summaryrefslogtreecommitdiff
path: root/sys/src/cmd/python/Python/thread_lwp.h
diff options
context:
space:
mode:
authorOri Bernstein <ori@eigenstate.org>2021-06-14 00:00:37 +0000
committerOri Bernstein <ori@eigenstate.org>2021-06-14 00:00:37 +0000
commita73a964e51247ed169d322c725a3a18859f109a3 (patch)
tree3f752d117274d444bda44e85609aeac1acf313f3 /sys/src/cmd/python/Python/thread_lwp.h
parente64efe273fcb921a61bf27d33b230c4e64fcd425 (diff)
python, hg: tow outside the environment.
they've served us well, and can ride off into the sunset.
Diffstat (limited to 'sys/src/cmd/python/Python/thread_lwp.h')
-rw-r--r--sys/src/cmd/python/Python/thread_lwp.h149
1 files changed, 0 insertions, 149 deletions
diff --git a/sys/src/cmd/python/Python/thread_lwp.h b/sys/src/cmd/python/Python/thread_lwp.h
deleted file mode 100644
index e93d65aa3..000000000
--- a/sys/src/cmd/python/Python/thread_lwp.h
+++ /dev/null
@@ -1,149 +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;
-}
-
-static void do_PyThread_exit_thread(int no_cleanup)
-{
- dprintf(("PyThread_exit_thread called\n"));
- if (!initialized)
- if (no_cleanup)
- _exit(0);
- else
- exit(0);
- lwp_destroy(SELF);
-}
-
-void PyThread_exit_thread(void)
-{
- do_PyThread_exit_thread(0);
-}
-
-void PyThread__exit_thread(void)
-{
- do_PyThread_exit_thread(1);
-}
-
-#ifndef NO_EXIT_PROG
-static void do_PyThread_exit_prog(int status, int no_cleanup)
-{
- dprintf(("PyThread_exit_prog(%d) called\n", status));
- if (!initialized)
- if (no_cleanup)
- _exit(status);
- else
- exit(status);
- pod_exit(status);
-}
-
-void PyThread_exit_prog(int status)
-{
- do_PyThread_exit_prog(status, 0);
-}
-
-void PyThread__exit_prog(int status)
-{
- do_PyThread_exit_prog(status, 1);
-}
-#endif /* NO_EXIT_PROG */
-
-/*
- * 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);
-}