2000-11-21  Sebastian Wilhelmi  <wilhelmi@ira.uka.de>

	* configure.in: Add a surrogate for thread priorities using PID
	niceness for systems with no thread priorities and different PIDs
	for threads of the same process (most notably: Linux). Define
	G_THREAD_USE_PID_SURROGATE in that case, as used by
	gthread-posix.c. Also make the system thread bigger by
	sizeof (long) to contain the thread's PID.

	* gfileutils.c: Include stdlib.h for mkstemp prototype.

	* gthread.c: Add priority range checks to the affected functions.

	* gthreadpool.c: Remove unused variable.

	* gthread-impl.c, gthread-posix.c, gthread-solaris.c: Removed
	g_thread_map_priority function in favour of the
	g_thread_priority_map array.  Initialize the array with
	PRIORITY_{...}_VALUE, if available and interpolate beetween the
	bounds if .._NORMAL_.. and .._HIGH_.. are not available.

	* gthread-posix.c: If we should use the PID niceness as a
	surrogate for threa...