
|
||||
[self dealloc]; /* Unable to access memory. */
|
||||
return nil;
|
||||
}
|
||||
if (buf.shm_segsz < bufferSize)
|
||||
{
|
||||
NSLog(@"[NSMutableDataShared -initWithShmID:length:] shared memory segment too small");
|
||||
[self dealloc]; /* Memory segment too small. */
|
||||
return nil;
|
||||
}
|
||||
bytes = shmat(shmid, 0, 0);
|
||||
if (bytes == (void*)-1)
|
||||
{
|
||||
NSLog(@"[NSMutableDataShared -initWithShmID:length:] shared memory attach failed - %s", strerror(errno));
|
||||
bytes = 0;
|
||||
[self dealloc]; /* Unable to attach to memory. */
|
||||
return nil;
|
||||
}
|
||||
length = bufferSize;
|
||||
capacity = length;
|
||||
|
||||
return self;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue