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-rw-r--r--nsprpub/pr/include/md/_pth.h71
1 files changed, 67 insertions, 4 deletions
diff --git a/nsprpub/pr/include/md/_pth.h b/nsprpub/pr/include/md/_pth.h
index 5603223a0..eeeef0438 100644
--- a/nsprpub/pr/include/md/_pth.h
+++ b/nsprpub/pr/include/md/_pth.h
@@ -14,7 +14,29 @@
#define _PR_MD_DISABLE_CLOCK_INTERRUPTS()
#define _PR_MD_ENABLE_CLOCK_INTERRUPTS()
-#if defined(BSDI)
+/* In good standards fashion, the DCE threads (based on posix-4) are not
+ * quite the same as newer posix implementations. These are mostly name
+ * changes and small differences, so macros usually do the trick
+ */
+#ifdef _PR_DCETHREADS
+#define _PT_PTHREAD_MUTEXATTR_INIT pthread_mutexattr_create
+#define _PT_PTHREAD_MUTEXATTR_DESTROY pthread_mutexattr_delete
+#define _PT_PTHREAD_MUTEX_INIT(m, a) pthread_mutex_init(&(m), a)
+#define _PT_PTHREAD_MUTEX_IS_LOCKED(m) (0 == pthread_mutex_trylock(&(m)))
+#define _PT_PTHREAD_CONDATTR_INIT pthread_condattr_create
+#define _PT_PTHREAD_COND_INIT(m, a) pthread_cond_init(&(m), a)
+#define _PT_PTHREAD_CONDATTR_DESTROY pthread_condattr_delete
+
+/* Notes about differences between DCE threads and pthreads 10:
+ * 1. pthread_mutex_trylock returns 1 when it locks the mutex
+ * 0 when it does not. The latest pthreads has a set of errno-like
+ * return values.
+ * 2. return values from pthread_cond_timedwait are different.
+ *
+ *
+ *
+ */
+#elif defined(BSDI)
/*
* Mutex and condition attributes are not supported. The attr
* argument to pthread_mutex_init() and pthread_cond_init() must
@@ -84,7 +106,13 @@
* PR_EnterMonitor calls any of these functions, infinite
* recursion ensues.
*/
-#if defined(IRIX) || defined(OSF1) || defined(AIX) || defined(SOLARIS) \
+#if defined(_PR_DCETHREADS)
+#define _PT_PTHREAD_INVALIDATE_THR_HANDLE(t) \
+ memset(&(t), 0, sizeof(pthread_t))
+#define _PT_PTHREAD_THR_HANDLE_IS_INVALID(t) \
+ (!memcmp(&(t), &pt_zero_tid, sizeof(pthread_t)))
+#define _PT_PTHREAD_COPY_THR_HANDLE(st, dt) (dt) = (st)
+#elif defined(IRIX) || defined(OSF1) || defined(AIX) || defined(SOLARIS) \
|| defined(LINUX) || defined(__GNU__) || defined(__GLIBC__) \
|| defined(HPUX) || defined(FREEBSD) \
|| defined(NETBSD) || defined(OPENBSD) || defined(BSDI) \
@@ -97,7 +125,17 @@
#error "pthreads is not supported for this architecture"
#endif
-#if defined(_PR_PTHREADS)
+#if defined(_PR_DCETHREADS)
+#define _PT_PTHREAD_ATTR_INIT pthread_attr_create
+#define _PT_PTHREAD_ATTR_DESTROY pthread_attr_delete
+#define _PT_PTHREAD_CREATE(t, a, f, r) pthread_create(t, a, f, r)
+#define _PT_PTHREAD_KEY_CREATE pthread_keycreate
+#define _PT_PTHREAD_ATTR_SETSCHEDPOLICY pthread_attr_setsched
+#define _PT_PTHREAD_ATTR_GETSTACKSIZE(a, s) \
+ (*(s) = pthread_attr_getstacksize(*(a)), 0)
+#define _PT_PTHREAD_GETSPECIFIC(k, r) \
+ pthread_getspecific((k), (pthread_addr_t *) &(r))
+#elif defined(_PR_PTHREADS)
#define _PT_PTHREAD_ATTR_INIT pthread_attr_init
#define _PT_PTHREAD_ATTR_DESTROY pthread_attr_destroy
#define _PT_PTHREAD_CREATE(t, a, f, r) pthread_create(t, &a, f, r)
@@ -109,6 +147,22 @@
#error "Cannot determine pthread strategy"
#endif
+#if defined(_PR_DCETHREADS)
+#define _PT_PTHREAD_EXPLICIT_SCHED _PT_PTHREAD_DEFAULT_SCHED
+#endif
+
+/*
+ * pthread_mutex_trylock returns different values in DCE threads and
+ * pthreads.
+ */
+#if defined(_PR_DCETHREADS)
+#define PT_TRYLOCK_SUCCESS 1
+#define PT_TRYLOCK_BUSY 0
+#else
+#define PT_TRYLOCK_SUCCESS 0
+#define PT_TRYLOCK_BUSY EBUSY
+#endif
+
/*
* These platforms don't have sigtimedwait()
*/
@@ -136,9 +190,16 @@
#define PT_PRIO_MIN DEFAULT_PRIO
#define PT_PRIO_MAX DEFAULT_PRIO
#elif defined(HPUX)
+
+#if defined(_PR_DCETHREADS)
+#define PT_PRIO_MIN PRI_OTHER_MIN
+#define PT_PRIO_MAX PRI_OTHER_MAX
+#else /* defined(_PR_DCETHREADS) */
#include <sys/sched.h>
#define PT_PRIO_MIN sched_get_priority_min(SCHED_OTHER)
#define PT_PRIO_MAX sched_get_priority_max(SCHED_OTHER)
+#endif /* defined(_PR_DCETHREADS) */
+
#elif defined(LINUX) || defined(__GNU__) || defined(__GLIBC__) \
|| defined(FREEBSD) || defined(SYMBIAN)
#define PT_PRIO_MIN sched_get_priority_min(SCHED_OTHER)
@@ -177,7 +238,9 @@
* Needed for garbage collection -- Look at PR_Suspend/PR_Resume
* implementation.
*/
-#if defined(OSF1)
+#if defined(_PR_DCETHREADS)
+#define _PT_PTHREAD_YIELD() pthread_yield()
+#elif defined(OSF1)
/*
* sched_yield can't be called from a signal handler. Must use
* the _np version.