diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/libthread/pthread.c | 17 | ||||
-rw-r--r-- | src/libthread/sysofiles.sh | 4 | ||||
-rw-r--r-- | src/libthread/threadimpl.h | 1 | ||||
-rw-r--r-- | src/mkhdr | 2 |
4 files changed, 21 insertions, 3 deletions
diff --git a/src/libthread/pthread.c b/src/libthread/pthread.c index dbeda7e4..31cc12e1 100644 --- a/src/libthread/pthread.c +++ b/src/libthread/pthread.c @@ -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); } diff --git a/src/libthread/sysofiles.sh b/src/libthread/sysofiles.sh index 802faf76..a7af0f5b 100644 --- a/src/libthread/sysofiles.sh +++ b/src/libthread/sysofiles.sh @@ -1,6 +1,8 @@ #!/bin/sh -tag="$OBJTYPE-$SYSNAME-`uname -r`-${CC9:-cc}" +test -f $PLAN9/config && . $PLAN9/config + +tag="$OBJTYPE-$SYSNAME-${SYSVERSION:-`uname -r`}-${CC9:-cc}" case "$tag" in *-Linux-2.6.*) echo pthread.o diff --git a/src/libthread/threadimpl.h b/src/libthread/threadimpl.h index 842b81d8..cb5b0168 100644 --- a/src/libthread/threadimpl.h +++ b/src/libthread/threadimpl.h @@ -6,6 +6,7 @@ #include <sched.h> #include <signal.h> #include <ucontext.h> +#include <sys/utsname.h> #include "libc.h" #include "thread.h" @@ -7,8 +7,6 @@ OBJTYPE=`uname -m | sed ' s;ppc64;power;g; s;ppc;power;g'` -SYSVERSION=`uname -r` - BIN=$PLAN9/bin LIBDIR=$PLAN9/lib |