tlibthread: rm OpenBSD.c - plan9port - [fork] Plan 9 from user space
HTML git clone git://src.adamsgaard.dk/plan9port
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit d15607b9ddd9872b48fe3ac8c68f9637044be310
DIR parent 57157d856e4bf66326771e8036062eb6881280ca
HTML Author: Russ Cox <rsc@swtch.com>
Date: Sun, 19 Jan 2020 20:51:28 -0500
libthread: rm OpenBSD.c
This should have been deleted in 20f5692b (2012-07-14),
which removed the mkfile and sysofiles.sh references to it.
Diffstat:
D src/libthread/OpenBSD.c | 145 -------------------------------
1 file changed, 0 insertions(+), 145 deletions(-)
---
DIR diff --git a/src/libthread/OpenBSD.c b/src/libthread/OpenBSD.c
t@@ -1,145 +0,0 @@
-#include "threadimpl.h"
-#include "BSD.c"
-
-#include <dlfcn.h>
-
-struct thread_tag {
- struct thread_tag *next;
- spinlock_t l;
- volatile int key;
- void *data;
-};
-
-static spinlock_t mlock;
-static spinlock_t dl_lock;
-static spinlock_t tag_lock;
-static struct thread_tag *thread_tag_store = nil;
-static uint nextkey = 0;
-
-void
-_thread_malloc_lock(void)
-{
- _spinlock(&mlock);
-}
-
-void
-_thread_malloc_unlock(void)
-{
- _spinunlock(&mlock);
-}
-
-void
-_thread_malloc_init(void)
-{
-}
-
-/*
- * for ld.so
- */
-void
-_thread_dl_lock(int t)
-{
- if(t)
- _spinunlock(&dl_lock);
- else
- _spinlock(&dl_lock);
-}
-
-/*
- * for libc
- */
-static void
-_thread_tag_init(void **tag)
-{
- struct thread_tag *t;
-
- _spinlock(&tag_lock);
- if(*tag == nil) {
- t = malloc(sizeof (*t));
- if(t != nil) {
- memset(&t->l, 0, sizeof(t->l));
- t->key = nextkey++;
- *tag = t;
- }
- }
- _spinunlock(&tag_lock);
-}
-
-void
-_thread_tag_lock(void **tag)
-{
- struct thread_tag *t;
-
- if(*tag == nil)
- _thread_tag_init(tag);
- t = *tag;
- _spinlock(&t->l);
-}
-
-void
-_thread_tag_unlock(void **tag)
-{
- struct thread_tag *t;
-
- if(*tag == nil)
- _thread_tag_init(tag);
- t = *tag;
- _spinunlock(&t->l);
-}
-
-static void *
-_thread_tag_insert(struct thread_tag *t, void *v)
-{
- t->data = v;
- t->next = thread_tag_store;
- thread_tag_store = t;
- return t;
-}
-
-static void *
-_thread_tag_lookup(struct thread_tag *tag, int size)
-{
- struct thread_tag *t;
- void *p;
-
- _spinlock(&tag->l);
- for(t = thread_tag_store; t != nil; t = t->next)
- if(t->key == tag->key)
- break;
- if(t == nil) {
- p = malloc(size);
- if(p == nil) {
- _spinunlock(&tag->l);
- return nil;
- }
- _thread_tag_insert(tag, p);
- }
- _spinunlock(&tag->l);
- return tag->data;
-}
-
-void *
-_thread_tag_storage(void **tag, void *storage, size_t n, void *err)
-{
- struct thread_tag *t;
- void *r;
-
- if(*tag == nil)
- _thread_tag_init(tag);
- t = *tag;
-
- r = _thread_tag_lookup(t, n);
- if(r == nil)
- r = err;
- else
- memcpy(r, storage, n);
- return r;
-}
-
-void
-_pthreadinit(void)
-{
- __isthreaded = 1;
- dlctl(nil, DL_SETTHREADLCK, _thread_dl_lock);
- signal(SIGUSR2, sigusr2handler);
-}