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Fix globally unique string.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@14245 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-Macdonald 2002-08-07 16:15:01 +00:00
parent 0b1c87f691
commit b19f38350c
2 changed files with 21 additions and 11 deletions
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2
ChangeLog
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@ -13,6 +13,8 @@
* Source/NSObject.m: Remove dealloc notifications hack ... the
dealloc method can now safely be used to refrain from deallocating
objects, so I don't think the hack is needed any more.
* Source/NSProcessInfo.m: ([-globallyUniqueString]) Update to ensure
uniqueness across all hosts, processes, and threads.
* Tools/gdomap.c: Tidyup patch by Matthias Klose
2002-07-29 Adam Fedor <fedor@gnu.org>

30
Source/NSProcessInfo.m
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@ -40,9 +40,8 @@
* purpose to override the autorelease, retain, and release methods.
* To Do :
* 1) To test the class on more platforms;
* 2) To change the format of the string renurned by globallyUniqueString;
* Bugs : Not known
* Last update: 22-jul-1999
* Last update: 07-aug-2002
* History : 06-aug-1995 - Birth and the first beta version (v. 0.5);
* 08-aug-1995 - V. 0.6 (tested on NS, SunOS, Solaris, OSF/1
* The use of the environ global var was changed to more
@ -589,24 +588,33 @@ int main(int argc, char *argv[], char *env[])
}
/**
* Returns a string which may be used as a unique identifier for the
* current process.
* Returns a string which may be used as a globally unique identifier.<br />
* The string contains the host name, the process ID, a timestamp and a
* counter (to ensure that multiple strings generated within the same
* process are unique).
*/
- (NSString *) globallyUniqueString
{
int pid;
static int pid = 0;
static int counter = 0;
int count;
if (pid == 0)
{
#if defined(__MINGW__)
pid = (int)GetCurrentProcessId();
pid = (int)GetCurrentProcessId();
#else
pid = (int)getpid();
pid = (int)getpid();
#endif
}
[gnustep_global_lock lock];
count = counter++;
[gnustep_global_lock unlock];
// $$$ The format of the string is not specified by the OpenStep
// specification. It could be useful to change this format after
// NeXTSTEP release 4.0 comes out.
return [NSString stringWithFormat: @"%@:%d:[%@]",
[self hostName], pid, [NSDate date]];
// specification.
return [NSString stringWithFormat: @"%@_%d_%lf_%d",
[self hostName], pid, GSTimeNow(), count];
}
/**