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Unified Diff: Python/thread_lwp.h

Issue 11863: Enforce PEP 11 - remove support for legacy systems
Patch Set: Created 8 years, 5 months ago
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deleted file mode 100644
--- a/Python/thread_lwp.h
+++ /dev/null
@@ -1,113 +0,0 @@
-
-#include <stdlib.h>
-#include <lwp/lwp.h>
-#include <lwp/stackdep.h>
-
-#define STACKSIZE 1000 /* stacksize for a thread */
-#define NSTACKS 2 /* # stacks to be put in cache initially */
-
-struct lock {
- int lock_locked;
- cv_t lock_condvar;
- mon_t lock_monitor;
-};
-
-
-/*
- * Initialization.
- */
-static void PyThread__init_thread(void)
-{
- lwp_setstkcache(STACKSIZE, NSTACKS);
-}
-
-/*
- * Thread support.
- */
-
-
-long PyThread_start_new_thread(void (*func)(void *), void *arg)
-{
- thread_t tid;
- int success;
- dprintf(("PyThread_start_new_thread called\n"));
- if (!initialized)
- PyThread_init_thread();
- success = lwp_create(&tid, func, MINPRIO, 0, lwp_newstk(), 1, arg);
- return success < 0 ? -1 : 0;
-}
-
-long PyThread_get_thread_ident(void)
-{
- thread_t tid;
- if (!initialized)
- PyThread_init_thread();
- if (lwp_self(&tid) < 0)
- return -1;
- return tid.thread_id;
-}
-
-void PyThread_exit_thread(void)
-{
- dprintf(("PyThread_exit_thread called\n"));
- if (!initialized)
- exit(0);
- lwp_destroy(SELF);
-}
-
-/*
- * Lock support.
- */
-PyThread_type_lock PyThread_allocate_lock(void)
-{
- struct lock *lock;
- extern char *malloc(size_t);
-
- dprintf(("PyThread_allocate_lock called\n"));
- if (!initialized)
- PyThread_init_thread();
-
- lock = (struct lock *) malloc(sizeof(struct lock));
- lock->lock_locked = 0;
- (void) mon_create(&lock->lock_monitor);
- (void) cv_create(&lock->lock_condvar, lock->lock_monitor);
- dprintf(("PyThread_allocate_lock() -> %p\n", lock));
- return (PyThread_type_lock) lock;
-}
-
-void PyThread_free_lock(PyThread_type_lock lock)
-{
- dprintf(("PyThread_free_lock(%p) called\n", lock));
- mon_destroy(((struct lock *) lock)->lock_monitor);
- free((char *) lock);
-}
-
-int PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
-{
- int success;
-
- dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
- success = 0;
-
- (void) mon_enter(((struct lock *) lock)->lock_monitor);
- if (waitflag)
- while (((struct lock *) lock)->lock_locked)
- cv_wait(((struct lock *) lock)->lock_condvar);
- if (!((struct lock *) lock)->lock_locked) {
- success = 1;
- ((struct lock *) lock)->lock_locked = 1;
- }
- cv_broadcast(((struct lock *) lock)->lock_condvar);
- mon_exit(((struct lock *) lock)->lock_monitor);
- dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
- return success;
-}
-
-void PyThread_release_lock(PyThread_type_lock lock)
-{
- dprintf(("PyThread_release_lock(%p) called\n", lock));
- (void) mon_enter(((struct lock *) lock)->lock_monitor);
- ((struct lock *) lock)->lock_locked = 0;
- cv_broadcast(((struct lock *) lock)->lock_condvar);
- mon_exit(((struct lock *) lock)->lock_monitor);
-}
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