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allow config to override kernel version

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rsc 2005-01-17 21:30:05 +00:00
parent 38c10d1abc
commit 7a2c88509b
5 changed files with 39 additions and 3 deletions
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17
src/libthread/pthread.c
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@ -133,6 +133,23 @@ _threadsetproc(Proc *p)
void
_pthreadinit(void)
{
static struct utsname un;
pthread_t id;
if(uname(&un) < 0){
fprint(2, "warning: uname failed: %r\n");
goto Okay;
}
if(strcmp(un.sysname, "Linux") == 0){
/*
* Want to distinguish between the old LinuxThreads pthreads
* and the new NPTL implementation. NPTL uses much bigger
* thread IDs.
*/
id = pthread_self();
if(*(ulong*)&id < 1024*1024)
sysfatal("cannot use LinuxThreads as pthread library; see %s/src/libthread/README.Linux", get9root());
}
pthread_key_create(&prockey, 0);
}