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add hg and python

cinap_lenrek committed 15 years ago

Commit 4bb9e221 parent 987265c3706 files · +1228772 −-233Browse files

Showing the changes to sys/src/cmd/python/Python/thread_cthread.h (1 of 3706 files). Show all

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sys/src/cmd/python/Python/thread_cthread.h+156−0
@@ -0,0 +1,156 @@
1+
2+#ifdef MACH_C_THREADS
3+#include <mach/cthreads.h>
4+#endif
5+
6+#ifdef HURD_C_THREADS
7+#include <cthreads.h>
8+#endif
9+
10+/*
11+ * Initialization.
12+ */
13+static void
14+PyThread__init_thread(void)
15+{
16+#ifndef HURD_C_THREADS
17+ /* Roland McGrath said this should not be used since this is
18+ done while linking to threads */
19+ cthread_init();
20+#else
21+/* do nothing */
22+ ;
23+#endif
24+}
25+
26+/*
27+ * Thread support.
28+ */
29+long
30+PyThread_start_new_thread(void (*func)(void *), void *arg)
31+{
32+ int success = 0; /* init not needed when SOLARIS_THREADS and */
33+ /* C_THREADS implemented properly */
34+
35+ dprintf(("PyThread_start_new_thread called\n"));
36+ if (!initialized)
37+ PyThread_init_thread();
38+ /* looks like solaris detaches the thread to never rejoin
39+ * so well do it here
40+ */
41+ cthread_detach(cthread_fork((cthread_fn_t) func, arg));
42+ return success < 0 ? -1 : 0;
43+}
44+
45+long
46+PyThread_get_thread_ident(void)
47+{
48+ if (!initialized)
49+ PyThread_init_thread();
50+ return (long) cthread_self();
51+}
52+
53+static void
54+do_PyThread_exit_thread(int no_cleanup)
55+{
56+ dprintf(("PyThread_exit_thread called\n"));
57+ if (!initialized)
58+ if (no_cleanup)
59+ _exit(0);
60+ else
61+ exit(0);
62+ cthread_exit(0);
63+}
64+
65+void
66+PyThread_exit_thread(void)
67+{
68+ do_PyThread_exit_thread(0);
69+}
70+
71+void
72+PyThread__exit_thread(void)
73+{
74+ do_PyThread_exit_thread(1);
75+}
76+
77+#ifndef NO_EXIT_PROG
78+static
79+void do_PyThread_exit_prog(int status, int no_cleanup)
80+{
81+ dprintf(("PyThread_exit_prog(%d) called\n", status));
82+ if (!initialized)
83+ if (no_cleanup)
84+ _exit(status);
85+ else
86+ exit(status);
87+ if (no_cleanup)
88+ _exit(status);
89+ else
90+ exit(status);
91+}
92+
93+void
94+PyThread_exit_prog(int status)
95+{
96+ do_PyThread_exit_prog(status, 0);
97+}
98+
99+void
100+PyThread__exit_prog(int status)
101+{
102+ do_PyThread_exit_prog(status, 1);
103+}
104+#endif /* NO_EXIT_PROG */
105+
106+/*
107+ * Lock support.
108+ */
109+PyThread_type_lock
110+PyThread_allocate_lock(void)
111+{
112+ mutex_t lock;
113+
114+ dprintf(("PyThread_allocate_lock called\n"));
115+ if (!initialized)
116+ PyThread_init_thread();
117+
118+ lock = mutex_alloc();
119+ if (mutex_init(lock)) {
120+ perror("mutex_init");
121+ free((void *) lock);
122+ lock = 0;
123+ }
124+ dprintf(("PyThread_allocate_lock() -> %p\n", lock));
125+ return (PyThread_type_lock) lock;
126+}
127+
128+void
129+PyThread_free_lock(PyThread_type_lock lock)
130+{
131+ dprintf(("PyThread_free_lock(%p) called\n", lock));
132+ mutex_free(lock);
133+}
134+
135+int
136+PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
137+{
138+ int success = FALSE;
139+
140+ dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
141+ if (waitflag) { /* blocking */
142+ mutex_lock((mutex_t)lock);
143+ success = TRUE;
144+ } else { /* non blocking */
145+ success = mutex_try_lock((mutex_t)lock);
146+ }
147+ dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
148+ return success;
149+}
150+
151+void
152+PyThread_release_lock(PyThread_type_lock lock)
153+{
154+ dprintf(("PyThread_release_lock(%p) called\n", lock));
155+ mutex_unlock((mutex_t )lock);
156+}